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MAX4372HEUK

Description
Power Management Circuit, BICMOS, PDSO5
CategoryPower/power management    The power supply circuit   
File Size216KB,11 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX4372HEUK Overview

Power Management Circuit, BICMOS, PDSO5

MAX4372HEUK Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOT-23
Contacts5
Reach Compliance Codenot_compliant
Factory Lead Time1 week
JESD-30 codeR-PDSO-G5
JESD-609 codee0
Humidity sensitivity level1
Number of terminals5
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
power supply2.7/28 V
Certification statusNot Qualified
Maximum supply current (Isup)0.06 mA
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
19-1548; Rev 4; 7/09
Low-Cost, UCSP/SOT23, Micropower, High-Side
Current-Sense Amplifier with Voltage Output
General Description
The MAX4372 low-cost, precision, high-side current-
sense amplifier is available in a tiny, space-saving
SOT23-5-pin package. Offered in three gain versions
(T = 20V/V, F = 50V/V, and H = 100V/V), this device
operates from a single 2.7V to 28V supply and con-
sumes only 30µA. It features a voltage output that elimi-
nates the need for gain-setting resistors and is 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 bat-
tery-powered systems since it does not interfere with
the ground path of the battery charger. The input com-
mon-mode range of 0 to 28V is independent of the sup-
ply voltage and ensures that the current-sense
feedback remains viable even when connected to a
2-cell battery pack in deep discharge.
The user can set the full-scale current reading by
choosing the device (T, F, or H) with the desired volt-
age gain and selecting the appropriate external sense
resistor. This capability offers a high level of integration
and flexibility, resulting in a simple and compact cur-
rent-sense solution. For higher bandwidth applications,
refer to the MAX4173T/F/H data sheet.
o
30µA Supply Current
o
2.7V to 28V Operating Supply
o
0.18% Full-Scale Accuracy
o
0.3mV Input Offset Voltage
o
Low 1.5Ω Output Impedance
o
Three Gain Versions Available
20V/V (MAX4372T)
50V/V (MAX4372F)
100V/V (MAX4372H)
o
High Accuracy
+2V
to +28V Common-Mode
Range, Functional Down to 0V, Independent of
Supply Voltage
o
Available in a Space-Saving 5-Pin SOT23 Package
and 3 x 2 UCSP™ (1mm x 1.5mm) Package
Features
o
Low-Cost, Compact Current-Sense Solution
MAX4372T/F/H
Ordering Information
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
5 SOT23-5
8 SO
3 x 2 UCSP
TOP
MARK
ADIU
ACX
Applications
Power-Management Systems
General-System/Board-Level Current Monitoring
Notebook Computers
Portable/Battery-Powered Systems
Smart-Battery Packs/Chargers
Cell Phones
Precision-Current Sources
MAX4372TEUK-T
MAX4372TESA
MAX4372TEBT-T
Note:
Gain values are as follows: 20V/V for the T version, 50V/V
for the F version, and 100V/V for the H version.
Ordering Information continued at end of datasheet.
Typical Operating Circuit
Pin Configurations
I
LOAD
GND
RS-
TOP VIEW
TOP VIEW
(BUMPS ON BOTTOM)
1
2
GND
3
5
RS-
A
V
CC
OUT
MAX4372T/F/H
A/D
CONVERTER
OUT
R
SENSE
V
SENSE
GND
1
LOAD/
BATTERY
OUT
2
MAX4372T/F/H
MAX4372T/F/H
B
RS+
RS-
V
CC
+2.7V TO +28V
0.1μF
V
CC
V
CC
RS+
V
IN
0 TO 28V
3
4
RS+
UCSP
SOT23-5
Pin Configurations continued at end of datasheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
1
________________________________________________________________
Maxim Integrated Products
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.

MAX4372HEUK Related Products

MAX4372HEUK MAX4372FEUK+ MAX4372HEUK+ MAX4372TEBT+ MAX4372HEBT MAX4372FEBT+
Description Power Management Circuit, BICMOS, PDSO5 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178-AA, SOT-23, 5 PIN Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO5, ROHS COMPLIANT, MO-178AA, SOT-23, 5 PIN Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PBGA6, 1 X 1.50 MM, UCSP-6 Power Management Circuit, BICMOS, PBGA6 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PBGA6, 1 X 1.50 MM, ROHS COMPLIANT, UCSP-6
Is it Rohs certified? incompatible conform to conform to conform to incompatible conform to
Reach Compliance Code not_compliant compliant compliant compliant not_compliant compliant
JESD-30 code R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PBGA-B6 R-PBGA-B6 R-PBGA-B6
Number of terminals 5 5 5 6 6 6
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TSOP LSSOP LSSOP VFBGA FBGA VFBGA
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, THIN PROFILE SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH GRID ARRAY, VERY THIN PROFILE, FINE PITCH GRID ARRAY, FINE PITCH GRID ARRAY, VERY THIN PROFILE, FINE PITCH
surface mount YES YES YES YES YES YES
technology BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal form GULL WING GULL WING GULL WING BALL BALL BALL
Terminal pitch 0.95 mm 0.95 mm 0.95 mm 0.5 mm 0.5 mm 0.5 mm
Terminal location DUAL DUAL DUAL BOTTOM BOTTOM BOTTOM
Is it lead-free? Contains lead Lead free - Lead free Contains lead -
Parts packaging code SOT-23 SOIC - BGA SOT-23 -
Contacts 5 5 - 6 5 -
Factory Lead Time 1 week 1 week - 12 weeks - 12 weeks
JESD-609 code e0 e3 e3 - e0 -
Humidity sensitivity level 1 1 1 1 1 -
Encapsulate equivalent code TSOP5/6,.11,37 TSOP5/6,.11,37 - BGA6,2X3,20 BGA6,2X3,20 -
power supply 2.7/28 V 2.7/28 V - 2.7/28 V 2.7/28 V -
Certification status Not Qualified Not Qualified - Not Qualified Not Qualified -
Maximum supply current (Isup) 0.06 mA 0.06 mA - 0.06 mA 0.06 mA -
Terminal surface Tin/Lead (Sn85Pb15) Matte Tin (Sn) Matte Tin (Sn) - Tin/Lead (Sn63Pb37) -
package instruction - LSSOP, TSOP5/6,.11,37 LSSOP, VFBGA, BGA6,2X3,20 - VFBGA,
ECCN code - EAR99 EAR99 EAR99 EAR99 EAR99
Adjustable threshold - NO NO NO - NO
Analog Integrated Circuits - Other Types - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT
length - 2.9 mm 2.9 mm 1.52 mm - 1.52 mm
Number of channels - 1 1 1 - 1
Number of functions - 1 1 1 - 1
Maximum seat height - 1.45 mm 1.45 mm 0.67 mm - 0.67 mm
Maximum supply voltage (Vsup) - 28 V 28 V 28 V - 28 V
Minimum supply voltage (Vsup) - 2.7 V 2.7 V 2.7 V - 2.7 V
Nominal supply voltage (Vsup) - 12 V 12 V 12 V - 12 V
width - 1.625 mm 1.625 mm 1 mm - 1 mm
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