MAX20323AENC+T* [MAXIM]
USB Type-C CC-Pin Overvoltage Protector;
| 型号： | MAX20323AENC+T* |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | USB Type-C CC-Pin Overvoltage Protector |
| 文件： | 总13页 (文件大小：603K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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MAX20323/MAX20323A/
USB Type-C CC-Pin
MAX20323B/MAX20323C/
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
General Description
The MAX20323/MAX20323A/MAX20323B/MAX20323C/
Benefits and Features
● Flexible System Design
MAX20323D/MAX20323E/MAX20323F
overvoltage
• Wide Operating Supply Voltage Range: 2.5V to 5.5V
• Integrated 270mΩ (typ) Switch per Channel with
1A Continuous Current Capability
• Low Supply Current of 20µA (typ) when CC Inputs
Are Under Overvoltage Threshold
• Accurate Pullup Currents to CC Outputs When
CC Inputs Exceed Overvoltage Threshold (Except
MAX20323A/F)
protectors feature internal overvoltage threshold and
surge protection to turn off the switches and prevent damage
to USB type-C CC/SBU pins.
The devices have two channels switches with 0.27Ω (typ)
on-resistance that are turned on when inputs are below
overvoltage threshold. When overvoltage threshold is
exceeded on one of the channels, the corresponding
switch is turned off and replaced by an accurate pullup
current to output (CC1_O/CC2_O) that is sourced from
input (CC1_I/CC2_I). (The MAX20323A/F do not have the
pullup current feature).
● Reliable Protection
• Accurate OVLO Threshold: 5.75V±0.2V
• Surge Immunity
• MAX20323/A/B/C/E/F: Over ±90V
The devices are available in a 12-bump (0.4mm pitch,
1.7mm x 1.32mm) WLP package and operate over the
-40°C to +85°C extended temperature range.
• MAX20323D: ±80V with No V
or ±60V with
ENCC
Valid V
ENCC
• Ultra-Fast Turn Off: 100ns (typ) Response Time
• Thermal Shutdown Protection
Applications
● Smart Phones
● Tablets
● Space Saving
• 12-Bump 0.4mm Pitch 1.7mm x 1.32mm WLP
● Phablets
● Industrial PCs
Ordering Information appears at end of data sheet.
19-100074; Rev 3; 1/19
MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Absolute Maximum Ratings
(All voltages referenced to GND.)
Continuous Power Dissipation (T = +70°C)
A
V
, EN_TST .....................................................-0.3V to +6V
WLP (derate 13.73mW/°C above +70°C)...............1098.4mW
ENCC
CC1_I, CC2_I (MAX20323,
MAX20323A, MAX20323B)............................-0.3V to +13.5V
CC1_I, CC2_I (MAX20323C, MAX20323D,
MAX20323E, MAX20323F) ............................-0.3V to +21.0V
CC1_O, CC2_O ......................................................-0.3V to +6V
Continuous Current through
Operating Temperature Range........................... -40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range............................ -65°C to +150°C
Soldering Temperature (reflow).......................................+260°C
CC1_I-CC1_O, CC2_I-CC2_O..........................................±1A
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Information
PACKAGE TYPE: 12 WLP
Package Code
N121M1+1
Outline Number
21-100167
Land Pattern Number
Refer to Application Note 1891
THERMAL RESISTANCE, FOUR-LAYER BOARD
Junction to Ambient (θ
)
72.82°C/W
JA
.
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Maxim Integrated
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Electrical Characteristics
(V
= 2.5V to 5.5V, T = -40°C to +85°C, unless otherwise noted. Typical values are at V
= 4.3V, T = +25°C) (Note 1)
ENCC A
ENCC
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY OPERATION
Operating Voltage
V
2.5
2.1
5.5
35
V
ENCC
V
V
= V
= V
= 0V
= 9V,
20
CC1_I
CC2_I
Supply Current
I
µA
VENCC
CC1_I
CC2_I
140
170
2.5
(MAX20323, MAX20323C, MAX20323D)
V
V
rising and falling
V
POR_R/F
ENCC
Power On Reset
V
Hysteresis
23
mV
POR_H
CC INPUTS TO CC OUTPUTS
On Resistance
R
I
= 0.1A
OUT
270
500
mΩ
V
ON
V
V
, V
rising
falling
5.55
5.5
5.75
5.95
OVLO_R
CC1_I CC2_I
Internal Overvoltage
Lockout and Switchover
Threshold
V
V
, V
CC1_I CC2_I
V
OVLO_F
V
Hysteresis
50
mV
OVLO_H
CC1_I, CC2_I Power-On
Input Impedance
R
V
, V = 5.5V
1
MΩ
µA
CC_I
CC1_I CC2_I
MAX20323
V
V
V
V
,
CC1_I
CC2_I
CC1_O
CC2_O
Current Source
CC1_I to CC1_O
CC2_I to CC2_O
I
I
MAX20323C
MAX20323D
MAX20323B
MAX20323E
165.6
180
194.4
SRC_180
SRC_80
> V
,
OVLO_R
,
= 0 to 3V
72
80
88
6
Current Source CC1_O,
CC2_O Voltage Clamp
CC1_O, CC2_O open, C
(not present in MAX20323A/F)
≤ 1nF
LOAD
V
5.5
5.75
V
V
CLP_ISRC
V
= 0 to 2.1V,
ENCC
I
, I
= 356.4µA
2.18
1.6
CC1_I CC2_I
(not present in MAX20323F)
CC1_I, CC2_I Power Off
Voltage Clamp
V
CLP_CC_I
V
= 0 to 2.1V,
ENCC
I
, I
= 200µA
CC1_I CC2_I
(not present in MAX20323F)
V
V
= 0 to 2.1V,
ENCC
CC1_I, CC2_I Power Off
R
, V = 2.18V to 5.5V
5.1
62
kΩ
D
CC1_I CC2_I
R
D
(not present in MAX20323F)
R
= R = 50Ω, 0-1.2V,
SOURCE
LOAD
On Capacitance
C
pF
ON
50MHz signal
Maxim Integrated
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Electrical Characteristics (continued)
(V
= 2.5V to 5.5V, T = -40°C to +85°C, unless otherwise noted. Typical values are at V
= 4.3V, T = +25°C) (Note 1)
ENCC A
ENCC
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS (NOTE 2)
V
, V
falling below OVLO
CC1_I CC2_I
Switch Turn-on Time
t
to V
, V
= 90% of V ,
CC1_I
90
µs
µs
ON_SW
CC1_O CC2_O
V
, R = 1kΩ, C = 400pF
CC2_I
L L
V
, V
rising at 1V/10ns
CC1_I CC2_I
Switch Turn-Off Time
t
above OVLO until V
,
0.1
OFF_SW
CC1_O
V
stop rising, R = 100Ω
L
CC2_O
Current Source Turn-on
Time
t
150
µs
µs
CC_ISRC_ON
Current Source Turn-off
Time
t
2
CC_ISRC_OFF
THERMAL PROTECTION
Thermal Shutdown
T
T
°C
°C
SHDWN_R
135
Thermal Shutdown
Hysteresis
SHDWN_H
20
ESD PROTECTION
IEC 61000-4-2 Contact
Discharge
CC1_I, CC2_I
CC1_I, CC2_I
±8
kV
kV
IEC 61000-4-2 Air Gap
Discharge
±15
CC1_I, CC2_I
±20
±2
Human Body Model
kV
All other pins
Note 1: All devices are 100% production tested at T = +25°C. Specifications over the operating temperature range are guaranteed
A
by design.
Note 2: All timing characteristics are measured using 20% and 80% level unless otherwise specified.
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Typical Operating Characteristics
(V
= 4.3V, T = +25°C, unless otherwise noted.)
ENCC
A
CURRENT SOURCE
vs. CC INPUT VOLTAGE
SUPPLY CURRENT
vs. CC INPUT VOLTAGE
SUPPLY CURRENT
vs. CC INPUT VOLTAGE
toc01
toc02
toc03
180
160
140
120
100
80
180
185
184
183
182
181
180
179
178
177
176
175
160
140
120
100
80
TA = +85ºC
TA = -40ºC
TA = +85ºC
TA = -40ºC
TA = +25°C
TA = +25ºC
TA = -40ºC
TA = +25ºC
TA = +85ºC
60
60
40
40
MAX20323C
or MAX20323D
CC1_I = CC2_I
MAX20323
CC1_I = CC2_I
20
20
VENCC = 3V
MAX20323
0
0
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14
0
2
4
6
8
10 12 14 16 18 20 22
5
6
7
8
9
10 11 12 13 14
CC INPUT VOLTAGE (V)
CC INPUT VOLTAGE (V)
CC INPUT VOLTAGE (V)
NORMALIZED ON RESISTANCE
vs. CC LOAD CURRENT
NORMALIZED ON RESISTANCE
vs. SUPPLY VOLTAGE
NORMALIZED OVLO THRESHOLD
vs. SUPPLY VOLTAGE
toc04
toc05
toc06
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.20
1.15
1.10
1.05
1.00
0.95
0.90
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
TA = +85ºC
TA = +85ºC
TA = +25ºC
TA = +25ºC
TA = -40ºC
TA = -40ºC
NORMALIZED TO
VENCC=3.3V, TA = +25ºC
NORMALIZED TO CC
LOAD CURRENT 0.1A
NORMALIZED TO
VENCC = 3.3V, TA = +25ºC
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
CC OUTPUT LOAD CURRENT (A)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VENCC (V)
VENCC (V)
SWITCH TURN-ON WAVEFORM
OVP EVENT
OVP TO CURRENT SOURCE
toc07
toc08
toc09
VCC1_I
0V
VCC1_I
0V
VCC2_I
5V/div
5V/div
5V/div
5V/div
5V/div
0V
VCC1_O
5V/div
5V/div
VCC1_O
0V
VCC2_O
0V
VENCC
VENCC 0V TO 3.3V
CC1_I PULLUP TO 5V WITH 10kΩ
CC1_I PULLUP WITH 10kΩ FROM 5V TO 12V
CC1_I PULLUP WITH 10kΩ FROM 5V TO 12V
200µs/div
1µs/div
100µs/div
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Bump Configurations
TOP VIEW
(BUMPS ON BOTTOM)
1
2
3
4
MAX20323/MAX20323A/MAX20323B/MAX20323C/
MAX20323D/MAX20323E/MAX20323F
A
B
EN_TST
CC1_O
GND
GND
V
ENCC
CC1_I
CC2_I
CC2_O
CC2_O
C
CC1_O
CC1_I
CC2_I
Bump Descriptions
BUMP
A1
NAME
EN_TST
GND
FUNCTION
Test Input. Used only for test purposes. Connect EN_TST to ground for normal operation.
Ground.
A2, A3
Supply and Active-High Enable Input. Bypass V
as close as possible to the device.
to GND with a 0.1µF ceramic capacitor
ENCC
A4
V
ENCC
B1, C1
B2, C2
B3, C3
B4, C4
CC1_O
CC1_I
CC2_I
CC2_O
Overvoltage Protected CC1 Output.
Overvoltage Protected CC1 Input.
Overvoltage Protected CC2 Input.
Overvoltage Protected CC2 Output.
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Functional Diagram
OVLO1
MAX20323/MAX20323A/MAX20323B
VOVLO
CC1_I
CC1_O
13.5V
DC MAX
RD
180/0/80µA
ON IF
PORB = 0
ON IF
OVLO1 = 1
5.75V
VENCC
PORB
CONTROL
BLOCK
0.1µF
OVLO2
VPOR
VOVLO
CC2_I
CC2_O
13.5V
DC MAX
RD
180/0/80µA
ON IF
PORB = 0
ON IF
OVLO2 = 1
5.75V
GND
EN_TST
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Functional Diagram (continued)
OVLO1
MAX20323C/MAX20323D/MAX20323E
VOVLO
CC1_I
CC1_O
21.0V
DC MAX
RD
180/180/80µA
ON IF
PORB = 0
ON IF
OVLO1 = 1
5.75V
VENCC
PORB
CONTROL
BLOCK
0.1µF
OVLO2
VPOR
VOVLO
CC2_I
CC2_O
21.0V
DC MAX
RD
180/180/80µA
ON IF
PORB = 0
ON IF
OVLO2 = 1
5.75V
GND
EN_TST
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Functional Diagram (continued)
21.0V
DC MAX
MAX20323F
CC1_I
CC1_O
OVLO1
OVLO2
VENCC
VOVLO
PORB
CONTROL
BLOCK
0.1µF
VPOR
VOVLO
CC2_I
CC2_O
21.0V
DC MAX
GND
EN_TST
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
The clamp voltage is as follow:
Detailed Description
1) Input clamp voltage < 2.18V, when:
a. Pullup current 356.4µA (330µA + 8%)
The MAX20323 family has two channel switches that are
turned on when inputs are below overvoltage threshold. When
overvoltage threshold is exceeded on one of the channels, the
corresponding switch is turned off and replaced by an accurate
pullup current to output (CC1_O/CC2_O) that is sourced from
input (CC1_I/CC2_I), except MAX20323A/F.
b. 5.5V pullup voltage and 9.5kΩ (10kΩ - 5%)
pullup resistor
c. 3.465V (3.3V + 5%) pullup voltage and 4.465kΩ
(4.7kΩ - 5%) pullup resistor
The MAX20323 family (except MAX20323F) provide the
2) Input clamp voltage < 1.6V, pullup current 200µA
R
with a clamp when no power is available at V
D
ENCC
and automatically disable R when there is power available
When input voltage goes above 2.18V, the R is 5.1kΩ
(typ) equivalent resistance.
D
D
at V
.
ENCC
When V
clamp resistors R are disabled.
is above power on reset threshold, the
ENCC
Switches
D
The MAX20323 family features 270mΩ typ on-resistance
back-to-back switches between CC inputs and CC outputs.
Each switch is turned on when the correspondent CC
input is below overvoltage threshold.
Thermal Shutdown
Thermal shutdown circuitry protects the devices from
overheating. The switches turn off when the junction
temperature exceeds +135°C (typ). The switches turn
on again after the device temperature drops by
approximately 20°C (typ).
Overvoltage Lockout
When CC1_I/CC2_I is below overvoltage threshold
(V
), the correspondent switch to CC1_O/CC2_O
OVLO_R
is enabled. When CC1_I/CC2_I goes above overvoltage
threshold, the correspondent switch to CC1_O/CC2_O is
disabled.
Application Information
Surge Protection
The MAX20323/MAX20323A/MAX20323B have DC
tolerance up to 13.5V and surge protection up to ±90V.
The MAX20323C/MAX20323E/MAX20323F have DC tol-
erance up to 21.0V and surge protection up to ±90V. The
MAX20323D has DC tolerance up to 21.0V and surge
During an overvoltage condition,
a
pullup cur-
rent sourced from CC1_I/CC2_I to CC1_O/CC2_O is
enabled. The MAX20323/MAX20323C/MAX20323D have
180µA pullup current. The MAX20323B/MAX20323E
have 80µA pullup current. The MAX20323A/F do
not have a pullup current feature. An accurate pul-
lup current is applied when the voltage on CC1_O/
CC2_O is below 3V. Output voltage clamp (5.75V typ)
is also enabled during the overvoltage condition (except
in MAX20323A/F). It is capable of drawing the entire
pullup current to avoid the output voltage exceeds
absolute maximum rating in case the pin is left open.
protection up to ±80V without V
and up to ±60V with
ENCC
valid V
.
ENCC
Extended ESD
ESD protection structures are incorporated on all pins
to protect against electrostatic discharges up to ±2kV
(Human Body Model) encountered during handling and
assembly. CC1_I, CC2_I are further protected against
ESD up to ±20kV (Human Body Model), ±15kV (Air Gap
Discharge method described in IEC 61000-4-2), and ±8kV
(Contact Discharge method described in IEC61000-4-2)
without damage.
Input Voltage Clamp
When V
is below power on reset threshold, the
ENCC
clamp resistors R on CC1_I and CC2_I are enabled.
D
The MAX20323F does not have the input voltage clamp
feature.
The ESD structures withstand high ESD both in normal
operation and when the device is powered down. After an
ESD event, the MAX20323 family continues to function
without latchup.
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
ESD Test Condition
IEC 61000-4-2
ESD performance depends on a variety of conditions.
Contact Maxim for a reliability report that documents test
setup, test methodology, and test results.
The IEC 61000-4-2 standard covers ESD testing and
performance of finished equipment. However, it does not
specifically refer to integrated circuits. The major difference
between tests done using the Human Body Model and
IEC 61000-4-2 is higher peak current in IEC 61000-4-2
because series resistance is lower in the IEC 61000-4-2
model. Hence, the ESD withstand voltage measured to
IEC 61000-4-2 is generally lower than that measured
using the Human Body Model. Figure 3 shows the IEC
61000-4-2 model, and Figure 4 shows the current wave-
form for the IEC 61000-4-2 ESD Contact Discharge test.
Human Body Model
Figure 1 shows the Human Body Model. Figure 2 shows
the current waveform it generates when discharged into a
low impedance. This model consists of a 100pF capacitor
charged to the ESD voltage of interest that is then
discharged into the device through a 1.5kΩ resistor.
RC
RC
RD
RD
50MΩ TO 100MΩ
1MΩ
1.5kΩ
330Ω
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
HIGH-
VOLTAGE
DC
HIGH-
VOLTAGE
DC
DEVICE
UNDER
TEST
DEVICE
UNDER
TEST
STORAGE
CAPACITOR
CS
100pF
STORAGE
CAPACITOR
CS
150pF
SOURCE
SOURCE
Figure 1. Human Body ESD Test Model
Figure 3. IEC 61000-4-2 ESD Test Model
IPEAK (AMPS)
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
IP 100%
90%
Ir
100%
90%
AMPERES
36.8%
10%
0
10%
0
TIME
t
tRL
t
R = 0.7ns
TO 1ns
tDL
30ns
CURRENT WAVEFORM
60ns
Figure 2. Human Body Current Waveform
Figure 4. IEC 61000-4-2 ESD Generator Current Waveform
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Ordering Information/Selector Guide
DC CC INPUT
ABSMAX (V)
PULLUP
CURRENT (µA)
PIN-
TEMP RANGE
PART
TOP MARK
PACKAGE
MAX20323ENC+T
MAX20323AENC+T*
MAX20323BENC+T*
MAX20323CENC+T
MAX20323DENC+T
MAX20323EENC+T*
MAX20323FENC+T
13.5
13.5
13.5
21.0
21.0
21.0
21.0
180
―
AAD
AAE
AAF
AAG
AAH
AAI
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
12 WLP
12 WLP
12 WLP
12 WLP
12 WLP
12 WLP
12 WLP
80
180
180
80
―
AAJ
+Denotes lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*Future product–Contact Maxim for availability.
Chip Information
PROCESS: BiCMOS
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MAX20323/MAX20323A/
MAX20323B/MAX20323C/
USB Type-C CC-Pin
Overvoltage Protector
MAX20323D/MAX20323E/MAX20323F
Revision History
REVISION REVISION
PAGES
CHANGED
DESCRIPTION
NUMBER
DATE
0
6/17
Initial release
—
1
11/17
Updated surge voltage and modified pullup current level of MAX20323A/C
1, 2, 6, 7, 9, 11
Updated Benefits and Features, Absolute Maximum Ratings, Functional Diagrams,
Application Information, and Ordering Information/Selector Guide
2
3
7/18
1/19
1, 2, 7–9, 11
Updated the General Description, Benefits and Features, Electrical Characteristics,
Detailed Description, and Surge Protection sections; Updated TOC02, Functional
Diagram for MAX20323C/MAX20323D/MAX20323E, and removed future product
designation from MAX20323CENC+T
1, 3–4, 8
10, 12
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits)
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
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2019 Maxim Integrated Products, Inc.
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