ADUM5201W_技术文档

Dual-Channel, 2.5 kV Isolators with

Integrated DC-to-DC Converter

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

Qualified for automotive applications

isoPower integrated, isolated dc-to-dc converter

Regulated 3.3 V or 5 V output

OSC

RECT

REG

1

2

3

4

5

6

7

8

16

15

14

13

V

DD1

ISO

GND

1

ISO

Up to 400 mW output power

V

/V

IA OA

V

/V

IA OA

2-CHANNEL iCOUPLER CORE

Dual, dc-to-25 Mbps (NRZ) signal isolation channels

16-lead SOIC package with 7.6 mm creepage

High temperature operation: 105°C maximum

High common-mode transient immunity: >25 kV/µs

Safety and regulatory approvals

/V

IB OB

V

/V

IB OB

RC

12 NC

IN

RC

11

10

9

V

SEL

ADuM5200W/

ADuM5201W/

ADuM5202W

V

/NC

E1

GND

E2

UL recognition

GND

ISO

1

2500 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice #5A)

VDE certificate of conformity

Figure 1.

IEC 60747-5-2 (VDE 0884, Part 2):2003-01

V

IA

OA

V

_IORM= 560 V_PEAK

3

4

14

13

ADuM5200W

APPLICATIONS

IB

OB

Industrial field bus isolation

Power supply start-up bias and gate drives

Isolated sensor interfaces

Figure 2. ADuM5200W

Automotive systems

V

IA

OA

3

4

14

13

GENERAL DESCRIPTION

ADuM5201W

V

OB

IB

The ADuM5200W/ADuM5201W/ADuM5202W¹are dual-

channel digital isolators with isoPower®, an integrated, isolated dc-

to-dc converter. Based on the Analog Devices, Inc., iCoupler®

technology, the dc-to-dc converter provides up to 500 mW of

regulated, isolated power at either 5.0 V or 3.3 V from a 5.0 V input

supply, or 3.3 V from a 3.3 V supply at the power levels shown in

Table 1. These devices eliminate the need for a separate, isolated

dc-to-dc converter in low power isolated designs. The iCoupler

chip-scale transformer technology is used to isolate the logic

signals and for the magnetic components of the dc-to-dc

converter. The result is a small form factor, total isolation

solution.

Figure 3. ADuM5201W

V

OA

IA

3

4

14

13

ADuM5202W

V

OB

IB

Figure 4. ADuM5202W

Table 1. Power Levels

Input Voltage (V)

Output Voltage (V)

Output Power (mW)

The ADuM5200W/ADuM5201W/ADuM5202W isolators

provide two independent isolation channels in a variety of channel

configurations and data rates (see the Ordering Guide for more

information).

5.0

3.3

5.0

3.3

400

330

122

isoPower uses high frequency switching elements to transfer power

through its transformer. Special care must be taken during printed

circuit board (PCB) layout to meet emissions standards. See the

AN-0971 Application Note for board layout recommendations.

1

Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.

Rev. 0

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

TABLE OF CONTENTS

Features .............................................................................................. 1

Truth Table .................................................................................. 14

Typical Performance Characteristics ........................................... 15

Terminology.................................................................................... 18

Applications Information .............................................................. 19

PCB Layout ................................................................................. 19

Start-Up Behavior....................................................................... 20

EMI Considerations................................................................... 20

Propagation Delay Parameters ................................................. 20

DC Correctness and Magnetic Field Immunity........................... 20

Power Consumption .................................................................. 21

Current Limit and Thermal Overload Protection ................. 22

Power Considerations................................................................ 22

Thermal Analysis ....................................................................... 23

Increasing Available Power ....................................................... 23

Insulation Lifetime..................................................................... 24

Outline Dimensions....................................................................... 25

Ordering Guide .......................................................................... 25

Automotive Products................................................................. 25

Applications....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagrams............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Electrical Characteristics—5 V Primary Input Supply/5 V

Secondary Isolated Supply........................................................... 3

Electrical Characteristics—3.3 V Primary Input Supply/3.3 V

Secondary Isolated Supply........................................................... 5

Electrical Characteristics—5 V Primary Input Supply/3.3 V

Secondary Isolated Supply........................................................... 7

Package Characteristics ............................................................... 9

Regulatory Information............................................................... 9

Insulation and Safety-Related Specifications............................ 9

IEC 60747-5-2 (VDE 0884, Part 2):2003-01 Insulation

Characteristics ............................................................................ 10

Recommended Operating Conditions .................................... 10

Absolute Maximum Ratings.......................................................... 11

ESD Caution................................................................................ 11

Pin Configurations and Function Descriptions ......................... 12

REVISION HISTORY

10/12—Revision 0: Initial Version

Rev. 0 | Page 2 of 28

Automotive Products

SPECIFICATIONS

ADuM5200W/ADuM5201W/ADuM5202W

ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY

All typical specifications are at T_A= 25°C, V_DD1= V_SEL= V_ISO= 5 V. Minimum/maximum specifications apply over the entire recommended

operation range which is 4.5 V ≤ V_DD1, V_SEL, V_ISO≤ 5.5 V; and −40°C ≤ T_A≤ +105°C, unless otherwise noted. Switching specifications are

tested with C_L= 15 pF and CMOS signal levels, unless otherwise noted.

Table 2. DC-to-DC Converter Static Specifications

Parameter

Symbol

Min Typ Max

Unit

Test Conditions/Comments

DC-TO-DC CONVERTER SUPPLY

Setpoint

Line Regulation

Load Regulation

Output Ripple

Output Noise

Switching Frequency

PW Modulation Frequency

Output Supply

Efficiency at I_{ISO (MAX)}

I_DD1, No V_ISOLoad

I_DD1, Full V_ISOLoad

V_ISO

4.7

5.0

1

5.4

5

V

I_ISO= 0 mA

I_ISO= 40 mA, V_DD1= 4.5 V to 5.5 V

I_ISO= 8 mA to 72 mA

20 MHz bandwidth, C_BO= 0.1 µF||10 µF, I_ISO= 72 mA

C_BO= 0.1 µF||10 µF, I_ISO= 72 mA

V_{ISO (LINE)}

V_{ISO (LOAD)}

V_{ISO (RIP)}

V_{ISO (NOISE)}

f_OSC

mV/V

%

75

mV p-p

MHz

kHz

mA

%

mA

200

180

625

f_PWM

I_{ISO (MAX)}

80

V_ISO> 4.5 V

I_ISO= 80 mA

34

10

290

I_{DD1 (Q)}

I_{DD1 (MAX)}

25

Table 3. DC-to-DC Converter Dynamic Specifications

25 Mbps—C Grade

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

SUPPLY CURRENT

Input

ADuM5200W

ADuM5201W

ADuM5202W

Available to Load

ADuM5200W

ADuM5201W

ADuM5202W

I_DD1

34

38

41

mA

No V_ISOload

I_{ISO (LOAD)}

74

72

70

mA

Table 4. Switching Specifications

C Grade

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

SWITCHING SPECIFICATIONS

Data Rate

Propagation Delay

Pulse Width Distortion

Change vs. Temperature

Pulse Width

25

60

6

Mbps

ns

ps/°C

ns

Within PWD limit

50% input to 50% output

|t_PLH− t_PHL|

t_PHL, t_PLH

PWD

45

5

PW

t_PSK

40

Within PWD limit

Between any two units

Propagation Delay Skew

Channel Matching

Codirectional¹

15

t_PSKCD

t_PSKOD

6

15

ns

Opposing Directional²

1

7

Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the

isolation barrier.

²Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing

sides of the isolation barrier.

Rev. 0 | Page 3 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

Table 5. Input and Output Characteristics

Parameter

Symbol Min

Typ

Max

Unit

Test Conditions/Comments

DC SPECIFICATIONS

Logic High Input Threshold

Logic Low Input Threshold

Logic High Output Voltages

V_IH

V_IL

V_OH

0.7 V_ISOor 0.7V_DD1

V

0.3 V_ISOor 0.3 V_DD1

V_DD1− 0.3 or V_ISO− 0.3

V_DD1− 0.5 or V_ISO− 0.5

5.0

4.8

0.0

0.2

I_Ox= −20 µA, V_Ix= V_IxH

I_Ox= −4 mA, V_Ix= V_IxH

I_Ox= 20 µA, V_Ix= V_IxL

I_Ox= 4 mA, V_Ix= V_IxL

V_DD1, V_DDL, V_ISOsupplies

Logic Low Output Voltages

V_OL

0.1

0.4

Undervoltage Lockout

Positive Going Threshold

Negative Going Threshold

Hysteresis

Input Currents per Channel

AC SPECIFICATIONS

Output Rise/Fall Time

Common-Mode Transient

Immunity¹

V_UV+

V_UV−

V_UVH

I_I

2.7

2.4

0.3

V

µA

−20

25

+0.01 +20

0V ≤ V_Ix≤ V_DDx

10% to 90%

t_R/t_F

|CM|

2.5

35

ns

kV/µs V_Ix= V_DD1or V_ISO, V_CM= 1000 V,

transient magnitude = 800 V

Refresh Rate

f_r

1.0

Mbps

¹|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V_O> 0.7 × V_DD1or 0.7 × V_ISOfor a high output or V_O< 0.3 × V_DD1or 0.3 ×

_ISOfor a low output. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges.

V

Rev. 0 | Page 4 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY

All typical specifications are at T_A= 25°C, V_DD1= V_ISO= 3.3 V, V_SEL= GND_ISO. Minimum/maximum specifications apply over the entire

recommended operation range which is 3.0 V ≤ V_DD1, V_SEL, V_ISO≤ 3.6 V; and −40°C ≤ T_A≤ +105°C, unless otherwise noted. Switching

specifications are tested with C_L= 15 pF and CMOS signal levels, unless otherwise noted.

Table 6. DC-to-DC Converter Static Specifications

Parameter

Symbol

Min Typ Max

Unit

Test Conditions/Comments

DC-TO-DC CONVERTER SUPPLY

Setpoint

Line Regulation

Load Regulation

Output Ripple

Output Noise

Switching Frequency

PW Modulation Frequency

Output Supply

V_ISO

3.0

3.3

1

3.6

5

V

I_ISO= 0 mA

I_ISO= 18 mA, V_DD1= 3.0 V to 3.6 V

I_ISO= 3 mA to 33 mA

20 MHz bandwidth, C_BO= 0.1 µF||10 µF, I_ISO= 33 mA

C_BO= 0.1 µF||10 µF, I_ISO= 33 mA

V_{ISO (LINE)}

V_{ISO (LOAD)}

V_{ISO (RIP)}

V_{ISO (NOISE)}

f_OSC

mV/V

%

50

mV p-p

MHz

kHz

mA

130

180

625

f_PWM

I_{ISO (MAX)}

37

V_ISO> 3 V

Efficiency at I_{ISO (MAX)}

I_DD1, No V_ISOLoad

I_DD1, Full V_ISOLoad

34

6

175

%

mA

I_ISO= 37 mA

I_{DD1 (Q)}

I_{DD1 (MAX)}

18

Table 7. DC-to-DC Converter Dynamic Specifications

25 Mbps—C Grade

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

SUPPLY CURRENT

Input

ADuM5200W

ADuM5201W

ADuM5202W

Available to Load

ADuM5200W

ADuM5201W

ADuM5202W

I_DD1

23

25

27

mA

No V_ISOload

I_{ISO (LOAD)}

23

22

21

mA

Table 8. Switching Specifications

C Grade

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

SWITCHING SPECIFICATIONS

Data Rate

Propagation Delay

Pulse Width Distortion

Change vs. Temperature

Pulse Width

25

70

6

Mbps

ns

ps/°C

ns

Within PWD limit

50% input to 50% output

|t_PLH− t_PHL|

t_PHL, t_PLH

PWD

45

5

PW

t_PSK

40

Within PWD limit

Between any two units

Propagation Delay Skew

Channel Matching

Codirectional¹

45

t_PSKCD

t_PSKOD

6

15

ns

Opposing Directional²

1

7

Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the

isolation barrier.

²Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing

sides of the isolation barrier.

Rev. 0 | Page 5 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

Table 9. Input and Output Characteristics

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

DC SPECIFICATIONS

Logic High Input Threshold

Logic Low Input Threshold

Logic High Output Voltages

V_IH

V_IL

V_OH

0.7 V_ISOor 0.7 V_DD1

V

0.3 V_ISOor 0.3 V_DD1

V_DD1− 0.3 or V_ISO− 0.3

V_DD1− 0.5 or V_ISO− 0.5

3.3

3.1

0.0

I_Ox= −20 µA, V_Ix= V_IxH

I_Ox= −4 mA, V_Ix= V_IxH

I_Ox= 20 µA, V_Ix= V_IxL

I_Ox= 4 mA, V_Ix= V_IxL

V_DD1, V_DDL, V_ISOsupplies

Logic Low Output Voltages

V_OL

0.1

0.4

Undervoltage Lockout

Positive Going Threshold

Negative Going Threshold

Hysteresis

Input Currents per Channel

AC SPECIFICATIONS

Output Rise/Fall Time

Common-Mode Transient

Immunity¹

V_UV+

V_UV−

V_UVH

I_I

2.7

2.4

0.3

+0.01

V

µA

−20

25

+20

0V ≤ V_Ix≤ V_DDx

10% to 90%

V_Ix=V_DD1or V_ISO, V_CM= 1000 V,

transient magnitude = 800 V

t_R/t_F

|CM|

2.5

35

ns

kV/µs

Refresh Rate

f_r

1.0

Mbps

¹|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V_O> 0.7 × V_DD1or 0.7 × V_ISOfor a high output or V_O< 0.3 × V_DD1or 0.3 ×

_ISOfor a low output. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges.

V

Rev. 0 | Page 6 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY

All typical specifications are at T_A= 25°C, V_DD1= 5.0 V, V_ISO= 3.3 V, V_SEL= GND_ISO. Minimum/maximum specifications apply over the

entire recommended operation range which is 4.5 V ≤ V_DD1≤ 5.5 V, 3.0 V ≤ V_ISO≤ 3.6 V; and −40°C ≤ T_A≤ +105°C, unless otherwise

noted. Switching specifications are tested with C_L= 15 pF and CMOS signal levels, unless otherwise noted.

Table 10. DC-to-DC Converter Static Specifications

Parameter

Symbol

Min Typ Max

Unit

Test Conditions/Comments

DC-TO-DC CONVERTER SUPPLY

Setpoint

Line Regulation

Load Regulation

Output Ripple

Output Noise

Switching Frequency

PW Modulation Frequency

Output Supply

V_ISO

3.0

3.3

1

3.6

5

V

I_ISO= 0 mA

I_ISO= 50 mA, V_DD1= 3.0 V to 3.6 V

I_ISO= 10 mA to 90 mA

20 MHz bandwidth, C_BO= 0.1 µF||10 µF, I_ISO= 90 mA

C_BO= 0.1 µF||10 µF, I_ISO= 90 mA

V_{ISO (LINE)}

V_{ISO (LOAD)}

V_{ISO (RIP)}

V_{ISO (NOISE)}

f_OSC

mV/V

%

50

mV p-p

MHz

kHz

mA

130

180

625

f_PWM

I_{ISO (MAX)}

100

V_ISO> 3 V

Efficiency at I_{ISO (MAX)}

I_DD1, No V_ISOLoad

I_DD1, Full V_ISOLoad

30

5

230

%

mA

I_ISO= 90 mA

I_{DD1 (Q)}

I_{DD1 (MAX)}

15

Table 11. DC-to-DC Converter Dynamic Specifications

25 Mbps—C Grade

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

SUPPLY CURRENT

Input

ADuM5200W

ADuM5201W

ADuM5202W

Available to Load

ADuM5200W

ADuM5201W

ADuM5202W

I_DD1

22

23

24

mA

No V_ISOload

I_{ISO (LOAD)}

96

95

94

mA

Table 12. Switching Specifications

C Grade

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

SWITCHING SPECIFICATIONS

Data Rate

Propagation Delay

Pulse Width Distortion

Change vs. Temperature

Pulse Width

25

70

6

Mbps

ns

ps/°C

ns

Within PWD limit

50% input to 50% output

|t_PLH− t_PHL|

t_PHL, t_PLH

PWD

45

5

PW

t_PSK

40

Within PWD limit

Between any two units

Propagation Delay Skew

Channel Matching

Codirectional¹

15

t_PSKCD

t_PSKOD

6

15

ns

Opposing Directional²

1

7

Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation

barrier.

²Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the

isolation barrier.

Rev. 0 | Page 7 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

Table 13. Input and Output Characteristics

Parameter

Symbol Min

Typ

Max

Unit

Test Conditions/Comments

DC SPECIFICATIONS

Logic High Input Threshold

Logic Low Input Threshold

Logic High Output Voltages

V_IH

VIL

V_OH

0.7 V_ISOor 0.7 V_DD1

V

0.3 V_ISOor 0.3 V_DD1

V_DD1− 0.2, V_ISO− 0.2

V_DD1− 0.5 or

V_DD1or V_ISO

V_DD1− 0.2 or

I_Ox= −20 µA, V_Ix= V_IxH

I_Ox= −4 mA, V_Ix= V_IxH

V_ISO− 0.5

V_ISO− 0.2

Logic Low Output Voltages

V_OL

0.0

0.1

0.4

V

I_Ox= 20 µA, V_Ix= V_IxL

I_Ox= 4 mA, V_Ix= V_IxL

V_DD1, V_DDL, V_ISOsupplies

Undervoltage Lockout

Positive Going Threshold

V_UV+

2.7

V

Negative Going Threshold V_UV−

2.4

V

Hysteresis

V_UVH

I_I

0.3

+0.01

V

µA

Input Currents per Channel

AC SPECIFICATIONS

Output Rise/Fall Time

Common-Mode Transient

Immunity¹

−20

25

+20

0V ≤ V_Ix≤ V_DDx

10% to 90%

t_R/t_F

|CM|

2.5

35

ns

kV/µs V_Ix=V_DD1or V_ISO, V_CM= 1000 V,

transient magnitude = 800 V

Refresh Rate

f_r

1.0

Mbps

¹|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V_O> 0.7 × V_DD1or 0.7 × V_ISOfor a high output or V_O< 0.3 × V_DD1or 0.3 ×

_ISOfor a low output. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges.

V

Rev. 0 | Page 8 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

PACKAGE CHARACTERISTICS

Table 14. Thermal and Isolation Characteristics

Parameter

Symbol Min Typ Max Unit Test Conditions/Comments

RESISTANCE AND CAPACITANCE

Resistance (Input-to-Output)¹

Capacitance (Input-to-Output)¹

Input Capacitance²

R_I-O

C_I-O

C_I

10²

2.2

4.0

45

Ω

pF

f = 1 MHz

IC Junction to Ambient Thermal Resistance θ_JA

°C/W Thermocouple located at the center of the package

underside; test conducted on a 4-layer board with

thin traces ³

THERMAL SHUTDOWN

Threshold

Hysteresis

TS_SD

TS_SD-HYS

150

20

°C

T_Jrising

¹This device is considered a 2-terminal device; Pin 1 through Pin 8 are shorted together, and Pin 9 through Pin 16 are shorted together.

²Input capacitance is from any input data pin to ground.

³Refer to the Power Considerations section for thermal model definitions.

REGULATORY INFORMATION

The ADuM5200W/ADuM5201W/ADuM5202W are approved by the organizations listed in Table 15. Refer to Table 20 and the Insulation

Lifetime section for more information about the recommended maximum working voltages for specific cross-insulation waveforms and

insulation levels.

Table 15.

UL¹

CSA

VDE²

Recognized under 1577 component

recognition program¹.

Approved under CSA Component

Acceptance Notice #5A.

Certified according to IEC 60747-5-2

(VDE 0884, Part 2):2003-01².

Single protection, 2500 V rms

isolation voltage.

Testing was conducted per CSA 60950-1-07

Basic insulation, 560 V_PEAK.

and IEC 60950-1 2^ndEd. at 2.5 kV rated voltage.

Basic insulation at 600 V rms (848 V_PEAK

)

working voltage.

Reinforced insulation at 250 V rms (353 V_PEAK

)

working voltage.

File E214100.

File 205078.

File 2471900-4880-0001.

¹In accordance with UL 1577, each ADuM5200W/ADuM5201W/ADuM5202W is proof tested by applying an insulation test voltage ≥ 3000 V rms for 1 second

(current leakage detection limit = 10 µA).

²In accordance with to IEC 60747-5-2 (VDE 0884 Part 2):2003-01, each ADuM520x is proof tested by applying an insulation test voltage ≥1590 V_PEAKfor 1

second (partial discharge detection limit = 5 pC). The * marking branded on the component designates IEC 60747-5-2 (VDE 0884, Part 2):2003-01 approval.

INSULATION AND SAFETY-RELATED SPECIFICATIONS

Table 16. Critical Safety-Related Dimensions and Material Properties

Parameter

Symbol Value

Unit Test Conditions/Comments

Rated Dielectric Insulation Voltage

Minimum External Air Gap

2500

8.0

V rms 1-minute duration

L(I01)

L(I02)

mm

Distance measured from input terminals to output

terminals; shortest distance through air along the

PCB mounting plane, as an aid to PC board layout

Minimum External Tracking (Creepage)

7.6

mm

Measured from input terminals to output terminals,

shortest distance path along body

Minimum Internal Distance (Internal Clearance)

Tracking Resistance (Comparative Tracking Index)

Isolation Group

0.017 min mm

Distance through insulation

DIN IEC 112/VDE 0303, Part 1

Material group (DIN VDE 0110, 1/89, Table 1)

CTI

>175

IIIa

V

Rev. 0 | Page 9 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

IEC 60747-5-2 (VDE 0884, PART 2):2003-01 INSULATION CHARACTERISTICS

These isolators are suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by

the protective circuits. The asterisk (*) marking branded on the components designates IEC 60747-5-2 (VDE 0884, Part 2):2003-1 approval.

Table 17. VDE Characteristics

Description

Test Conditions/Comments

Symbol Characteristic Unit

Installation Classification per DIN VDE 0110

For Rated Mains Voltage ≤ 150 V rms

For Rated Mains Voltage ≤ 300 V rms

For Rated Mains Voltage ≤ 400 V rms

Climatic Classification

Pollution Degree per DIN VDE 0110, Table 1

Maximum Working Insulation Voltage

Input-to-Output Test Voltage, Method B1

I to IV

I to III

I to II

40/105/21

2

V_IORM

V_pd(m)

560

1050

V peak

V_IORM× 1.875 = V_pd(m), 100% production test,

t

_ini= t_m= 1 sec, partial discharge < 5 pC

Input-to-Output Test Voltage, Method A

After Environmental Tests Subgroup 1

After Input and/or Safety Test Subgroup 2

and Subgroup 3

V_IORM× 1.5 = V_pd(m), t_ini= 60 sec, t_m= 10 sec,

partial discharge < 5 pC

V_pd(m)

896

672

V peak

V_IORM× 1.2 = V_pd(m), t_ini= 60 sec, t_m= 10 sec,

partial discharge < 5 pC

V_pd(m)

Highest Allowable Overvoltage

Surge Isolation Voltage

V_IOTM

V_IOSM

4000

V peak

V_PEAK= 10 kV, 1.2 µs rise time, 50 µs, 50% fall time

Safety-Limiting Values

Maximum value allowed in the event of a failure

(see Figure 5)

Maximum Junction Temperature

Total Power Dissipation at 25°C

Insulation Resistance at T_S

T_S

P_S

R_S

150

2.78

>10⁹

°C

W

Ω

V_IO= 500 V

3.0

2.5

2.0

1.5

1.0

0.5

0

50

100

150

200

AMBIENT TEMPERATURE (°C)

Figure 5. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN EN 60747-5-2

RECOMMENDED OPERATING CONDITIONS

Table 18.

Parameter

Symbol

Min

Max

Unit

Operating Temperature¹

Supply Voltages²

V_DD1at V_SEL= 0 V

V_DD1at V_SEL= V_ISO

T_A

−40

+105

°C

V_DD1

3.0

4.5

5.5

V

¹Operation at 105°C requires reduction of the maximum load current as specified in Table 19.

²Each voltage is relative to its respective ground.

Rev. 0 | Page 10 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

ABSOLUTE MAXIMUM RATINGS

T_A= 25°C, unless otherwise noted.

Table 19.

Parameter

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

Rating

Storage Temperature Range (T_ST)

Ambient Operating Temperature

Range (T_A)

Supply Voltages (V_DD1, V_ISO

Input Voltage (V_IA, V_IB, RC_IN, RC_SEL, V_SEL)^{1, 2}−0.5 V to V_DDI+ 0.5 V

Output Voltage (V_OA, V_OB)^{1, 2}

Average Output Current per Pin³

Common-Mode Transients⁴

−55°C to +150°C

−40°C to +105°C

1

)

−0.5 V to +7.0 V

−0.5 V to V_DDO+ 0.5 V

−10 mA to +10 mA

−100 kV/µs to +100 kV/µs

ESD CAUTION

¹Each voltage is relative to its respective ground.

²V_DDIand V_DDOrefer to the supply voltages on the input and output sides

of a given channel, respectively. See the PCB Layout section.

³See Figure 5 for maximum rated current values for various

temperatures.

⁴Common-mode transients exceeding the absolute maximum slew rate

may cause latch-up or permanent damage.

Table 20. Maximum Continuous Working Voltage Supporting 50-Year Minimum Lifetime¹

Parameter

Max

Unit

Applicable Certification

AC Voltage, Bipolar Waveform

AC Voltage, Unipolar Waveform

Basic Insulation

Reinforced Insulation

DC Voltage

424

V_PEAK

All certifications, 50-year operation

600

353

V_PEAK

Working voltage, 50-year operation

Working voltage per IEC 60950-1

Basic Insulation

Reinforced Insulation

600

353

V_PEAK

Working voltage, 50-year operation

Working voltage per IEC 60950-1

¹Refers to the continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more information.

Rev. 0 | Page 11 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

V

1

2

3

4

5

6

7

8

16

V

ISO

DD1

GND

15 GND

1

IA

IB

IN

ISO

V

14

13

V

OA

ADuM5200W

OB

TOP VIEW

(Not to Scale)

RC

12 NC

RC

11

10

9

V

SEL

NC

SEL

E2

GND

ISO

1

NC = NO CONNECT

Figure 6. ADuM5200W Pin Configuration

Table 21. ADuM5200W Pin Function Descriptions

Pin No. Mnemonic Description

Primary Supply Voltage 3.0 V to 5.5 V.

1

V_DD1

2, 8

GND₁

Ground 1. Ground reference for the isolator primary side. Pin 2 and Pin 8 are internally connected to each other, and it is

recommended that both pins be connected to a common ground.

3

4

5

V_IA

V_IB

RC_IN

Logic Input A.

Logic Input B.

Regulation Control Input. This pin must be connected to the RC_OUTpin of a master isoPower device or tied low. Note

that this pin must not be tied high if RC_SELis low; this combination causes excessive voltage on the secondary side,

damaging the ADuM5200W and possibly the devices that it powers.

6

RC_SEL

Control Input. Determines self-regulation (RC_SELhigh) mode or slave mode (RC_SELlow) allowing external regulation.

This pin is weakly pulled to the high state. In noisy environments, tie it either high or low.

7, 12

9, 15

NC

GND_ISO

No Internal Connection.

Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected to each other, and it is recommended that

both pins be connected to a common ground.

10

11

V_E2

Data Enable Input. When high or no connect, the secondary outputs are active; when low, the outputs are in a

high-Z state.

Output Voltage Selection. When V_SEL= V_ISO, the V_ISOsetpoint is 5.0 V. When V_SEL= GND_ISO, the V_ISOsetpoint is 3.3 V. In

slave regulation mode, this pin has no function.

V_SEL

13

14

16

V_OB

V_OA

V_ISO

Logic Output B.

Logic Output A.

Secondary Supply Voltage. Output for secondary side isolated data channels and external loads.

Rev. 0 | Page 12 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

V

1

2

3

4

5

6

7

8

16

V

ISO

DD1

GND

15 GND

1

ISO

V

14

13

V

IA

OA

ADuM5201W

V

OB

IB

TOP VIEW

(Not to Scale)

RC

12 NC

IN

RC

11

10

9

V

SEL

V

E1

E2

GND

ISO

1

NC = NO CONNECT

Figure 7. ADuM5201W Pin Configuration

Table 22. ADuM5201W Pin Function Descriptions

Pin No. Mnemonic Description

1

V_DD1

Primary Supply Voltage 3.0 V to 5.5 V.

2, 8

GND₁

Ground 1. Ground reference for isolator primary side. Pin 2 and Pin 8 are internally connected to each other, and it is

recommended that both pins be connected to a common ground.

3

4

5

V_IA

V_OB

RC_IN

Logic Input A.

Logic Output B.

Regulation Control Input. This pin must be connected to the RC_OUTpin of a master isoPower device or tied low. Note

that this pin must not be tied high if RC_SELis low; this combination causes excessive voltage on the secondary side,

damaging the ADuM5201W and possibly the devices that it powers.

6

RC_SEL

Control Input. Determines self-regulation mode (RC_SELhigh) or slave mode (RC_SELlow) allowing external regulation.

This pin is weakly pulled to the high state. In noisy environments, tie it either high or low.

7

V_E1

Data Enable Input. When high or no connect, the primary output is active; when low, the outputs are in a high-Z state.

9, 15

GND_ISO

Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected to each other, and it is recommended that

both pins be connected to a common ground.

10

11

V_E2

Data Enable Input. When high or no connect, the secondary output is active; when low, the output is in a

high-Z state.

Output Voltage Selection. When V_SEL= V_ISO, the V_ISOsetpoint is 5.0 V. When V_SEL= GND_ISO, the V_ISOsetpoint is 3.3 V. In

slave regulation mode, this pin has no function.

V_SEL

12

13

14

16

NC

V_IB

V_OA

V_ISO

No Internal Connection.

Logic Input B.

Logic Output A.

Secondary Supply Voltage. Output for secondary side isolated data channels and external loads.

Rev. 0 | Page 13 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

V

1

2

3

4

5

6

7

8

16

V

ISO

DD1

GND

15 GND

1

OA

OB

ISO

V

14

13

V

IA

ADuM5202W

IB

TOP VIEW

(Not to Scale)

RC

12 NC

11

10 NC

GND

IN

RC

V

SEL

V

E1

GND

9

1

ISO

NC = NO CONNECT

Figure 8. ADuM5202W Pin Configuration

Table 23. ADuM5202W Pin Function Descriptions

Pin No. Mnemonic Description

1

V_DD1

Primary Supply Voltage 3.0 V to 5.5 V.

2, 8

GND₁

Ground 1. Ground reference for the isolator primary. Pin 2 and Pin 8 are internally connected to each other, and it is

recommended that both pins be connected to a common ground.

3

4

5

V_OA

V_OB

RC_IN

Logic Output A.

Logic Output B.

Regulation Control Input. This pin must be connected to the RC_OUTpin of a master isoPower device or tied low. Note

that this pin must not be tied high if RC_SELis low; this combination causes excessive voltage on the secondary side,

damaging the ADuM5202W and possibly the devices that it powers.

6

RC_SEL

Control Input. Determines self-regulation (RC_SELhigh) mode or slave mode (RC_SELlow) allowing external regulation.

This pin is weakly pulled to the high state. In noisy environments, tie it either high or low.

7

V_E1

Data Enable Input. When high or no connect, the primary output is active; when low, the output is in a high-Z state.

9, 15

GND_ISO

Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected to each other, and it is recommended that

both pins be connected to a common ground.

10, 12 NC

No Internal Connection.

11

13

14

16

V_SEL

V_IB

V_IA

Output Voltage Selection. When V_SEL= V_ISO, the V_ISOsetpoint is 5.0 V. When V_SEL= GND_ISO, the V_ISOsetpoint is 3.3 V.

Logic Input B.

Logic Input A.

V_ISO

Secondary Supply Voltage. Output for secondary side isolated data channels and external loads.

TRUTH TABLE

Table 24. Power Section Truth Table (Positive Logic)¹

RC_SELRC_INV_SELV_DD1

Input Input

Input Input (V)²

V_ISO(V) Operation

H

L

X

H

L

H

L

H

X

5.0

3.3

X

5.0

3.3

5.0

X

Self regulation mode, normal operation.

This supply configuration is not recommended due to extremely poor efficiency.

Part runs at maximum open-loop voltage; therefore, damage can occur.

Power supply is disabled.

L

X

0

L

RC_OUT(EXT)

X

Slave mode, RC_OUT(EXT)supplied by a master isoPower device.

¹In this table, H refers to a high logic, L refers to a low logic, and X is don’t care, or unknown.

²V_DD1must be common between all isoPower devices being regulated by a master isoPower part.

Rev. 0 | Page 14 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

TYPICAL PERFORMANCE CHARACTERISTICS

0.40

3.5

0.35

0.30

0.25

0.20

0.15

0.10

3.0

POWER

DISSIPATION

2.5

2.0

1.5

1.0

I

DD

3.3V INPUT/3.3V OUTPUT

0.5

0.05

5V INPUT/3.3V OUTPUT

5V INPUT/5V OUTPUT

0

3.0

0

0.02

0.04

0.06

0.08 0.10

OUTPUT CURRENT (A)

0.12

3.5

4.0

V

4.5

5.0

5.5

6.0

(V)

DD1

Figure 12. Typical Short-Circuit Input Current and Power vs. V_DD1Supply Voltage

Figure 9. Typical Power Supply Efficiency at 5 V/5 V, 5 V/3.3 V, and 3.3 V/3.3 V

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

90% LOAD

V

= 5V, V

= 3.3V, V

= 5V

= 3V

ISO

DD1

10% LOAD

(100µs/DIV)

0.1

0

ISO

= 3.3V

ISO

0

0.02

0.04

0.06

(A)

0.08

0.10 0.12

I

ISO

Figure 13. Typical V_ISOTransient Load Response, 5 V Output,

10% to 90% Load Step

Figure 10. Typical Total Power Dissipation vs. Isolated Output Supply

Current in All Supported Power Configurations

0.12

0.10

0.08

0.06

0.04

90% LOAD

0.02

10% LOAD

3.3V INPUT/3.3V OUTPUT

5V INPUT/3.3V OUTPUT

5V INPUT/5V OUTPUT

0.20 0.25 0.30

INPUT CURRENT (A)

0

(100µs/DIV)

0

0.05

0.10

0.15

0.35

Figure 14. Typical Transient Load Response, 3 V Output,

10% to 90% Load Step

Figure 11. Typical Isolated Output Supply Current vs. Input Current

in All Supported Power Configurations

Rev. 0 | Page 15 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

5

25

BW = 20MHz

20

15

10

5

4

3

2

1

0

10% LOAD

90% LOAD

0

–5

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

–1.0

–0.5

0

0.5

1.0

1.5

2.0

2.5

3.0

TIME (ms)

TIME (µs)

Figure 15. Typical V_ISO= 5 V Output Voltage Ripple at 90% Load

Figure 18. Typical V_ISO= 3.3 V, Output Voltage Startup Transient at 10% and

90% Load

16

20

5V INPUT/5V OUTPUT

3.3V INPUT/3.3V OUTPUT

5V INPUT/3.3V OUTPUT

16

BW = 20MHz

14

12

10

8

12

8

6

4

2

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

5

10

15

20

25

DATA RATE (Mbps)

TIME (µs)

Figure 16. Typical V_ISO= 3.3 V Output Voltage Ripple at 90% Load

Figure 19. Typical I_CHnSupply Current per Forward Data Channel

(15 pF Output Load)

7

20

10% LOAD

5V INPUT/5V OUTPUT

3.3V INPUT/3.3V OUTPUT

5V INPUT/3.3V OUTPUT

16

6

5

12

8

4

90% LOAD

3

2

1

0

4

0

5

10

15

20

25

–1

0

1

2

3

DATA RATE (Mbps)

TIME (ms)

Figure 20. Typical I_CHnSupply Current per Reverse Data Channel

(15 pF Output Load)

Figure 17. Typical V_ISO= 5 V, Output Voltage Startup Transient at 10% and

90% Load

Rev. 0 | Page 16 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

5

3.0

5V

2.5

4

5V

3.3V

2.0

3

2

1.5

1.0

0.5

0

1

0

5

10

15

20

25

0

5

10

15

20

25

DATA RATE (Mbps)

Figure 22. Typical I_{ISO (D)}Dynamic Supply Current per Output

(15 pF Output Load)

Figure 21. Typical I_{ISO (D)}Dynamic Supply Current per Input

Rev. 0 | Page 17 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

TERMINOLOGY

t

_PLHPropagation Delay

_PLHpropagation delay is measured from the 50% level of the rising

edge of the V_Ixsignal to the 50% level of the rising edge of the

_Oxsignal.

Propagation Delay Skew, t_PSK

_PSKis the magnitude of the worst-case difference in t_PHLand/or t_PLH

I_{DD1 (Q)}

I

_DD1(Q)is the minimum operating current drawn at the V_DD1pin

when there is no external load at V_ISOand the I/O pins are

operating below 2 Mbps, requiring no additional dynamic supply

current. I_DD1(Q)reflects the minimum current operating condition.

V

t

I_{DD1 (D)}

that is measured between units at the same operating temperature,

supply voltages, and output load within the recommended

operating conditions.

I

_{DD1 (D)}is the typical input supply current with all channels

simultaneously driven at a maximum data rate of 25 Mbps with

full capacitive load representing the maximum dynamic load

conditions. Resistive loads on the outputs should be treated

separately from the dynamic load.

Channel-to-Channel Matching, t_PSKCD/t_PSKOD

Channel-to-channel matching is the absolute value of the

difference in propagation delays between the two channels

when operated with identical loads.

I_{DD1 (MAX)}

I

_{DD1 (MAX)}is the input current under full dynamic and V_ISOload

conditions.

Minimum Pulse Width

The minimum pulse width is the shortest pulse width at which

the specified pulse width distortion is guaranteed.

I_{SO (LOAD)}

I_{SO (LOAD)}is the current available to the load.

Maximum Data Rate

The maximum data rate is the fastest data rate at which the

specified pulse width distortion is guaranteed.

t

_PHLPropagation Delay

t_PHLpropagation delay is measured from the 50% level of the

falling edge of the V_Ixsignal to the 50% level of the falling edge

of the V_Oxsignal.

Rev. 0 | Page 18 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

APPLICATIONS INFORMATION

The dc-to-dc converter section of the ADuM5200W/

ADuM5201W/ADuM5202W works on principles that are

common to most switching power supplies. It has a secondary

side controller architecture with isolated pulse-width modulation

(PWM) feedback. V_DD1power is supplied to an oscillating circuit

that switches current into a chip-scale air core transformer. Power

transferred to the secondary side is rectified and regulated to

either 3.3 V or 5 V. The secondary (V_ISO) side controller regulates

the output by creating a PWM control signal that is sent to the

primary (V_DD1) side by a dedicated iCoupler data channel. The

PWM modulates the oscillator circuit to control the power being

sent to the secondary side. Feedback allows for significantly

higher power and efficiency.

To suppress noise and reduce ripple, a parallel combination of at

least two capacitors is required. The recommended capacitor

values are 0.1 µF and 10 µF for V_DD1. The smaller capacitor must

have a low ESR; for example, use of a ceramic capacitor is advised.

Note that the total lead length between the ends of the low ESR

capacitor and the input power supply pin must not exceed 2 mm.

Installing the bypass capacitor with traces more than 2 mm in

length may result in data corruption. Consider bypassing between

Pin 1 and Pin 8 and between Pin 9 and Pin 16 unless both common

ground pins are connected together close to the package.

BYPASS < 2mm

V

DD1

ISO

GND

/V

GND

1

ISO

V

/V

The ADuM5200W/ADuM5201W/ADuM5202W implements

undervoltage lockout (UVLO) with hysteresis on the V_DD1power

input. This feature ensures that the converter does not enter

oscillation due to noisy input power or slow power on ramp rates.

IA OA

OA IA

/V

IB OB

/V

OB IB

RC

NC

IN

RC

V

SEL

E2

V

E1

GND

1

ISO

The ADuM5200W/ADuM5201W/ADuM5202W can accept an

external regulation control signal (RC_IN) that can be connected to

other isoPower devices. This allows a single regulator to control

multiple power modules without contention. When accepting

control from a master power module, the V_ISOpins can be

connected together adding their power. Because there is only one

feedback control path, the supplies work together seamlessly.

The ADuM5200W/ADuM5201W/ADuM5202W can only

regulate themselves or accept regulation (slave device) from

another device in this product line; they cannot provide a

regulation signal to other devices.

Figure 23. Recommended PCB Layout

In applications involving high common-mode transients, ensure

that board coupling across the isolation barrier is minimized.

Furthermore, design the board layout such that any coupling

that does occur affects all pins equally on a given component

side. Failure to ensure this can cause voltage differentials between

pins exceeding the absolute maximum ratings for the device

(specified in Table 19.) thereby leading to latch-up and/or

permanent damage.

The ADuM5200W/ADuM5201W/ADuM5202W is a power

device that dissipates approximately 1 W of power when fully

loaded and running at maximum speed. Because it is not possible

to apply a heat sink to an isolation device, the device primarily

depends on heat dissipation into the PCB through the GND

pins. If the device is used at high ambient temperatures, provide

a thermal path from the GND pins to the PCB ground plane.

The board layout in Figure 23 shows enlarged pads for Pin 2, Pin 8,

Pin 9, and Pin 15. Multiple vias should be implemented from the

pad to the ground plane to significantly reduce the temperature

inside the chip. The dimensions of the expanded pads are at the

discretion of the designer and depend on the available board space.

PCB LAYOUT

The ADuM5200W/ADuM5201W/ADuM5202W digital isolators

with 0.5 W isoPower, integrated dc-to-dc converter require no

external interface circuitry for the logic interfaces. Power supply

bypassing is required at the input and output supply pins (see

Figure 23). Note that low ESR bypass capacitors are required

between Pin 1 and Pin 2 and between Pin 15 and Pin 16, as close

to the chip pads as possible.

The power supply section of the ADuM5200W/ADuM5201W/

ADuM5202W uses a 180 MHz oscillator frequency to pass power

efficiently through its chip-scale transformers. In addition, the

normal operation of the data section of the iCoupler introduces

switching transients on the power supply pins. Bypass capacitors

are required for several operating frequencies. Noise suppression

requires a low inductance, high frequency capacitor, whereas ripple

suppression and proper regulation require a large value capacitor.

These capacitors are most conveniently connected between Pin 1

and Pin 2 for V_DD1and between Pin 15 and Pin 16 for V_ISO.

Rev. 0 | Page 19 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

START-UP BEHAVIOR

PROPAGATION DELAY PARAMETERS

The ADuM5200W/ADuM5201W/ADuM5202W do not contain

a soft start circuit. Take the startup current and voltage behavior

into account when designing with this device.

Propagation delay is a parameter that describes the time it takes

a logic signal to propagate through a component. The propagation

delay to a logic low output may differ from the propagation delay

to a logic high.

When power is applied to V_DD1,the input switching circuit begins

to operate and draw current when the UVLO minimum voltage

is reached. The switching circuit drives the maximum available

power to the output until it reaches the regulation voltage where

PWM control begins. The amount of current and time this

takes depends on the load and the V_DD1slew rate.

INPUT (V

)

50%

IX

t_PLH

t_PHL

OUTPUT (V

)

50%

OX

Figure 24. Propagation Delay Parameters

Fast slew-rates, in the 200 µs or smaller range, allow peak current

draws up to 100 mA/V of V_DD1. The input voltage goes high

faster than the output can turn on so the peak current is

proportional to the maximum input voltage.

Pulse width distortion is the maximum difference between

these two propagation delay values and is an indication of how

accurately timing of the input signal is preserved.

Channel-to-channel matching refers to the maximum amount

the propagation delay differs between channels within a single

ADuM5200W/ADuM5201W/ADuM5202W component.

With a slow V_DD1slew rate (in the millisecond range), the input

voltage is not changing quickly when V_DD1reaches the UVLO

minimum voltage. The current surge is approximately 300 mA

because V_DD1is nearly constant at the 2.7 V UVLO voltage. The

behavior during startup is similar to when the device load is a

short circuit; these values are consistent with the short-circuit

current shown in Figure 12.

Propagation delay skew refers to the maximum amount the

propagation delay differs between multiple ADuM5200W/

ADuM5201W/ADuM5202W components operating under the

same conditions.

DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY

When starting the device for V_ISO= 5 V operation, do not limit

the current available to the V_DD1power pin to less than 300 mA.

The ADuM5200W/ADuM5201W/ADuM5202W devices may not

be able to drive the output to the regulation point if a current-

limiting device clamps the V_DD1voltage during startup. As a

result, the ADuM5200W/ADuM5201W/ADuM5202W devices

can draw large amounts of current at low voltage for extended

periods of time.

Positive and negative logic transitions at the isolator input cause

narrow (~1 ns) pulses to be sent to the decoder via the transformer.

The decoder is bistable and is, therefore, either set or reset by

the pulses, indicating input logic transitions. In the absence of

logic transitions at the input for more than 1 µs, a periodic set

of refresh pulses indicative of the correct input state are sent to

ensure dc correctness at the output. If the decoder receives no

internal pulses of more than about 5 µs, the input side is assumed

to be unpowered or nonfunctional, in which case the isolator

output is forced to a default state (see Table 24) by the watchdog

timer circuit.

The output voltage of the ADuM5200W/ADuM5201W/

ADuM5202W exhibits V_ISOovershoot during startup. If this

could potentially damage components attached to V_ISO, then a

voltage-limiting device, such as a Zener diode, can be used to

clamp the voltage. Typical behavior is shown in Figure 17 and

Figure 18.

The limitation on the magnetic field immunity of the

ADuM5200W/ADuM5201W/ADuM5202W is set by the

condition in which induced voltage in the receiving coil of the

transformer is sufficiently large to either falsely set or reset the

decoder. The following analysis defines the conditions under which

this may occur. The 3 V operating condition of the ADuM5200W/

ADuM5201W/ADuM5202W is examined because it represents

the most susceptible mode of operation.

EMI CONSIDERATIONS

The dc-to-dc converter section of the ADuM5200W/

ADuM5201W/ADuM5202W devices must operate at 180 MHz

to allow efficient power transfer through the small transformers.

This creates high frequency currents that can propagate in circuit

board ground and power planes, causing edge emissions and dipole

radiation between the primary and secondary ground planes.

Grounded enclosures are recommended for applications that use

these devices. If grounded enclosures are not possible, follow

good RF design practices in the layout of the PCB. See the

AN-0971 Application Note for board layout recommendations.

The pulses at the transformer output have an amplitude greater

than 1.0 V. The decoder has a sensing threshold at about 0.5 V, thus

establishing a 0.5 V margin in which induced voltages can be

tolerated. The voltage induced across the receiving coil is given by

2

V = (−dβ/dt)∑πr_n; n = 1, 2, … , N

where:

β is the magnetic flux density (gauss).

N is the number of turns in the receiving coil.

r_nis the radius of the n^thturn in the receiving coil (cm).

Rev. 0 | Page 20 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

Given the geometry of the receiving coil in the ADuM5200W/

ADuM5201W/ADuM5202W and an imposed requirement that

the induced voltage be, at most, 50% of the 0.5 V margin at the

decoder, a maximum allowable magnetic field is calculated as

shown in Figure 25.

Note that at combinations of strong magnetic field and high

frequency, any loops formed by PCB traces can induce error

voltages sufficiently large enough to trigger the thresholds of

succeeding circuitry. Exercise care in the layout of such traces

to avoid this possibility.

100

POWER CONSUMPTION

The V_DD1power supply input provides power to the iCoupler

data channels as well as to the power converter. For this reason,

the quiescent currents drawn by the data converter and the primary

and secondary input/output channels cannot be determined

separately. All of these quiescent power demands have been

combined into the I_DD1(Q)current shown in Figure 27. The total

10

1

0.1

I

_DD1supply current is the sum of the quiescent operating current,

dynamic current I_DD1(D)demanded by the I/O channels, and any

external I_ISOload.

0.01

0.001

E

I

ISO

DD1(Q)

1k

10k

100k

1M

10M

100M

CONVERTER

PRIMARY

CONVERTER

SECONDARY

MAGNETIC FIELD FREQUENCY (Hz)

I

DD1(D)

Figure 25. Maximum Allowable External Magnetic Flux Density

I

ISO(D)

DDP(D)

For example, at a magnetic field frequency of 1 MHz, the

maximum allowable magnetic field of 0.2 kgauss induces a

voltage of 0.25 V at the receiving coil. This is about 50% of the

sensing threshold and does not cause a faulty output transition.

Similarly, if such an event occurs during a transmitted pulse

(and is of the worst-case polarity), it reduces the received pulse

from >1.0 V to 0.75 V—still well above the 0.5 V sensing threshold

of the decoder.

PRIMARY

DATA I/O

2-CHANNEL

SECONDARY

DATA I/O

2-CHANNEL

Figure 27. Power Consumption Within the ADuM5200W/

ADuM5201W/ADuM5202W

Both dynamic input and output current is consumed only when

operating at channel speeds higher than the rate of f_r. Because

each channel has a dynamic current determined by its data rate,

Figure 19 shows the current for a channel in the forward direction,

which means that the input is on the primary side of the part.

Figure 20 shows the current for a channel in the reverse direction,

which means that the input is on the secondary side of the part.

Both figures assume a typical 15 pF load. The following

The preceding magnetic flux density values correspond to specific

current magnitudes at given distances from the ADuM5200W/

ADuM5201W/ADuM5202W transformers. Figure 26 expresses

these allowable current magnitudes as a function of frequency for

selected distances. As shown, the ADuM5200W/ADuM5201W/

ADuM5202W are extremely immune and can be affected only by

extremely large currents operated at high frequency very close

to the component. For the 1 MHz example noted, a 0.5 kA

current placed 5 mm away from the ADuM5200W/ADuM5201W/

ADuM5202W is required to affect the operation of the component.

1000

relationship allows the total I_DD1current to be calculated:

I

_DD1= (I_ISO× V_ISO)/(E × V_DD1) + ∑ I_CHn; n = 1 to 4

(1)

where :

I

_DD1is the total supply input current.

_CHnis the current drawn by a single channel determined from

DISTANCE = 1m

Figure 19 or Figure 20, depending on channel direction.

100

I_ISOis the current drawn by the secondary side external loads.

E is the power supply efficiency at 100 mA load from Figure 9 at

the V_ISOand V_DD1condition of interest.

10

DISTANCE = 100mm

1

DISTANCE = 5mm

0.1

0.01

1k

10k

100k

1M

10M

100M

MAGNETIC FIELD FREQUENCY (Hz)

Figure 26. Maximum Allowable Current for Various Current-to-

ADuM5200W/ADuM5201W/ADuM5202W Spacings

Rev. 0 | Page 21 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

Calculate the maximum external load by subtracting the dynamic

output load from the maximum allowable load.

again on the primary side of the converter, causing the junction

temperature to rise to 150°C again. This thermal oscillation

between 130°C and 150°C causes the part to cycle on and off

as long as the short remains at the output.

I

_{ISO (LOAD)}= I_{ISO (MAX)}− ∑ I_ISO(D)n; n = 1 to 4

where:

_{ISO (LOAD)}is the current available to supply an external secondary

side load.

_{ISO (MAX)}is the maximum external secondary side load current

available at V_ISO

_ISO(D)nis the dynamic load current drawn from V_ISOby an input

(2)

Thermal limit protections are intended to protect the device

against accidental overload conditions. For reliable operation,

externally limit device power dissipation to prevent junction

temperatures from exceeding 130°C.

I

.

I

POWER CONSIDERATIONS

or output channel, as shown in Figure 19 and Figure 20. Data is

presented assuming a typical 15 pF load

The ADuM5200W/ADuM5201W/ADuM5202W power input,

data input channels on the primary side and data input channels on

the secondary side are all protected from premature operation

by UVLO circuitry. Below the minimum operating voltage, the

power converter holds its oscillator inactive and all input channel

drivers and refresh circuits are idle. Outputs remain in a high

impedance state to prevent transmission of undefined states

during power-up and power-down operations.

The preceding analysis assumes a 15 pF capacitive load on each

data output. If the capacitive load is larger than 15 pF, the addi-

tional current must be included in the analysis of I_DD1and I_{ISO (LOAD)}

.

To determine I_DD1in Equation 1, additional primary side dynamic

output current (I_AOD) is added directly to I_DD1. Additional secondary

side dynamic output current (I_AOD) is added to I_ISOon a per

channel basis.

During application of power to V_DD1, the primary side circuitry

is held idle until the UVLO preset voltage is reached. At that

time, the data channels initialize to their default low output

state until they receive data pulses from the secondary side.

To determine I_{ISO (LOAD)}in Equation 2, additional secondary side

output current (I_AOD) is subtracted from I_{ISO (MAX)}on a per

channel basis.

When the primary side is above the UVLO threshold, the data

input channels sample their inputs and begin sending encoded

pulses to the inactive secondary output channels. The outputs

on the primary side remain in their default low state because no

data comes from the secondary side inputs until secondary power

is established. The primary side oscillator also begins to operate,

transferring power to the secondary power circuits. The secondary

For each output channel with C_Lgreater than 15 pF, the additional

capacitive supply current is given by

I

_AOD= 0.5 × 10⁻³× (C_L− 15) × V_ISO) × (2f − f_r) f > 0.5 f_r(3)

where:

C_Lis the output load capacitance (pF).

V_ISOis the output supply voltage (V).

f is the input logic signal frequency (MHz); it is half of the input

data rate expressed in units of Mbps.

f_ris the input channel refresh rate (Mbps).

V

_ISOvoltage is below its UVLO limit at this point; the regulation

control signal from the secondary is not being generated. The

primary side power oscillator is allowed to free run in this

circumstance, supplying the maximum amount of power to

the secondary, until the secondary voltage rises to its regulation

CURRENT LIMIT AND THERMAL OVERLOAD

PROTECTION

setpoint. This creates a large inrush current transient at V_DD1

When the regulation point is reached, the regulation control

.

The ADuM5200W/ADuM5201W/ADuM5202W are protected

against damage due to excessive power dissipation by thermal

overload protection circuits. Thermal overload protection limits

the junction temperature to a maximum of 150°C (typical). Under

extreme conditions (that is, high ambient temperature and power

dissipation), when the junction temperature starts to rise above

150°C, the PWM is turned off, reducing the output current to

zero. When the junction temperature drops below 130°C (typical),

the PWM turns on again, restoring the output current to its

nominal value.

circuit produces the regulation control signal that modulates

the oscillator on the primary side. The V_DD1current is reduced

and is then proportional to the load current. The inrush current

is less than the short-circuit current shown in Figure 12. The

duration of the inrush depends on the V_ISOloading conditions

and the current available at the V_DD1pin.

As the secondary side converter begins to accept power from the

primary, the V_ISOvoltage starts to rise. When the secondary side

UVLO is reached, the secondary side outputs are initialized to their

default low state until data is received from the corresponding

primary side input. It can take up to 1 µs after the secondary

side is initialized for the state of the output to correlate with the

primary side input.

Consider the case where a hard short from V_ISOto ground occurs.

At first, the ADuM5200W/ADuM5201W/ADuM5202W reach

their maximum current, which is proportional to the voltage

applied at V_DD1. Power dissipates on the primary side of the

converter (see Figure 12). If self-heating of the junction becomes

great enough to cause its temperature to rise above 150°C, thermal

shutdown activates, turning off the PWM, and reducing the

output current to zero. As the junction temperature cools and

drops below 130°C, the PWM turns on, and power dissipates

Secondary side inputs sample their state and transmit it to the

primary side. Outputs are valid about 1 µs after the secondary

side becomes active.

Rev. 0 | Page 22 of 28

Automotive Products

ADuM5200W/ADuM5201W/ADuM5202W

Because the rate of charge of the secondary side power supply is

dependent on loading conditions and the input voltage level and the

output voltage level selected, take care with the design to allow the

converter sufficient time to stabilize before valid data is required.

slave to that control signal. The RC_SELpin chooses whether the

part acts as a stand-alone self-regulated device or a slave device.

When the ADuM5200W/ADuM5201W/ADuM5202W act as a

slave, their power is regulated by a PWM signal coming from a

master device. This allows multiple isoPower parts to be combined

in parallel while sharing the load equally. When the ADuM5200W/

ADuM5201W/ADuM5202W are configured as standalone units,

they generate their own PWM feedback signal to regulate

themselves.

When power is removed from V_DD1, the primary side converter and

coupler shut down when the UVLO level is reached. The secondary

side stops receiving power and starts to discharge. The outputs on

the secondary side hold the last state that they received from the

primary side. Either the UVLO level is reached and the outputs are

placed in their high impedance state, or the outputs detect a lack of

activity from the primary side inputs and the outputs are set to

their default low value before the secondary power reaches UVLO.

The ADuM5000 can act as a master or a slave device, the

ADuM5401, ADuM5402, ADuM5403, and ADuM5404 can

only be master/ standalone, and the ADuM520x can only be

a slave/standalone device. This means that the ADuM5000,

ADuM520x, and ADuM5401 to ADuM5404 can only be used

in certain master/ slave combinations as listed in Table 25.

THERMAL ANALYSIS

The ADuM5200W/ADuM5201W/ADuM5202W consist of four

internal die, attached to a split lead frame with two die attach

paddles. For the purposes of thermal analysis, it is treated as a

thermal unit with the highest junction temperature reflected in the

θ_JAfrom Table 14. The value of θ_JAis based on measurements taken

with the part mounted on a JEDEC standard 4-layer board with

fine width traces and still air. Under normal operating conditions,

the ADuM5200W/ADuM5201W/ADuM5202W operate at full

load across the full temperature range without derating the

output current. However, following the recommendations in the

PCB Layout section decreases the thermal resistance to the PCB

allowing increased thermal margin at high ambient temperatures.

Table 25. Allowed Combinations of isoPower Parts

Slave

ADuM5401W to

Master

ADuM5000W

ADuM520xW

ADuM5404W

ADuM5000

ADuM520xW

Yes

No

Yes

No

ADuM5401W to

ADuM5404W

Yes

The allowed combinations of master and slave configured parts

listed in Table 25 is sufficient to make any combination of power

and channel count.

INCREASING AVAILABLE POWER

Table 26 illustrates how isoPower devices can provide many

combinations of data channel count and multiples of the single

unit power.

The ADuM5200W/ADuM5201W/ADuM5202W are designed

with the capability of running in combination with other

compatible isoPower devices. The RC_INand RC_SELpins allow the

ADuM5200W/ADuM5201W/ADuM5202W to receive a PWM

signal from another device through the RC_INpin and act as a

Table 26. Configurations for Power and Data Channels

Number of Data Channels

Power Units

1-Unit Power

0

2

4

6

ADuM5000 master

ADuM520xW master ADuM5401W to ADuM5404W master ADuM5401W to ADuM5404W master

ADuM120xW

2-Unit Power

3-Unit Power

ADuM5000 master

ADuM5000 slave

ADuM5000 master

ADuM5000 slave

ADuM5000 master

ADuM520xW slave

ADuM5000 master

ADuM5000 slave

ADuM5401W to ADuM5404W master ADuM5401W to ADuM5404W master

ADuM520xW slave ADuM520xW slave

ADuM5401W to ADuM5404W master ADuM5401W to ADuM5404W master

ADuM5000 slave

ADuM520xW slave

ADuM5000 slave

ADuM520xW slave

Rev. 0 | Page 23 of 28

ADuM5200W/ADuM5201W/ADuM5202W

Automotive Products

In the case of unipolar ac or dc voltage, the stress on the insula-

tion is significantly lower. This allows operation at higher working

voltages while still achieving a 50-year service life. The working

voltages listed in Table 20 can be applied while maintaining the

50-year minimum lifetime, provided the voltage conforms to

either the unipolar ac or dc voltage cases. Any cross insulation

voltage waveform that does not conform to Figure 29 or Figure 30

should be treated as a bipolar ac waveform and its peak voltage

limited to the 50-year lifetime voltage value listed in Table 20.

The voltage presented in Figure 29 is shown as sinusoidal for

illustration purposes only. It is meant to represent any voltage

waveform varying between 0 V and some limiting value. The

limiting value can be positive or negative, but the voltage cannot

cross 0 V.

INSULATION LIFETIME

All insulation structures eventually break down when subjected

to voltage stress over a sufficiently long period. The rate of

insulation degradation is dependent on the characteristics of the

voltage waveform applied across the insulation. In addition to the

testing performed by the regulatory agencies, Analog Devices

carries out an extensive set of evaluations to determine the

lifetime of the insulation structure within the ADuM5200W/

ADuM5201W/ADuM5202W.

Analog Devices performs accelerated life testing using voltage levels

higher than the rated continuous working voltage. Acceleration

factors for several operating conditions are determined. These

factors allow calculation of the time to failure at the actual working

voltage. The values shown in Table 20 summarize the peak voltage

for 50 years of service life for a bipolar ac operating condition,

and the maximum CSA/VDE approved working voltages. In many

cases, the approved working voltage is higher than a 50-year service

life voltage. Operation at these high working voltages can lead to

shortened insulation life in some cases.

RATED PEAK VOLTAGE

0V

Figure 28. Bipolar AC Waveform

RATED PEAK VOLTAGE

The insulation lifetime of the ADuM5200W/ADuM5201W/

ADuM5202W depends on the voltage waveform type imposed

across the isolation barrier. The iCoupler insulation structure

degrades at different rates depending on whether the waveform

is bipolar ac, unipolar ac, or dc. Figure 28, Figure 29, and Figure 30

illustrate these different isolation voltage waveforms.

0V

Figure 29. Unipolar AC Waveform

RATED PEAK VOLTAGE

Bipolar ac voltage is the most stringent environment. The goal

of a 50-year operating lifetime under the ac bipolar condition

determines the maximum working voltage recommended by

Analog Devices.

0V

Figure 30. DC Waveform

Rev. 0 | Page 24 of 28

Automotive Products

OUTLINE DIMENSIONS

ADuM5200W/ADuM5201W/ADuM5202W

10.50 (0.4134)

10.10 (0.3976)

16

1

9

8

7.60 (0.2992)

7.40 (0.2913)

10.65 (0.4193)

10.00 (0.3937)

0.75 (0.0295)

0.25 (0.0098)

1.27 (0.0500)

BSC

45°

2.65 (0.1043)

2.35 (0.0925)

0.30 (0.0118)

0.10 (0.0039)

8°

0°

COPLANARITY

0.10

SEATING

PLANE

0.51 (0.0201)

0.31 (0.0122)

1.27 (0.0500)

0.40 (0.0157)

0.33 (0.0130)

0.20 (0.0079)

COMPLIANT TO JEDEC STANDARDS MS-013-AA

CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS

(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR

REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.

Figure 31. 16-Lead Standard Small Outline Package [SOIC_W]

Wide Body (RW-16)

Dimensions shown in millimeters and (inches)

ORDERING GUIDE

Number of Number of Maximum Maximum

Maximum

Inputs,

V_DD1Side

Inputs,

V_DD2Side

Data Rate Propagation Pulse Width

Temperature

Delay, 5 V (ns) Distortion (ns) Range

Package

Description

Package

Option

Model^{1, 2, 3}

(Mbps)

25

ADuM5200WCRWZ 2

ADuM5201WCRWZ 1

ADuM5202WCRWZ 0

0

70

3

−40°C to +105°C 16-Lead SOIC_W RW-16

1

2

25

¹Tape and reel are available. The additional -RL suffix designates a 13-inch (1,000 units) tape and reel option.

²Z = RoHS Compliant Part.

³W = Qualified for Automotive Applications.

AUTOMOTIVE PRODUCTS

The ADuM5200W, ADuM5201W, and ADuM5202W models are available with controlled manufacturing to support the quality and

reliability requirements of automotive applications. Note that these automotive models may have specifications that differ from the

commercial models; therefore, designers should review the Specifications section of this data sheet carefully. Only the automotive grade

products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific

product ordering information and to obtain the specific Automotive Reliability reports for these models.

Rev. 0 | Page 25 of 28

ADuM5200W/ADuM5201W/ADuM5202W

NOTES

Automotive Products

Rev. 0 | Page 26 of 28

Automotive Products

NOTES

ADuM5200W/ADuM5201W/ADuM5202W

Rev. 0 | Page 27 of 28

ADuM5200W/ADuM5201W/ADuM5202W

NOTES

Automotive Products

registered trademarks are the property of their respective owners.

D10436-0-10/12(0)

Rev. 0 | Page 28 of 28


型号：	ADUM5201W
厂家：	ADI
描述：	Dual-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter
文件：	总28页 (文件大小：515K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

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