MAX4211EEUE [MAXIM]
Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO16, MO-153AB, TSSOP-16;
| 型号： | MAX4211EEUE |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO16, MO-153AB, TSSOP-16 信息通信管理 光电二极管 |
| 文件： | 总32页 (文件大小：677K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-3285; Rev 1; 5/05
High-Side Power and
Current Monitors
General Description
Features
The MAX4210/MAX4211 low-cost, low-power, high-side
power/current monitors provide an analog output volt-
age proportional to the power consumed by a load by
multiplying load current and source voltage. The
MAX4210/MAX4211 measure load current by using a
high-side current-sense amplifier, making them espe-
cially useful in battery-powered systems by not interfer-
ing with the ground path of the load.
o Real-Time Current and Power Monitoring
o ±±1.5 ꢀmaꢁx Current-ꢂenꢃe ꢄAAuraAc
o ±±1.5 ꢀmaꢁx Power-ꢂenꢃe ꢄAAuraAc
o Two UnAommitted Comparatorꢃ ꢀMꢄX42±±x
o ±12±V ReferenAe Output ꢀMꢄX42±±x
o Three Current/Power Gain Optionꢃ
o ±00mV/±.0mV Current-ꢂenꢃe Full-ꢂAale Voltage
o +4V to +28V Input ꢂourAe Voltage Range
o +217V to +.1.V Power-ꢂupplc Voltage Range
o Low ꢂupplc Current: 380µꢄ ꢀMꢄX42±0x
o 220kHz Bandwidth
The MAX4210 is a small, simple 6-pin power monitor
intended for limited board space applications. The
MAX4210A/B/C integrate an internal 25:1 resistor-divider
network to reduce component count. The MAX4210D/E/F
use an external resistor-divider network for greater design
flexibility.
o ꢂmall 6-Pin TDFN and 8-Pin µMꢄX PaAkageꢃ
ꢀMꢄX42±0x
The MAX4211 is a full-featured current and power mon-
itor. The device combines a high-side current-sense
amplifier, 1.21V bandgap reference, and two compara-
tors with open-drain outputs to make detector circuits
for overpower, overcurrent, and/or overvoltage condi-
tions. The open-drain outputs can be connected to
potentials as high as 28V, suitable for driving high-side
switches for circuit-breaker applications.
Ordering Information
TOP
PꢄRT
TEMP RꢄNGE PIN-PꢄCKꢄGE
MꢄRK
AHF
—
6 TDFN-6-EP*
(3mm x 3mm)
-40°C to +85°C 8 µMAX
MꢄX42±0AETT-T -40°C to +85°C
Both the MAX4210/MAX4211 feature three different cur-
rent-sense amplifier gain options: 16.67V/V, 25.00V/V, and
40.96V/V. The MAX4210 is available in 3mm x 3mm, 6-pin
MAX4210AEUA
*EP = Exposed paddle.
®
Ordering Information continued at end of data sheet.
TDFN and 8-pin µMAX packages and the MAX4211 is
available in 4mm x 4mm, 16-pin thin QFN and 16-pin
TSSOP packages. Both parts are specified for the -40°C
to +85°C extended operating temperature range.
Functional Diagrams
V
SENSE
+
-
R
SENSE
Applications
+
-
4V TO
28V
LOAD
RS+
RS-
Overpower Circuit Breakers
Smart Battery Packs/Chargers
Smart Peripheral Control
Short-Circuit Protection
Power-Supply Displays
Measurement Instrumentation
Baseband Analog Multipliers
VGA Circuits
V
CC
+
-
2.7V TO
5.5V
IOUT
25:1
POUT
REF
1.21V
REFERENCE
INHIBIT
CIN1+
COUT1
LE
CIN1-
CIN2+
Power-Level Detectors
COUT2
CIN2-
µMAX is a registered trademark of Maxim Integrated Products, Inc.
MAX4211A
MAX4211B
MAX4211C
GND
Pin Configurations and Selector Guide appear at end of data
sheet.
Functional Diagrams continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
±
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
High-Side Power and
Current Monitors
ꢄBꢂOLUTE MꢄXIMUM RꢄTINGꢂ
CC
RS+, RS-, INHIBIT, LE, COUT1, COUT2 to GND...-0.3V to +30V
IOUT, POUT, REF to GND..........................-0.3V to (V + 0.3V)
V
, IN, CIN1, CIN2 to GND....................................-0.3V to +6V
8-Pin µMAX (derate 4.5mW/°C above +70°C) .............362mW
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ..........754mW
16-Pin Thin QFN (derate 25mW/°C above +70°C) .....2000mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
CC
Differential Input Voltage (V
- V ) ................................. 5V
RS+
RS-
Maximum Current into Any Pin.......................................... 10mA
Output Short-Circuit Duration to V or GND ........................10s
CC
Continuous Power Dissipation (T = +70°C)
A
6-Pin TDFN (derate 24.4mW/°C above +70°C) ..........1951mW
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.
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
A
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2
CC
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
MꢄX
UNITꢂ
Operating Voltage Range
(Note 2)
V
2.7
5.5
V
CC
Common-Mode Input Range
(Note 3)
V
Measured at RS+
= +25°C,
4
28
V
CMR
MAX4210
380
670
570
960
670
1100
25
T
A
V
= +5.5V
CC
MAX4211
Supply Current
I
µA
CC
MAX4210
V
= +5.5V
CC
MAX4211
MAX421_A/B/C
MAX421_D/E/F
14
3
I
V
V
= 0mV
= 0mV
RS+
SENSE
SENSE
Input Bias Current
µA
8
I
3
8
RS-
IN Input Bias Current
Leakage Current
I
MAX421_D/E/F
= 0V
-0.1
0.1
-1
µA
µA
IN
I
, I
V
1
RS+ RS-
CC
MAX421_A/B/D/E
MAX421_C/F
150
100
V
Full-Scale Voltage
SENSE
V
mV
V
SENSE_FS
(Note 4)
IN Full-Scale Voltage
(Note 4)
MAX421_D/E/F, V
100mV
= 10mV to
= 10mV to
= 10mV to
= 10mV to
SENSE
SENSE
V
1
0.16
25
4
IN_FS
IN Input Voltage Range
(Note 5)
MAX421_D/E/F, V
100mV
V
1.10
28
V
IN
V
Full-Scale Voltage
MAX421_A/B/C, V
100mV
RS+
SENSE
SENSE
V
(Note 4)
V
Input Voltage Range
MAX421_A/B/C, V
100mV
RS+
V
V
RS+
(Note 5)
Current into IOUT = 10µA
Current into IOUT = 100µA
Current into POUT = 10µA
Current into POUT = 100µA
1.5
2.5
1.5
2.5
V
0V, V
25V
=
SENSE
80
80
Minimum IOUT/POUT Voltage
V
mV
V
=
OUT_MIN
RS+
Current out of
IOUT = 500µA
V
-
CC
0.25
V
=
SENSE
Maximum IOUT/POUT Voltage
(Note 6)
V
300mV,
= 25V
OUT_MAX
Current out of
POUT = 500µA
V
-
CC
0.25
V
RS+
2
_______________________________________________________________________________________
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
A
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2
CC
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
16.67
25.00
40.96
0.667
1.00
1.64
16.67
25.00
40.96
80
MꢄX
UNITꢂ
MAX4211A/D
MAX4211B/E
MAX4211C/F
MAX421_A
MAX421_B
MAX421_C
MAX421_D
MAX421_E
MAX421_F
V
/
IOUT
Current-Sense Amplifier Gain
Power-Sense Amplifier Gain
V/V
V
SENSE
V
/
POUT
(V
SENSE
x
V
)
RS+
1/V
V
/
POUT
(V
x V )
IN
SENSE
IOUT Common-Mode Rejection
POUT Common-Mode Rejection
IOUT Power-Supply Rejection
POUT Power-Supply Rejection
CMRI
MAX4211, V
= 4V to 28V
60
60
52
52
dB
dB
dB
dB
RS+
CMRP
PSRI
MAX421_D/E/F, V
= 4V to 28V
80
RS+
V
V
= 2.7V to 5.5V
80
CC
CC
PSRP
= 2.7V to 5.5V
70
Output Resistance for POUT,
IOUT, REF
R
OUT
0.5
Ω
IOUT -3dB Bandwidth
BW
V
V
= 100mV, V
= 100mV, V
AC source
220
220
kHz
IOUT/SENSE
SENSE
SENSE
SENSE
BW
AC source
POUT/SENSE
SENSE
V
= 100mV, V AC source,
IN
SENSE
BW
500
250
450
POUT/VIN
MAX421_D/E/F
POUT -3dB Bandwidth
kHz
V
= 100mV, V AC source,
RS+
SENSE
BW
POUT/RS+
MAX421_A/B/C
Capacitive-Load Stability
(POUT, IOUT, REF)
C
No sustained oscillations
pF
µs
LOAD
V
V
V
V
= 10mV to 100mV
= 100mV to 10mV
= 10mV to 100mV
= 100mV to 10mV
15
15
10
10
SENSE
SENSE
SENSE
SENSE
Current Output (IOUT) Settling
Time to 1% of Final Value
MAX4211
V
V
= 4V to 25V,
RS+
MAX421_A/B/C
15
15
= 100mV
SENSE
V
V
= 25V to 4V,
RS+
= 100mV
SENSE
Power Output (POUT) Settling
Time to 1% of Final Value
µs
V
V
= 10mV to 100mV
= 100mV to 10mV
10
10
SENSE
SENSE
V
V
= 160mV to 1V,
IN
MAX421_D/E/F
10
10
= 100mV
SENSE
V
V
= 1V to 160mV,
IN
= 100mV
SENSE
_______________________________________________________________________________________
3
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
A
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2
CC
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
MꢄX
UNITꢂ
Power-Up Time to 1% of
Current Output Final Value
V
= 100mV, C
= 10pF,
SENSE
LOAD
100
µs
MAX4211
Power-Up Time to 1% of Power
Output Final Value
V
= 100mV, C
= 10pF
100
µs
µs
SENSE
LOAD
C
= 10pF, V
= -100mV to
LOAD
SENSE
35
35
25
Saturation Recovery Time for
Current Out (Note 7)
+100mV
C
= 10pF, V
= 1.5V to 100mV
LOAD
SENSE
V
V
= 5V, V
= 10V, C
LOAD
= 10pF,
CC
RS+
= -100mV to +100mV
SENSE
Saturation Recovery Time for
Power Out (Note 7)
µs
V
V
V
= 5V, V
= 10V, C
RS+ LOAD
= 10pF,
CC
25
= 1.5V to 100mV
SENSE
I
I
= 0 to 100µA, T = +25°C
1.20
1.19
1.21
1.22
1.23
5
REF
A
Reference Voltage
V
REF
= 0 to 100µA, T = -40°C to +85°C
REF
A
Comparator Input Offset
Comparator Hysteresis
Common-mode voltage = REF
0.5
5
mV
mV
Comparator Common-Mode
Low
Functional test
Functional test
0.1
V
Comparator Common-Mode
High
V
-
CC
V
nA
V
1.15
Comparator Input Bias Current
I
BIAS
-2
Comparator Output Low
Voltage
V
I
= 1mA
0.2
0.6
1
OL
SINK
Comparator Output-High
Leakage Current (Note 8)
V
= 28V
µA
V
PULLUP
LE Logic Input-High Voltage
Threshold
0.67 x
V
IH
V
CC
LE Logic Input-Low Voltage
Threshold
0.33 x
V
V
IL
V
CC
LE Logic Input Internal
Pulldown Current
0.68
1.3
1
2.20
µA
V
INHIBIT Logic Input-High
Voltage Threshold
INHIBIT Logic Input-Low
Voltage Threshold
0.5
V
V
INHIBIT Logic Input Hysteresis
0.6
1
INHIBIT Logic Input Internal
Pulldown Current
0.68
2.20
µA
4
_______________________________________________________________________________________
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2 CC A
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
, t
CONDITIONꢂ
MIN
TYP
MꢄX
UNITꢂ
Comparator Propagation
Delay
C
= 10pF, R
= 10kΩ pullup to
LOAD
LOAD
t
4
µs
PD+ PD-
V
, 5mV overdrive
CC
Minimum INHIBIT Pulse
Width
1
1
µs
µs
Minimum LE Pulse Width
Comparator Power-Up
t
V
V
from 0 to (2.7V to 5.5V)
300
3
µs
µs
ON
CC
Blanking Time From V
LATCH Setup Time
CC
t
SETUP
MꢄX42±0ꢄ/MꢄX42±±ꢄ ꢀpower gain = 01667x
T
A
T
A
T
A
T
A
= +25°C
0.5
0.5
1.5
3.0
1.5
3.0
∆V
∆V
/
= 10mV to
SENSE
POUT
100mV, V
= 25V
SENSE
RS+
= T
to T
MIN
MAX
POUT Gain Accuracy
(Note 9)
%
= +25°C
= T to T
∆V
/
V
V
= 100mV,
SENSE
POUT
∆V
= 5V to 25V
RS+
RS+
MIN
MAX
V
= 5mV to
SENSE
T
T
= +25°C
0.15
0.2
1.5
3.0
A
A
∆V
/
/
POUT_MAX
FSO
100mV, V
25V
= 5V to
% FSO*
RS+
= T
to T
MIN
MAX
T
T
= +25°C
1.5
3.0
A
V
V
= 150mV,
≥ 15V
SENSE
Total POUT Output Error
(Note 10)
RS+
= T
to T
A
MIN
MAX
V
V
V
V
= 100mV, V
= 100mV, V
≥ 4V
≥ 9V
2.5
1.2
1.8
1.8
1.5
∆V
SENSE
SENSE
SENSE
SENSE
RS+
POUT_MAX
%
V
POUT
RS+
= 50mV, V
= 25mV, V
≥ 6V
RS+
RS+
≥ 15V
T
= +25°C
5
POUT Output Offset Voltage
(Note 11)
V
V
= 0V,
= 25V
A
A
SENSE
mV
RS+
T
= T
to T
15
MIN
MAX
MꢄX42±0B/MꢄX42±±B ꢀpower gain = ±100x
T
A
T
A
T
A
T
A
= +25°C
0.5
0.5
1.5
3.0
1.5
3.0
∆V
∆V
/
V
= 10mV to
POUT
SENSE
100mV, V
= 25V
SENSE
RS+
= T
to T
MIN
MAX
POUT Gain Accuracy
(Note 9)
%
= +25°C
= T to T
∆V
∆V
/
V
V
= 100mV,
SENSE
= 5V to 25V
RS+
POUT
RS+
MIN
MAX
*FSO refers to full-scale output under the conditions: V
= 100mV, V = +25V, or V = 1V.
RS+ IN
SENSE
_______________________________________________________________________________________
.
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
A
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2
CC
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
MꢄX
UNITꢂ
V
= 5mV to
SENSE
T
T
= +25°C
0.15
1.5
A
∆V
/
POUT_MAX
FSO
% FSO*
100mV, V
25V
= 5V to
RS+
= T
to T
3.0
A
MIN
MAX
T
T
= +25°C
0.2
1.5
3.0
A
V
V
= 150mV,
> 15V
SENSE
Total POUT Output Error
(Note 10)
RS+
= T
to T
A
MIN
MAX
V
V
V
V
= 100mV, V
= 100mV, V
> 4V
> 9V
2.5
1.2
1.8
1.8
2
∆V
/
SENSE
SENSE
SENSE
SENSE
RS+
RS+
POUT_MAX
%
V
POUT
= 50mV, V
= 25mV, V
> 6V
RS+
RS+
> 15V
T
= +25°C
6.5
20
POUT Output Offset Voltage
(Note 11)
V
V
= 0V,
= 25V
A
A
SENSE
mV
RS+
T
= T to T
MIN MAX
MꢄX42±0C/MꢄX42±±C ꢀpower gain = ±164x
T
T
T
T
T
= +25°C
0.5
0.5
1.5
3.0
1.5
3.0
1.5
A
A
A
A
A
∆V
∆V
/
V
= 10mV to
POUT
SENSE
SENSE
100mV, V
= 25V
RS+
= T
to T
MIN
MAX
POUT Gain Accuracy
(Note 9)
%
= +25°C
= T to T
∆V
∆V
/
V
V
= 100mV,
SENSE
POUT
= 5V to 25V
RS+
RS+
MIN
MAX
V
= 5mV to
SENSE
= +25°C
= T to T
MAX
0.15
∆V
/
/
POUT_MAX
FSO
% FSO*
100mV, V
to 25V
= 5V
RS+
T
A
3.0
MIN
Total POUT Output Error
(Note 10)
V
V
V
V
= 100mV, V
= 100mV, V
≥ 4V
≥ 9V
2.5
1.2
1.8
1.8
SENSE
SENSE
SENSE
SENSE
RS+
RS+
∆V
POUT_MAX
%
V
POUT
= 50mV, V
= 25mV, V
≥ 6V
RS+
RS+
≥ 15V
T
= +25°C
3
10
30
POUT Output Offset Voltage
(Note 11)
V
V
= 0V,
= 25V
A
A
SENSE
mV
RS+
T
= T
to T
MAX
MIN
MꢄX42±0D/MꢄX42±±D ꢀpower gain = ±6167x
T
A
T
A
T
A
T
A
= +25°C
0.5
0.5
1.5
3.0
1.5
3.0
∆V
∆V
/
V
= 10mV to
POUT
SENSE
100mV, V = 1V
SENSE
IN
= T
to T
MIN
MAX
POUT Gain Accuracy
(Note 9)
%
= +25°C
= T to T
∆V
∆V
/
V
V
= 100mV,
SENSE
= 0.2V to 1V
IN
POUT
IN
MIN
MAX
*FSO refers to full-scale output under the conditions: V
= 100mV, V = +25V, or V = 1V.
RS+ IN
SENSE
6
_______________________________________________________________________________________
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
A
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2
CC
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
MꢄX
UNITꢂ
V
= 5mV to
SENSE
T
T
= +25°C
0.15
1.5
A
∆V
/
POUT_MAX
FSO
100mV, V
V
= 25V,
% FSO*
RS+
= T
to T
3.0
A
MIN
MAX
= 0.2V to 1V
IN
T
T
= +25°C
0.2
1.5
3.0
A
V
= 150mV, V
SENSE
RS+
= 25V, V = 600mV
IN
= T
to T
A
MIN
MAX
V
V
= 100mV, V
≥ 160mV
= 15V,
SENSE
RS+
RS+
2.5
1.2
1.8
Total POUT Output Error
(Note 10)
IN
∆V
/
V
V
= 100mV, V
≥ 360mV
= 15V,
POUT_MAX
SENSE
%
V
IN
POUT
V
V
= 50mV, V
= 25mV, V
= 0V,
= 15V,
= 15V,
SENSE
RS+
RS+
≥ 240mV
IN
V
V
SENSE
1.8
1.5
≥ 600mV
IN
T
T
= +25°C
5
A
POUT Output Offset Voltage
(Note 11)
V
V
SENSE
mV
= 25V, V = 1V
RS+
IN
= T
to T
15
A
MIN
MAX
MꢄX42±0E/MꢄX42±±E ꢀpower gain = 2.100x
T
A
T
A
T
A
T
A
= +25°C
0.5
0.5
1.5
3.0
1.5
3.0
∆V
∆V
/
V
= 10mV to
SENSE
POUT
100mV, V = 1V
= T
to T
SENSE
IN
MIN
MAX
POUT Gain Accuracy
(Note 9)
%
= +25°C
= T to T
∆V
∆V
/
V
V
= 100mV,
SENSE
POUT
= 0.2V to 1V
IN
IN
MIN
MAX
V
= 5mV to
SENSE
T
A
T
A
T
A
T
A
= +25°C
0.15
0.2
1.5
3.0
1.5
3.0
∆V
/
POUT_MAX
FSO
100mV, V
V
= 25V,
% FSO*
RS+
= T
to T
= 0.2V to 1V
MIN
MAX
IN
V
V
= 150mV,
SENSE
= +25°C
= T to T
=25V, V
=
IN
RS+
600mV
MIN
MAX
V
V
= 100mV, V
= 100mV, V
= 15V,
= 15V,
15V,
SENSE
RS+
Total POUT Output Error
(Note 10)
2.5
1.2
1.8
≥ 160mV
IN
∆V
/
POUT_MAX
%
V
V
SENSE
RS+
V
POUT
≥ 360mV
IN
V
V
= 50mV, V
= 25mV, V
= 0V,
SENSE
RS+ =
≥ 240mV
IN
V
V
= 15V,
RS+
SENSE
1.8
2
≥ 600mV
IN
T
T
= +25°C
6.5
20
A
POUT Output Offset Voltage
(Note 11)
V
V
SENSE
mV
= 25V, V = 1V
RS+
IN
= T
to T
MIN MAX
A
*FSO refers to full-scale output under the conditions: V
= 100mV, V = +25V, or V = 1V.
RS+ IN
SENSE
_______________________________________________________________________________________
7
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2 CC A
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
0.5
MꢄX
UNITꢂ
MꢄX42±0F/MꢄX42±±F ꢀpower gain = 40196x
T
A
T
A
T
A
T
A
= +25°C
1.5
3.0
1.5
3.0
∆V
∆V
/
V
= 10mV to
SENSE
100mV, V = 1V
POUT
SENSE
IN
= T
to T
POUT Gain Accuracy
(Note 9)
MIN
MAX
MAX
%
= +25°C
= T to T
0.5
∆V
/
V
V
= 100mV,
SENSE
= 0.2V to 1V
POUT
∆V
IN
IN
MIN
V
= 5mV to
SENSE
T
= +25°C
0.15
1.5
3.0
A
A
∆V
/
/
POUT_MAX
FSO
100mV, V
V
= 25V,
% FSO*
RS+
T
= T
to T
MAX
= 0.2V to 1V
MIN
IN
V
V
= 100mV, V
≥ 160mV
= 15V,
= 15V,
15V,
SENSE
RS+
RS+
2.5
1.2
1.8
IN
Total POUT Output Error
(Note 10)
V
V
= 100mV, V
≥ 360mV
SENSE
IN
∆V
POUT_MAX
%
V
POUT
V
V
= 50mV, V
= 25mV, V
= 0V,
SENSE
RS+ =
≥ 240mV
IN
V
V
= 15V,
RS+
SENSE
1.8
3
≥ 600mV
IN
T
T
= +25°C
10
30
A
POUT Output Offset Voltage
(Note 11)
V
V
SENSE
mV
= 25V, V = 1V
RS+
IN
= T to T
MIN MAX
A
MꢄX42±±ꢄ/MꢄX42±±D ꢀAurrent gain = ±6167x
T
T
T
T
T
= +25°C
0.5
0.15
0.2
1.5
3.0
1.5
3.0
1.5
3.0
A
A
A
A
A
∆V
/
V
= 20mV to
SENSE
IOUT
IOUT Gain Accuracy
%
∆V
100mV, V
= 25V
RS+
SENSE
= T
to T
MIN
MAX
MAX
MAX
= +25°C
= T to T
∆V
/
V
= 5mV to
IOUT_MAX
FSO
SENSE
% FSO*
100mV
MIN
= +25°C
to T
V
= 150mV
SENSE
Total IOUT Output Error
(Note 10)
T = T
A
MIN
∆V
_
/
IOUT MAX
V
V
V
= 50mV
= 25mV
= 5mV
1.2
1.8
20
%
SENSE
SENSE
SENSE
V
IOUT
*FSO refers to full-scale output under the conditions: V
= 100mV, V = +25V, or V = 1V.
RS+ IN
SENSE
8
_______________________________________________________________________________________
High-Side Power and
Current Monitors
ELECTRICꢄL CHꢄRꢄCTERIꢂTICꢂ ꢀAontinuedx
(V
= 5.0V, V
= 25V, V
= 5mV, V = 1.0V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
GND, V
RS+
= 0V, R
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= R
= 5kΩ connected to V , T = -40°C to +85°C, unless otherwise noted. Typical values are at
INHIBIT
COUT1
COUT2 CC A
T
A
= +25°C, unless otherwise noted.) (Note 1)
PꢄRꢄMETER
ꢂYMBOL
CONDITIONꢂ
MIN
TYP
0.5
MꢄX
UNITꢂ
MꢄX42±±B/MꢄX42±±E ꢀAurrent gain = 2.100x
T
T
T
T
T
T
= +25°C
1.5
3.0
1.5
3.0
1.5
3.0
A
A
A
A
A
∆V
/
V
= 20mV to
SENSE
IOUT
IOUT Gain Accuracy
%
∆V
100mV, V
= 25V
RS+
SENSE
= T
to T
MIN
MAX
MAX
MAX
= +25°C
= T to T
0.15
0.2
∆V
/
V
= 5mV to
IOUT_MAX
FSO
SENSE
% FSO*
100mV
MIN
= +25°C
= T to T
V
= 150mV
SENSE
Total IOUT Output Error
(Note 10)
A
MIN
∆V
_
/
IOUT MAX
%
V
V
V
= 50mV
= 25mV
= 5mV
1.2
1.8
20
SENSE
SENSE
SENSE
V
IOUT
MꢄX42±±C/MꢄX42±±F ꢀAurrent gain = 40196x
T
A
T
A
T
A
T
A
T
A
T
A
= +25°C
0.5
0.15
0.2
1.5
3.0
1.5
3.0
1.5
3.0
∆V
/
V
= 20mV to
=25V
RS+
IOUT
SENSE
IOUT Gain Accuracy
%
∆V
100mV, V
SENSE
= T
to T
MIN
MAX
MAX
MAX
= +25°C
= T to T
∆V
∆V
/
V
= 5mV to
IOUT_MAX
FSO
SENSE
% FSO*
100mV
MIN
= +25°C
= T to T
V
= 100mV
SENSE
Total IOUT Output Error
(Note 10)
MIN
_
/
IOUT MAX
%
V
V
V
= 50mV
= 25mV
= 5mV
1.2
1.8
20
SENSE
SENSE
SENSE
V
IOUT
*FSO refers to full-scale output under the conditions: V
= 100mV, V = +25V, or V = 1V.
RS+ IN
SENSE
Note ±: All devices are 100% production tested at T = +25°C. All temperature limits are guaranteed by design.
A
Note 2: Guaranteed by power-supply rejection test.
Note 3: Guaranteed by output voltage error tests (IOUT).
Note 4: Guaranteed by output voltage error tests (IOUT or POUT, or both).
Note .: IN Input Voltage Range (MAX421_D/E/F) and V
Input Voltage Range (MAX421_A/B/C) are guaranteed by design
RS+
(GBD) and not production tested. See Multiplier Transfer Characteristics graphs in the Typical Operating Characteristics.
Note 6: This test does not apply to the low gain options, MAX421_A/D, because OUT is clamped at approximately 4V.
Note 7: The device does not experience phase reversal when overdriven.
Note 8:
V
is defined as an externally applied voltage through a resistor, R
, to pull up the comparator output.
PULLUP
PULLUP
Note 9: POUT gain accuracy is the sum of gain error and multiplier nonlinearity.
Note ±0: Total output voltage error is the sum of gain and offset voltage errors.
Note ±±: POUT Output Offset Voltage is the sum of offset and multiplier feedthrough.
_______________________________________________________________________________________
9
High-Side Power and
Current Monitors
Typical Operating Characteristics
(V
0V, V
= 5.0V, V
= 25V, V
= 100mV, V = 1V, V = 0V, R
COUT2 CC A
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
RS+
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= 0V, R
= R
= 5kΩ connected to V , T = +25°C, unless otherwise noted.)
INHIBIT
COUT1
SUPPLY CURRENT
vs. COMMON-MODE VOLTAGE
MAX4210
SUPPLY CURRENT vs. TEMPERATURE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0.8
0.7
0.6
0.5
0.4
0.3
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.50
0.45
0.40
0.35
0.30
0.25
0.20
V
V
= 5mV
V
= 5mV
SENSE
SENSE
V
V
= 5mV
SENSE
CC
= 5V
CC
= 5V
V
= 5.5V
CC
MAX4211
MAX4210
V
= 4.0V
CC
MAX4211
V
= 2.7V
CC
MAX4210
4
8
12
16
20
24
28
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
-40
-15
10
35
60
85
RS+ VOLTAGE (V)
TEMPERATURE (°C)
RS+/RS- BIAS CURRENT
vs. COMMON-MODE VOLTAGE
RS+/RS- BIAS CURRENT
vs. TEMPERATURE
MAX4211
SUPPLY CURRENT vs. TEMPERATURE
16
14
12
10
8
16
0.8
0.7
0.6
0.5
0.4
0.3
V
= 5mV
SENSE
14
12
10
8
V
= 5.5V
RS+ (A/B/C VERSIONS)
CC
RS+ (A/B/C VERSIONS)
V
= 4.0V
CC
V
+ = V - = 25V
V + = V -
RS RS
RS
RS
6
RS-
RS-
6
V
= 2.7V
CC
4
4
2
2
RS+ (D/E/F VERSIONS)
16 20 24
RS+ (D/E/F VERSIONS)
0
0
4
8
12
28
-40
-15
10
35
60
85
-40
-15
10
35
60
85
COMMON-MODE VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
POWER OUTPUT ERROR
vs. SUPPLY VOLTAGE
CURRENT OUTPUT ERROR
vs. SUPPLY VOLTAGE
POWER OUTPUT ERROR
vs. SENSE VOLTAGE
0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
0
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
T
= -40°C
A
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
T
= -40°C
A
T
= 0°C
A
T
= 0°C
A
T
= +25°C
A
T
= -40°C
A
T
= +25°C
= +85°C
A
T
= +25°C
A
T
= 0°C
A
T
A
T
= +85°C
A
T
= +85°C
A
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
0
25
50
75
100
125
150
SENSE VOLTAGE (mV)
±0 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Typical Operating Characteristics (continued)
(V
0V, V
= 5.0V, V
= 25V, V
= 100mV, V = 1V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
RS+
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= 0V, R
= R
= 5kΩ connected to V , T = +25°C, unless otherwise noted.)
COUT2 CC A
INHIBIT
COUT1
CURRENT OUTPUT ERROR
vs. SENSE VOLTAGE
POWER OUTPUT ERROR
vs. IN VOLTAGE
POWER OUTPUT ERROR vs. V
+
RS
0
0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
1.0
0.8
T
= -40°C
A
-0.2
T
= -40°C
A
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
-1.6
-1.8
-2.0
T
= 0°C
0.6
A
0.4
T = -40°C
A
T
= 0°C
A
T
= +85°C
A
T
= +85°C
A
0.2
T
= +25°C
A
T
= +25°C
A
0
T
= 0°C
A
-0.2
-0.4
-0.6
-0.8
-1.0
T
= +25°C
A
T
= +85°C
A
MAX4211B
10
4
7
13
16
19
22
25
0
25
50
75
100
125
150
0
200
400
600
800 1000 1200
V
+ VOLTAGE (V)
SENSE VOLTAGE (mV)
IN VOLTAGE (mV)
RS
POWER GAIN vs. TEMPERATURE
MULTIPLIER TRANSFER CHARACTERISTICS
CURRENT GAIN vs. TEMPERATURE
25.10
25.05
25.00
24.95
24.90
24.85
24.80
2.5
2.0
1.5
1.0
0.5
0
25.00
24.95
24.90
24.85
24.80
24.75
24.70
MAX4211E
MAX4211D
V
= 100mV
MAX4211E
SENSE
V
= 70mV
SENSE
V
= 30mV
SENSE
-40
-15
10
35
60
85
0
0.3
0.6
0.9
1.2
1.5
-40
-15
10
35
60
85
TEMPERATURE (°C)
IN VOLTAGE (V)
TEMPERATURE (°C)
REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MULTIPLIER TRANSFER CHARACTERISTICS
MULTIPLIER TRANSFER CHARACTERISTICS
3.0
2.5
2.0
1.5
1.0
0.5
0
5
1.220
1.215
1.210
1.205
1.200
MAX4211B
MAX4211B
V
= 100mV
SENSE
V
+ = 15V
RS
4
3
2
1
0
V
+ = 25V
RS
V
= 70mV
SENSE
V
= 30mV
SENSE
V
+ = 4V
RS
4
8
12
16
20
24
28
0
50
100
150
200
250
300
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
RS+ VOLTAGE (V)
SENSE VOLTAGE (mV)
______________________________________________________________________________________ ±±
High-Side Power and
Current Monitors
Typical Operating Characteristics (continued)
(V
0V, V
= 5.0V, V
= 25V, V
= 100mV, V = 1V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
RS+
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= 0V, R
= R
= 5kΩ connected to V , T = +25°C, unless otherwise noted.)
COUT2 CC A
INHIBIT
COUT1
COMPARATOR PROPAGATION DELAY
vs. OVERDRIVE VOLTAGE
REFERENCE VOLTAGE
vs. TEMPERATURE
COMPARATOR PROPAGATION DELAY
vs. TEMPERATURE
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
1.220
1.215
1.210
1.205
1.200
0
50
100
150
200
-40
-15
10
35
60
85
-40
-15
10
35
60
85
OVERDRIVE VOLTAGE (mV)
TEMPERATURE (°C)
TEMPERATURE (°C)
COMPARATOR OUTPUT VOLTAGE (V
vs. CURRENT SINK
)
COMPARATOR OUTPUT VOLTAGE (V
)
OL
OL
COMPARATOR POWER-UP DELAY
vs. TEMPERATURE
MAX4210/11 toc24
400
350
300
250
200
150
100
50
600
500
400
300
200
100
0
CURRENT SINK = 1mA
5V
V
CC
2V/div
0V
5V
COUT
2V/div
0V
0
200µs/div
-40
-15
10
35
60
85
0
1
2
3
4
TEMPERATURE (°C)
CURRENT SINK (mA)
POUT POWER-UP DELAY
COMPARATOR PROPAGATION DELAY
COMPARATOR AC RESPONSE
MAX4210/11 toc26
MAX4210/11 toc27
MAX4210/11 toc25
MAX4211E
C
= 1.21V
V
= 5mV
IN-
OD
5V
1.45V
CIN+
V
CIN+
V
CC
2V/div
0V
0.95V
5V
2.5V
5V
C
POUT
1V/div
OUT
2V/div
C
OUT
2V/div
0V
0V
0V
200µs/div
2µs/div
4µs/div
±2 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Typical Operating Characteristics (continued)
(V
0V, V
= 5.0V, V
= 25V, V
= 100mV, V = 1V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
RS+
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= 0V, R
= R
= 5kΩ connected to V , T = +25°C, unless otherwise noted.)
COUT2 CC A
INHIBIT
COUT1
IOUT POWER-UP DELAY
V
CC
POWER-UP/DOWN RESPONSE POUT
MAX4210/11 toc28
MAX4210/11 toc29
MAX4211E
V
= 150mV
SENSE
5V
MAX4211E
V
CC
V
2V/div
CC
2V/div
0V
0V
2.5V
POUT
2V/div
IOUT
1V/div
0V
0V
200µs/div
2ms/div
V
CC
POWER-UP/DOWN RESPONSE IOUT
RS POWER-UP/DOWN RESPONSE POUT
MAX4210/11 toc30
MAX4210/11 toc31
V
= 150mV
SENSE
10V
MAX4211E
V
+
RS
V
CC
2V/div
5V/div
0V
V
SENSE
0V
2.5V
POUT
1V/div
IOUT
2V/div
0V
0V
2ms/div
20ms/div
POUT SMALL-SIGNAL PULSE RESPONSE
RS POWER-UP/DOWN RESPONSE IOUT
MAX4210/11 toc33
MAX4210/11 toc32
10V
V
+
RS
5V/div
V
= 10mV
SENSE
TO 20mV STEP
0V
470pF
LOAD
2.5V
IOUT
1V/div
POUT
100mV/div
0V
10µs/div
20ms/div
______________________________________________________________________________________ ±3
High-Side Power and
Current Monitors
Typical Operating Characteristics (continued)
(V
0V, V
= 5.0V, V
= 25V, V
= 100mV, V = 1V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
RS+
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= 0V, R
= R
= 5kΩ connected to V , T = +25°C, unless otherwise noted.)
COUT2 CC A
INHIBIT
COUT1
POUT LARGE-SIGNAL PULSE RESPONSE
IOUT SMALL-SIGNAL PULSE RESPONSE
MAX4210/11 toc35
MAX4210/11 toc34
470pF
LOAD
V
= 10mV
V
= 10mV
SENSE
TO 90mV STEP
SENSE
TO 20mV STEP
470pF
LOAD
POUT
1V/div
IOUT
100mV/div
10µs/div
10µs/div
POUT SLEW-RATE PULSE RESPONSE
IOUT LARGE-SIGNAL PULSE RESPONSE
MAX4210/11 toc37
MAX4210/11 toc36
NO LOAD
470pF
LOAD
V
= 10mV
SENSE
TO 90mV STEP
V
= 10mV
SENSE
TO 90mV STEP
POUT
1V/div
POUT
1V/div
10µs/div
10µs/div
POUT COMMON-MODE REJECTION RATIO
vs. FREQUENCY
IOUT SLEW-RATE PULSE RESPONSE
MAX4210/11 toc38
-20
-30
-40
-50
-60
-70
-80
-90
NO LOAD
V
= 100mV
SENSE
V
= 10mV
SENSE
TO 90mV STEP
IOUT
1V/div
10µs/div
0.001
0.01
0.1
1
FREQUENCY (MHz)
±4 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Typical Operating Characteristics (continued)
(V
0V, V
= 5.0V, V
= 25V, V
= 100mV, V = 1V, V = 0V, R
= R
= 1MΩ, V
= V
= V
, V
= V
=
CIN2-
CC
RS+
SENSE
IN
LE
IOUT
POUT
CIN1+
CIN2+
REF CIN1-
= 0V, R
= R
= 5kΩ connected to V , T = +25°C, unless otherwise noted.)
COUT2 CC A
INHIBIT
COUT1
POUT SMALL-SIGNAL GAIN
vs. FREQUENCY
POWER-SUPPLY REJECTION
vs. FREQUENCY
IOUT COMMON-MODE REJECTION RATIO
vs. FREQUENCY
30
25
20
15
10
5
0
-10
-20
-30
-40
-50
-60
-70
-80
-20
-30
-40
-50
-60
-70
-80
-90
V
= 100mV
SENSE
V
= 10mV
P-P
SENSE
0
0.001
0.01
0.1
FREQUENCY (MHz)
1
10
10
100
1k
10k
100k
0.001
0.01
0.1
1
FREQUENCY (Hz)
FREQUENCY (MHz)
IOUT SMALL-SIGNAL GAIN
vs. FREQUENCY
POUT LARGE-SIGNAL GAIN
vs. FREQUENCY
30
30
V
= 90mV
P-P
SENSE
V
= 10mV
P-P
SENSE
25
20
15
10
5
25
20
15
10
5
0
0
0.001
0.01
0.1
FREQUENCY (MHz)
1
10
0.001
0.01
0.1
1
FREQUENCY (MHz)
IOUT LARGE-SIGNAL GAIN
vs. FREQUENCY
IN SMALL-SIGNAL GAIN
vs. FREQUENCY
5
30
25
20
15
10
5
V
= 90mV
P-P
SENSE
0
V
= 10mV
P-P
IN
MEASURED AT POUT
V
= 40mV
SENSE
-5
-10
-15
-20
0
0.001
0.01
0.1
1
0.001
0.01
0.1
FREQUENCY (MHz)
1
10
FREQUENCY (MHz)
______________________________________________________________________________________ ±.
High-Side Power and
Current Monitors
MAX4210A/B/C Pin Description
PIN
NꢄME
FUNCTION
6 TDFN
8 µMꢄX
1
2
3
4
5
1
GND
N.C.
Ground
2, 3, 6
No Connection. Not internally connected.
4
5
7
V
Power-Supply Voltage. Connect a 0.1µF bypass capacitor from V
to GND.
CC
CC
RS+
RS-
Power Connection to External-Sense Resistor and Internal Resistor-Divider
Load-Side Connection for External-Sense Resistor
Power Output Voltage. Voltage output proportional to source power (input voltage
multiplied by load current).
6
8
POUT
EP*
EP
—
Exposed Paddle. EP is internally connected to GND.
*TDFN package only.
MAX4210D/E/F Pin Description
PIN
NꢄME
FUNCTION
6 TDFN
8 µMꢄX
1
2
3
4
5
1
2
4
5
7
GND
IN
Ground
Multiplier Input Voltage. Voltage input for internal multiplier.
V
Power-Supply Voltage. Connect a 0.1µF bypass capacitor from V
Power Connection to External-Sense Resistor
to GND.
CC
CC
RS+
RS-
Load-Side Connection for External-Sense Resistor
Power Output Voltage. Voltage output proportional to source power (input voltage
multiplied by load current).
6
8
POUT
EP
—
EP*
Exposed Paddle. EP is internally connected to GND.
No Connection. Not internally connected.
—
3, 6
N.C.
*TDFN package only.
±6 ______________________________________________________________________________________
High-Side Power and
Current Monitors
MAX4211A/B/C Pin Description
PIN
±6 THIN QFN
NꢄME
FUNCTION
±6 TꢂꢂOP
1
2
3
4
V
Power-Supply Voltage. Connect a 0.1µF bypass capacitor from V
No Connection. Not internally connected.
to GND.
CC
CC
N.C.
Latch Enable for Comparator 1. Driving logic low makes the comparator
transparent (regular comparator). Driving logic high latches the output.
3
4
5
5
6
7
LE
COUT1
INHIBIT
Open-Drain Comparator 1 Output. LE and INHIBIT control the comparator 1 output.
INHIBIT for Comparator 1 Output. Driving logic high inhibits the comparator
operation. Drive logic low for normal operation.
6
7
8
COUT2
GND
Open-Drain Comparator 2 Output
Ground
9
8
10
11
12
13
14
CIN2+
CIN2-
CIN1+
CIN1-
REF
Comparator 2 Positive Input
Comparator 2 Negative Input
Comparator 1 Positive Input
Comparator 1 Negative Input
1.21V Internal Reference Output
9
10
11
12
Power Output Voltage. Voltage output proportional to source power (input voltage
multiplied by load current).
13
14
15
16
POUT
IOUT
Current Output Voltage. Voltage output proportional to V
(V
- V ) load
SENSE RS+ RS-
current.
15
16
EP
1
2
RS-
RS+
EP*
Load-Side Connection for External-Sense Resistor
Power Connection to External-Sense Resistor and Internal Resistor-Divider
Exposed Paddle. EP is internally connected to GND.
—
*Thin QFN package only.
______________________________________________________________________________________ ±7
High-Side Power and
Current Monitors
MAX4211D/E/F Pin Description
PIN
NꢄME
FUNCTION
±6 THIN QFN
±6 TꢂꢂOP
1
2
3
4
V
Power-Supply Voltage. Connect a 0.1µF bypass capacitor from V
Multiplier Input Voltage. Voltage input for internal multiplier.
to GND.
CC
CC
IN
Latch Enable for Comparator 1. Driving logic low makes the comparator
transparent (regular comparator). Driving logic high latches the output.
3
4
5
5
6
7
LE
COUT1
INHIBIT
Open-Drain Comparator 1 Output. Output controlled by LE and INHIBIT.
INHIBIT for Comparator 1 Output. Driving logic high inhibits the comparator
operation. Drive logic low for normal operation.
6
7
8
COUT2
GND
Open-Drain Comparator 2 Output
Ground
9
8
10
11
12
13
14
CIN2+
CIN2-
CIN1+
CIN1-
REF
Comparator 2 Positive Input
Comparator 2 Negative Input
Comparator 1 Positive Input
Comparator 1 Negative Input
1.21V Internal Reference Output
9
10
11
12
Power Output Voltage. Voltage output proportional source power (input voltage
multiplied by load current).
13
14
15
16
POUT
IOUT
Current Output Voltage. Voltage output proportional V
current.
(V
- V ) load
SENSE RS+ RS-
15
16
EP
1
2
RS-
RS+
EP*
Load-Side Connection for External-Sense Resistor
Power Connection to External-Sense Resistor
Exposed Paddle. EP is internally connected to GND.
—
*Thin QFN package only.
Functional Diagrams
V
R
V
SENSE
SENSE
SENSE
+
-
+
-
R
SENSE
+
-
+
-
4V TO
28V
4V TO
28V
LOAD
LOAD
RS+
RS-
RS+
RS-
V
V
CC
CC
+
-
+
-
2.7V TO
5.5V
2.7V TO
5.5V
MAX4210D
MAX4210E
MAX4210F
25:1
IN
POUT
POUT
+
-
0 TO 1V
MAX4210A
MAX4210B
MAX4210C
GND
GND
±8 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Functional Diagrams (continued)
V
R
V
SENSE
SENSE
SENSE
+
-
+
-
R
SENSE
+
-
+
-
4V TO
28V
4V TO
28V
LOAD
LOAD
RS+
RS-
RS+
RS-
V
CC
V
CC
+
-
+
-
2.7V TO
5.5V
2.7V TO
5.5V
IOUT
IOUT
25:1
IN
POUT
POUT
+
-
0 TO 1V
REF
REF
1.21V
REFERENCE
1.21V
REFERENCE
INHIBIT
INHIBIT
CIN1+
CIN1+
COUT1
LE
COUT1
LE
CIN1-
CIN2+
CIN1-
CIN2+
COUT2
COUT2
CIN2-
CIN2-
MAX4211A
MAX4211B
MAX4211C
MAX4211D
MAX4211E
MAX4211F
GND
GND
output voltage proportional to that current at IOUT
(MAX4211). This voltage is fed to the analog multiplier
for multiplying the load current with a source voltage to
obtain a voltage proportional to load power at POUT.
Detailed Description
The MAX4210/MAX4211 families of current- and power-
monitoring ICs integrate a precision current-sense
amplifier and an analog multiplier for a variety of cur-
rent and power measurements. The MAX4211 inte-
grates an additional uncommitted 1.21V reference and
two comparators with open-drain outputs. These fea-
tures enable the design of detector circuits for over-
power, overcurrent, overvoltage, or any combination of
fault conditions. The MAX4210/MAX4211 offer various
gains, packages, and configurations allowing for
greater design flexibility and lower overall cost.
Current-Sense Amplifier
The integrated current-sense amplifier is a differential
amplifier that amplifies the voltage across RS+ and RS-.
A sense resistor, R
, is connected across RS+
SENSE
and RS-. A voltage drop across R
is developed
SENSE
when a load current is passed through it. This voltage
is amplified and is proportional to the load current. This
voltage is also fed to the analog multiplier for power-
sensing applications (see the Analog Multiplier sec-
tion). The current-sense amplifiers feature three gain
options: 16.67V/V, 25.0V/V, and 40.96V/V (see Table 1).
These devices monitor the load current with their high-
side current-sense amplifiers and provide an analog
______________________________________________________________________________________ ±9
High-Side Power and
Current Monitors
The common-mode voltage range is +4V to +28V and
independent of the supply voltage. With this feature, the
device can monitor the output current of a high-voltage
source while running at a lower system voltage typically
between 2.7V and 5.5V.
where V
VPOUT
Table 2.
is the voltage across RS+ and RS- and
SENSE
A
is the amplifier gain of the device given in
Internal Comparators (MAX4211)
The MAX4211 features two uncommitted open-drain
output comparators. These comparators can be config-
ured to trip when load current or power reaches a set
limit. They can also be configured as a window com-
parator with wire-OR output. Comparator 1 (COUT1)
features latch-enable (LE) and inhibit (INHIBIT) inputs.
When LE is low, the comparator is transparent (it func-
tions as a regular unlatched comparator). When LE is
high, the comparator output (COUT1) is latched. When
high, the INHIBIT input suspends the comparator oper-
ation and latches the output to the current state. The
operation of INHIBIT is similar to LE, except it has a dif-
ferent input threshold and wider hysteresis. The INHIB-
IT logic-high threshold is 1.21V and logic-low threshold
is 0.6V with 0.6V hysteresis. INHIBIT is useful in pre-
venting the comparator from giving false output during
fast RS+ transients. INHIBIT is generally triggered by
an RC network connected to RS+ (see the Applications
Information). Both comparators have a built-in 300µs
blanking period at power-up to prevent false outputs.
The comparator outputs are open drain and they can
The MAX4211 has a current-sense amplifier output. The
voltage at IOUT is proportional to the voltage across
V
:
SENSE
V
= A
x V
IOUT
VIOUT SENSE
where V
VIOUT
is the voltage across RS+ and RS-, and
SENSE
A
is the amplifier gain of the device given in Table 1.
Analog Multiplier
The MAX4210/MAX4211 integrate an analog multiplier
that enables real-time monitoring of power delivered to
a load. The voltage proportional to the load current is
fed to one input of the multiplier and a voltage propor-
tional to the source voltage is fed to the other. The ana-
log multiplier multiplies these two voltages to obtain an
output voltage proportional to the load power. The ana-
log multiplier is designed only to operate in the positive
quadrant, that is, the inputs and outputs are always
positive voltages.
For the MAX4210D/E/F and MAX4211D/E/F, the analog
multiplier full-scale input at IN is approximately 1V. This
independent multiplier input allows greater design flexi-
bility when using an external voltage-divider. For the
MAX4210A/B/C and MAX4211A/B/C, an integrated volt-
age-divider divides the source voltage at the RS+ pin
by a nominal value of 25 and passes this voltage to the
multiplier. Thus, the full-scale input voltage at RS+ is
25V. The integrated, trimmed resistor-dividers reduce
external component count and cost.
be pulled up to V , RS+, or any voltage less than
CC
+28V. LE and INHIBIT are internally pulled down by a
1µA source.
Table 21 MꢄX42±0/MꢄX42±± Power-ꢂenꢃe
ꢄmplifier Gain and Full-ꢂAale ꢂenꢃe
Voltage
The voltage output at POUT is proportional to the output
power:
POWER-ꢂENꢂE
ꢄMPLIFIER GꢄIN
FULL-ꢂCꢄLE
ꢂENꢂE VOLTꢄGE
ꢀmVx
For the MAX4210A/B/C and MAX4211A/B/C:
PꢄRT
ꢀꢄ
, ±/Vx
VPOUT
V
= A
x V
x V
POUT
VPOUT
SENSE RS+
MAX4210A
MAX4210B
MAX4210C
MAX4210D
MAX4210E
MAX4210F
MAX4211A
MAX4211B
MAX4211C
MAX4211D
MAX4211E
MAX4211F
0.667
1.000
150
150
100
150
150
100
150
150
100
150
150
100
For the MAX4210D/E/F and MAX4211D/E/F:
= A x V x V
IN
V
POUT
VPOUT
SENSE
1.640
Table ±1 MꢄX42±± Current-ꢂenꢃe
ꢄmplifier Gain and Full-ꢂAale ꢂenꢃe
Voltage
16.670
25.000
40.960
0.667
CURRENT-ꢂENꢂE
ꢄMPLIFIER GꢄIN
FULL-ꢂCꢄLE
ꢂENꢂE VOLTꢄGE
ꢀmVx
PꢄRT
1.000
ꢀꢄ
, V/Vx
VIOUT
1.640
MAX4211A/D
MAX4211B/E
MAX4211C/F
16.67
150
150
100
16.670
25.000
40.960
25.00
40.96
20 ______________________________________________________________________________________
High-Side Power and
Current Monitors
the comparators’ inputs. This is the comparison refer-
ence voltage. If a lower reference voltage is needed,
use an external voltage-divider. The reference can
source or sink a load current up to 100µA.
Internal Reference (MAX4211)
The MAX4211 features a 1.21V bandgap reference out-
put, stable over supply voltage and temperature.
Typically, the reference output is connected to one of
Typical Operating Circuit
V
R
SENSE
SENSE
+
-
+
-
4V TO
28V
LOAD
RS+
RS-
V
CC
+
-
2.7V TO
5.5V
IOUT
C1
25:1
POUT
REF
R
P
1.21V
REFERENCE
R7
V
PULLUP
PULLUP
INHIBIT
CIN1+
R3
R1
R2
COUT1
LE
CIN1-
CIN2+
V
R6
R4
COUT2
CIN2-
MAX4211A
MAX4211B
MAX4211C
R5
GND
______________________________________________________________________________________ 2±
High-Side Power and
Current Monitors
when the current is inside the current window and low
when the current is outside the window. Note that
COUT1 and COUT2 are wire-ORed together.
Applications Information
Recommended Component Values
Ideally, the maximum load current develops the full-
scale sense voltage across the current-sense resistor.
Choose the gain version needed to yield the maximum
current-sense amplifier output voltage without saturat-
ing it. The typical high-side saturation voltage is about
Overpower Circuit Breaker
Figure 2 shows a circuit breaker that shuts off current to
the load when an overpower fault is detected (the same
circuit can be used to detect overcurrent conditions by
connecting the R1-R2 resistor-divider to IOUT, instead
of POUT). This circuit is useful for protecting the battery
from short-circuit or overpower conditions. When a
power fault is detected, the P-MOSFET, M1, is turned
off and stays off until the manual reset button is
pressed. Also, cycling the input power causes the LE
pin to go low, which unlatches the comparator output
OUT1 and resets the circuit breaker.
V
- 0.25V. The current-sense amplifier output voltage
CC
is given by:
VIOUT = VSENSE x AVIOUT
where V
or at IOUT. V
is the voltage fed to the analog multiplier
IOUT
is the sense voltage. A
is the
SENSE
VIOUT
current-sense amplifier gain of the device specified in
Table 1. Calculate the maximum value for R so
SENSE
During power-up or when the characteristics of the load
change, there can be an inrush current into the load. The
temporary inrush current results in a higher voltage at
POUT. This can bring the voltage at CIN+ above the ref-
erence voltage at CIN-, and, as a result, COUT1 goes
high triggering the circuit-breaker function. This unwanted
behavior can be disabled by bringing comparator 1’s
INHIBIT input high. An RC network connected to INHIBIT
(R4 and C1) can be incorporated to suspend comparator
1’s operation for a brief period. In this way, short surges in
load power can be made invisible to the circuit-breaker
function, while longer term overpower load demands (or a
load short circuit) still “trip the breaker.”
the differential voltage across RS+ and RS- does not
exceed the full-scale sense voltage:
V
SENSE(FULL−SCALE)
R
=
SENSE
I
LOAD(FULL−SCALE)
Choose the highest value resistance possible to maxi-
mize V and thus minimize total output error. In
SENSE
applications monitoring high current, ensure that
R
is able to dissipate its own I2R power dissipa-
SENSE
tion. If the resistor’s power dissipation is exceeded, its
value can drift or it can fail altogether, causing a differ-
ential voltage across the terminals in excess of the
absolute maximum ratings. Use resistors specified for
current-sensing applications.
The logic-high threshold for INHIBIT is typically 1.2V,
and the logic-low threshold is 0.6V. During power-up,
INHIBIT quickly exceeds 1.2V through C1 and inhibits
COUT1 from changing state. The comparator inputs are
“inhibited” until the INHIBIT voltage is discharged to
0.6V. R3 is a current-limiting resistor, typically 10kΩ,
which protects the INHIBIT input. Since INHIBIT is a
high-impedance input, R3 has no effect on the R4-C1
charge/discharge time. The time during which the com-
parator is suspended is approximated by:
Window Comparator
In some applications where undercurrent or underpow-
er (open-circuit fault) and overcurrent or overpower
(short-circuit fault) needs to be monitored, a window
comparator is desirable. Figure 1 shows a simple circuit
suitable for window detection. Let P
be the mini-
OVER
mum load power required to cause a low state at
COUT2, and let P be the maximum load current
∆V
0.6V
UNDER
t
= R × C1 In
4
INHIBIT
required to cause a high state at COUT1:
where ∆V is the voltage change at the load. For
improved transient immunity, t can be increased
as required, with the understanding that the breaker
function will be suspended for this period.
V
R1 + R
REF
× R
2
P
(WATTS) =
(WATTS) =
INHIBIT
UNDER
A
R
2
VPOUT
SENSE
5
V
R4 + R
REF
× R
P
OVER
If any comparator is not used, its input must be biased
A
R
5
VPOUT
SENSE
to a known state. For example, connect CIN+ to V
and CIN- to GND.
CC
where A
in Table 2, and V
is the power-sense amplifier gain given
VPOUT
is the internal reference voltage
REF
(1.2V, typ). The resulting comparator output is high
22 ______________________________________________________________________________________
High-Side Power and
Current Monitors
V
R
SENSE
+
-
SENSE
+
-
4V TO
28V
LOAD
RS+
RS-
V
CC
+
-
2.7V TO
5.5V
IOUT
25:1
POUT
REF
1.21V
REFERENCE
V
PULLUP
R1
R2
INHIBIT
CIN1+
COUT1
LE
CIN1-
CIN2+
R4
COUT2
OVER/
UNDERPOWER
CIN2-
MAX4211A
MAX4211B
MAX4211C
R5
GND
Figure 1. Window Comparator for Detecting Underpower and Overpower Faults (Also Detects Undercurrent and Overcurrent Faults
by R1 and R4 to IOUT Instead of POUT)
power accurately, choose the MAX4210D/E/F and
MAX4211D/E/F with an external resistor-divider con-
nected directly to the load as shown in Figure 4. This
configuration improves the load-power measurement
accuracy by excluding the additional power dissipated
Variable-Gain Amplifier
Figure 3 shows single-ended input, variable-gain ampli-
fiers (VGA). This VGA features more than 200kHz band-
width and is useful in automatic gain-control circuits
commonly found in baseband processors. The gain is
by R
.
controlled by applying 0 to 1V to IN (V ) of the
GC
SENSE
MAX4210D/E/F; 0V corresponds to minimum gain and
1V corresponds to maximum gain.
Power-Supply Bypassing
to GND with a 0.1µF ceramic capacitor to
Bypass V
CC
Measure Load Power
The MAX4210A/B/C and MAX4211A/B/C have internal
voltage-divider resistors connected to RS+ and the
analog multiplier input. This configuration measures
source power accurately and provides protection to the
power source such as a battery. To measure the load
isolate the IC from supply-voltage transients. To pre-
vent high-frequency coupling, bypass RS+ or RS- with
a 0.1µF capacitor. On the TDFN and thin QFN pack-
ages, there is an exposed paddle that does not carry
any current, but should also be connected to the
ground plane for rated power dissipation.
______________________________________________________________________________________ 23
High-Side Power and
Current Monitors
V
R
SENSE
SENSE
+
-
M1
+
-
4V TO
28V
LOAD
R5
RS+
RS-
V
CC
+
-
2.7V TO
5.5V
IOUT
C1
25:1
POUT
R3
REF
1.21V
REFERENCE
R4
R1
R2
INHIBIT
CIN1+
COUT1
LE
CIN1-
CIN2+
COUT2
CIN2-
RESET
(FROM µC)
MANUAL
RESET
MAX4211A
MAX4211B
MAX4211C
GND
Figure 2. Overpower Circuit Breaker (For a Detailed Example, Refer to the MAX4211E EV Kit)
24 ______________________________________________________________________________________
High-Side Power and
Current Monitors
V
CC
MAX4210D/E/F
RS+
RS-
POUT
R
2
OUTPUT
V
= V
✕
OUTPUT
(R /R ) ✕ A
INPUT
✕ V
IN
IN
2
1
VPOUT
INPUT
V
IN
GAIN CONTROL
(0 TO 1V)
R
1
Figure 3. Single-Ended-Input, Variable-Gain Amplifier
V
R
SENSE
+
-
SENSE
+
-
4V TO
28V
RS+
RS-
LOAD
V
CC
+
-
2.7V TO
5.5V
MAX4210D/E/F
MAX4211D/E/F
POUT
IN
GND
Figure 4. Load-Power Measurement with External Voltage-Divider
______________________________________________________________________________________ 2.
High-Side Power and
Current Monitors
Selector Guide
PIN-
PꢄRT
PꢄCKꢄGE
MAX4210AETT
MAX4210AEUA 8 µMAX
MAX4210BETT 6 TDFN
MAX4210BEUA 8 µMAX
MAX4210CETT 6 TDFN
MAX4210CEUA 8 µMAX
MAX4210DETT 6 TDFN
MAX4210DEUA 8 µMAX
MAX4210EETT 6 TDFN
MAX4210EEUA 8 µMAX
MAX4210FETT 6 TDFN
MAX4210FEUA 8 µMAX
6 TDFN
—
—
0.667
0.667
P
P
None
None
None
None
None
None
None
None
None
None
None
None
2
N
N
N
N
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
INT
INT
INT
INT
INT
INT
EXT
EXT
EXT
EXT
EXT
EXT
INT
INT
INT
INT
INT
INT
EXT
EXT
EXT
EXT
EXT
EXT
150
150
150
150
100
100
150
150
150
150
100
100
150
150
150
150
100
100
150
150
150
150
100
100
—
1.000
P
—
1.000
P
—
1.640
P
—
1.640
P
—
16.670
16.670
25.000
25.000
40.960
40.960
0.667
P
—
P
—
P
—
P
—
P
—
P
MAX4211AETE
16 Thin QFN
16.67
16.67
25.00
25.00
40.96
40.96
16.67
16.67
25.00
25.00
40.96
40.96
C/P
C/P
C/P
C/P
C/P
C/P
C/P
C/P
C/P
C/P
C/P
C/P
MAX4211AEUE 16 TSSOP
0.667
2
MAX4211BETE
MAX4211BEUE 16 TSSOP
MAX4211CETE 16 Thin QFN
MAX4211CEUE 16 TSSOP
MAX4211DETE 16 Thin QFN
MAX4211DEUE 16 TSSOP
MAX4211EETE 16 Thin QFN
MAX4211EEUE 16 TSSOP
16 Thin QFN
1.000
2
1.000
2
1.640
2
1.640
2
16.670
16.670
25.000
25.000
40.960
40.960
2
2
2
2
MAX4211FETE
MAX4211FEUE
16 Thin QFN
16 TSSOP
2
2
C = Current Measurement Output Available (IOUT).
P = Power Measurement Output Available (POUT).
Y = Yes.
N = No.
INT = Internal Resistor-Divider.
EXT = External Input Pin.
26 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Ordering Information (continued)
Chip Information
MAX4210 TRANSISTOR COUNT: 515
MAX4211 TRANSISTOR COUNT: 1032
PROCESS: BiCMOS
TOP
MꢄRK
PꢄRT
TEMP RꢄNGE PIN-PꢄCKꢄGE
6 TDFN-6-EP*
-40°C to +85°C
MAX4210BETT
MAX4210BEUA
MAX4210CETT
MAX4210CEUA
MAX4210DETT
MAX4210DEUA
MAX4210EETT
MAX4210EEUA
MAX4210FETT
MAX4210FEUA
MꢄX42±±AETE
MAX4211AEUE
MAX4211BETE
MAX4211BEUE
MAX4211CETE
MAX4211CEUE
MAX4211DETE
MAX4211DEUE
MAX4211EETE
MAX4211EEUE
MAX4211FETE
MAX4211FEUE
AHG
—
(3mm x 3mm)
-40°C to +85°C 8 µMAX
6 TDFN-6-EP*
-40°C to +85°C
AHH
—
(3mm x 3mm)
-40°C to +85°C 8 µMAX
6 TDFN-6-EP*
-40°C to +85°C
AHI
—
(3mm x 3mm)
-40°C to +85°C 8 µMAX
6 TDFN-6-EP*
-40°C to +85°C
AHJ
—
(3mm x 3mm)
-40°C to +85°C 8 µMAX
6 TDFN-6-EP*
-40°C to +85°C
AHK
—
(3mm x 3mm)
-40°C to +85°C 8 µMAX
16 Thin QFN-EP*
-40°C to +85°C
—
(4mm x 4mm)
-40°C to +85°C 16 TSSOP
—
16 Thin QFN-EP*
-40°C to +85°C
—
(4mm x 4mm)
-40°C to +85°C 16 TSSOP
—
16 Thin QFN-EP*
-40°C to +85°C
—
(4mm x 4mm)
-40°C to +85°C 16 TSSOP
—
16 Thin QFN-EP*
-40°C to +85°C
—
(4mm x 4mm)
-40°C to +85°C 16 TSSOP
—
16 Thin QFN-EP*
-40°C to +85°C
—
(4mm x 4mm)
-40°C to +85°C 16 TSSOP
—
16 Thin QFN-EP*
-40°C to +85°C
—
(4mm x 4mm)
-40°C to +85°C 16 TSSOP
—
*EP = Exposed paddle.
______________________________________________________________________________________ 27
High-Side Power and
Current Monitors
Pin Configurations
TOP VIEW
5
4
6
GND
(IN) N.C.
N.C.
1
2
3
4
8
7
6
5
POUT
RS-
MAX4210
MAX4210
N.C.
RS+
V
CC
µMꢄX
1
2
3
3mm ꢁ 3mm TDFN
9
12
10
11
RS-
RS+
1
2
3
4
5
6
7
8
16 IOUT
15 POUT
14 REF
POUT
13
14
15
16
8
CIN2+
V
CC
IOUT
RS-
7
6
5
GND
(IN) N.C.
LE
MAX4211
13 CIN1-
12 CIN1+
11 CIN2-
10 CIN2+
MAX4211
COUT2
INHIBIT
COUT1
INHIBIT
COUT2
RS+
9
GND
1
2
3
4
TꢂꢂOP
4mm ꢁ 4mm THIN QFN
( ) ARE FOR MAX421_D/E/F.
28 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www1maꢁim-iA1Aom/paAkageꢃ.)
D2
D
A2
PIN 1 ID
N
0.35x0.35
b
[(N/2)-1] x e
REF.
PIN 1
INDEX
AREA
E
E2
DETAIL A
e
A1
k
C
C
L
L
A
L
L
e
e
PACKAGE OUTLINE, 6,8,10 & 14L,
TDFN, EXPOSED PAD, 3x3x0.80 mm
1
-DRAWING NOT TO SCALE-
21-0137
G
2
COMMON DIMENSIONS
SYMBOL
MIN.
0.70
2.90
2.90
0.00
0.20
MAX.
0.80
3.10
3.10
0.05
0.40
A
D
E
A1
L
k
0.25 MIN.
0.20 REF.
A2
PACKAGE VARIATIONS
DOWNBONDS
ALLOWED
PKG. CODE
T633-1
N
6
D2
E2
e
JEDEC SPEC
b
[(N/2)-1] x e
1.90 REF
1.90 REF
1.95 REF
1.95 REF
1.95 REF
2.00 REF
2.40 REF
2.40 REF
1.50–0.10 2.30–0.10 0.95 BSC
1.50–0.10 2.30–0.10 0.95 BSC
1.50–0.10 2.30–0.10 0.65 BSC
1.50–0.10 2.30–0.10 0.65 BSC
1.50–0.10 2.30–0.10 0.65 BSC
MO229 / WEEA
MO229 / WEEA
MO229 / WEEC
MO229 / WEEC
MO229 / WEEC
0.40–0.05
0.40–0.05
0.30–0.05
0.30–0.05
0.30–0.05
NO
NO
T633-2
6
T833-1
8
NO
T833-2
8
NO
T833-3
8
YES
NO
T1033-1
T1433-1
T1433-2
10
14
14
1.50–0.10 2.30–0.10 0.50 BSC MO229 / WEED-3 0.25–0.05
1.70–0.10 2.30–0.10 0.40 BSC
1.70–0.10 2.30–0.10 0.40 BSC
- - - -
- - - -
0.20–0.05
0.20–0.05
YES
NO
PACKAGE OUTLINE, 6,8,10 & 14L,
TDFN, EXPOSED PAD, 3x3x0.80 mm
2
-DRAWING NOT TO SCALE-
21-0137
G
2
NOTE: THE TDFN EXPOSED PADDLE SIZE-VARIATION PACKAGE CODE: T633-1
______________________________________________________________________________________ 29
High-Side Power and
Current Monitors
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www1maꢁim-iA1Aom/paAkageꢃ.)
PACKAGE OUTLINE,
12, 16, 20, 24, 28L THIN QFN, 4x4x0.8mm
1
21-0139
D
2
PACKAGE OUTLINE,
12, 16, 20, 24, 28L THIN QFN, 4x4x0.8mm
2
21-0139
D
2
NOTE: THE THIN QFN EXPOSED PADDLE SIZE-VARIATION PACKAGE CODE: T1644-4
30 ______________________________________________________________________________________
High-Side Power and
Current Monitors
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www1maꢁim-iA1Aom/paAkageꢃ.)
4X S
8
8
MILLIMETERS
INCHES
DIM MIN
MAX
MAX
MIN
-
-
0.043
0.006
0.037
0.014
0.007
0.120
1.10
0.15
0.95
0.36
0.18
3.05
A
0.002
0.030
0.010
0.005
0.116
0.05
0.75
0.25
0.13
2.95
A1
A2
b
E
H
fl 0.50–0.1
c
D
e
0.0256 BSC
0.65 BSC
0.6–0.1
E
H
0.116
0.188
0.016
0
0.120
2.95
4.78
0.41
0
3.05
5.03
0.66
6
0.198
0.026
6
L
α
S
1
1
0.6–0.1
0.0207 BSC
0.5250 BSC
D
BOTTOM VIEW
TOP VIEW
A1
A2
A
c
α
e
L
b
SIDE VIEW
FRONT VIEW
PROPRIETARY INFORMATION
TITLE:
PACKAGE OUTLINE, 8L uMAX/uSOP
APPROVAL
DOCUMENT CONTROL NO.
REV.
1
21-0036
J
1
______________________________________________________________________________________ 3±
High-Side Power and
Current Monitors
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www1maꢁim-iA1Aom/paAkageꢃ.)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
32 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2005 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products, Inc.
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