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MAX4375HEUB+

Description
current sense amplifiers upower high-side current-sense amp
CategoryAnalog mixed-signal IC    The signal circuit   
File Size284KB,13 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX4375HEUB+ Overview

current sense amplifiers upower high-side current-sense amp

MAX4375HEUB+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Parts packaging codeSOIC
package instructionTSSOP, TSSOP10,.19,20
Contacts10
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time6 weeks
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeS-PDSO-G10
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP10,.19,20
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply2.7/28 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply current (Isup)0.1 mA
Maximum supply voltage (Vsup)28 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)12 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
Base Number Matches1
19-1630; Rev 4; 1/11
KIT
ATION
EVALU
E
BL
AVAILA
Low-Cost, Micropower, High-Side Current-Sense
Amplifier + Comparator + Reference ICs
General Description
The MAX4373/MAX4374/MAX4375 low-cost, micropow-
er, high-side current-sense supervisors contain a high-
side current-sense amplifier, bandgap reference, and
comparator with latching output. They feature a voltage
output that eliminates the need for gain-setting resistors,
making them ideal for today’s notebook computers, cell
phones, and other systems where battery/DC current
monitoring is critical. High-side current monitoring is
especially useful in battery-powered systems since it
does not interfere with the ground path of the battery
charger. The 0 to +28V input common-mode range is
independent of the supply voltage, which ensures that
the current-sense feedback remains viable even when
connected to a battery pack in deep discharge.
The comparator output of the MAX4373/MAX4374/
MAX4375 is latched to provide a turn-off flag that
doesn’t oscillate. In addition, the MAX4374/MAX4375
contain a second comparator for use in window-detec-
tion functions. The MAX4373/MAX4374/MAX4375 are
available in three different gain versions (T = +20V/V,
F = +50V/V, H = +100V/V) and use an external sense
resistor to set the sensitivity of the input voltage to the
load current. These features offer a high level of inte-
gration, resulting in a simple and compact current-
sense solution.
The MAX4373/MAX4374/MAX4375 operate from a sin-
gle +2.7V to +28V supply and consume 50µA. They are
specified for the extended operating temperature range
(-40°C to +85°C) and are available in 8-pin and 10-pin
µMAX® packages.
50µA Supply Current
Single +2.7V to +28V Operating Supply
1mV (max) Input Offset Voltage
2% (max) Full-Scale Accuracy
Internal Bandgap Reference (±1.6% Accuracy)
Latching Comparator Output
Three Gain Versions Available (+20V/V, +50V/V,
+100V/V)
High Accuracy +2V to +28V Common-Mode
Range, Functional Down to 0V, Independent of
Supply Voltage
Features
Current-Sense Amplifier plus Internal Comparator
and Bandgap Reference with Improved Accuracy
MAX4373/MAX4374/MAX4375
Ordering Information
PART
MAX4373TEUA+
MAX4373TESA+
MAX4373FEUA+
MAX4373FESA+
MAX4373HEUA+
TEMP RANGE
-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
PIN-
PACKAGE
8 µMAX
8 SO
8 µMAX
8 SO
8 µMAX
GAIN
(V/V)
+20
+20
+50
+50
+100
MAX4373HESA+ -40°C to +85°C 8 SO
+100
+Denotes
a lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Applications
Notebook Computers
Portable/Battery-Powered Systems
Smart Battery Packs/Chargers
Cell Phones
Power-Management Systems
General-System/Board-Level Current Monitoring
Precision Current Sources
Typical Operating Circuit
+ V
SENSE
-
V
IN
= 0 TO 28V
R
SENSE
RS+
V
CC
= 2.7V TO 28V
C1
0.1µF
V
CC
RS-
LOAD/
BATTERY
I
LOAD
MAX4373
OUT
V
PULL-UP
(UP TO 5V)
R3
COUT
CIN
R1
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
RESET
GND
R2
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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