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MAX4072ATA

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
CategoryAnalog mixed-signal IC    The signal circuit   
File Size380KB,16 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Related ProductsFound3parts with similar functions to MAX4072ATA
Download Datasheet Parametric Compare View All

MAX4072ATA Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8

MAX4072ATA Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeQFN
package instruction3 X 3 MM, 0.80 MM HEIGHT, EXPOSED PAD, QFN-8
Contacts8
Reach Compliance Code_compli
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeS-XDSO-N8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC8,.12,25
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)240
power supply2.7/24 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)0.25 mA
Maximum supply voltage (Vsup)24 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)12 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formNO LEAD
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
19-2423; Rev 2; 1/03
Bidirectional, High-Side, Current-Sense
Amplifiers with Reference
General Description
The MAX4069–MAX4072 low-cost, bidirectional, high-
side, current-sense amplifiers are ideal for monitoring
battery charge and discharge currents in notebooks,
cell phones, and other portable equipment. They fea-
ture up to 24V input common-mode voltage range, low
100µA supply current (which drops to only 10µA in
shutdown), and a total output error of less than 1.5%.
The wide 1.35V to 24V input common-mode range is
independent of the supply voltage, ensuring that the
current-sense feedback remains accurate even when
connected to a battery pack in deep discharge.
To achieve maximum flexibility, an external current-sense
resistor is used along with a Gain Select pin to choose
either 50V/V or 100V/V. A single output pin continuously
monitors the transition from charge to discharge and
avoids the need for a separate polarity output. The
MAX4070 contains an internal 2.5V reference. The
charging current is represented by an output voltage
from 2.5V to V
CC
, while discharge current is given from
2.5V to GND. The MAX4071 is similar, but with a refer-
ence voltage of 1.5V. The MAX4069 has an adjustable
reference voltage, set by two external resistors. The
MAX4072 has an input for an external reference.
The MAX4069/MAX4071/MAX4072 operate from a 2.7V to
24V single supply. The MAX4070 operates from a 3.6V to
24V single supply. All devices are specified over the
automotive operating temperature range, -40°C to
+125°C. The MAX4070/MAX4071/MAX4072 are available
in 8-pin µMAX and 8-pin thin QFN packages. The
MAX4069 is available in a 10-pin µMAX package.
o
Total Output Error Less than 1.5%
o
Selectable Gain of 50V/V or 100V/V
o
Wide 1.35V to 24V Common-Mode Range
Independent of Supply Voltage
o
2.7V to 24V Single-Supply Operation
o
Internal Precision Reference
Adjustable (MAX4069)
2.50V (MAX4070)
1.50V (MAX4071)
o
Low 100µA Supply Current
o
10µA Supply Current in Shutdown
o
Available in Space-Saving Packages
8-Pin Thin QFN (MAX4070/MAX4071/MAX4072)
8-Pin µMAX (MAX4070/MAX4071MAX4072)
10-Pin µMAX (MAX4069)
Features
o
Bidirectional, Compact, Current-Sense Solution
MAX4069–MAX4072
Ordering Information
PART
MAX4069AUB
MAX4070AUA
MAX4070ATA
MAX4071AUA
MAX4071ATA
MAX4072AUA
MAX4072ATA
TEMP RANGE
PIN-PACKAGE
TOP
MARK
ABN
ABO
ABP
-40°C to +125°C 10 µMAX
-40°C to +125°C 8 µMAX
-40°C to +125°C 8 Thin QFN-EP*
-40°C to +125°C 8 µMAX
-40°C to +125°C 8 Thin QFN-EP*
-40°C to +125°C 8 µMAX
-40°C to +125°C 8 Thin QFN-EP*
Applications
Notebook Fuel Gauging
Smart-Battery Packs/Chargers
Motor Control
Power-Management Systems
Cell-Phone Battery-Current Monitoring
*EP
= Exposed paddle.
Typical Operating Circuit
FROM BATTERY
CHARGER
R
SENSE
V
BATT
= 1.35V TO 24V
RS-
RS+
Selector Guide
PART
MAX4069
MAX4070
MAX4071
MAX4072
REFERENCE
ADJUSTABLE
2.5V
1.5V
EXTERNAL
SUPPLY
VOLTAGE
RANGE (V)
2.7 to 24
3.6 to 24
2.7 to 24
2.7 to 24
COMMON-
MODE RANGE
(V)
1.35 to 24
1.35 to 24
1.35 to 24
1.35 to 24
V
CC
= 3.6V TO 24V
V
CC
LOAD
MAX4070
GSEL
OUT
TO ADC
SHDN
GND
REFOUT
2.5V
Pin Configurations appear at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
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.

MAX4072ATA Related Products

MAX4072ATA MAX4069-MAX4072 MAX4072
Description 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
Number of functions 1 1 1
Number of terminals 8 8 8
Maximum operating temperature 125 °C 125 Cel 125 Cel
Minimum operating temperature -40 °C -40 Cel -40 Cel
surface mount YES Yes Yes
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal form NO LEAD GULL WING GULL WING
Terminal location DUAL DUAL DUAL
Maximum supply/operating voltage - 24 V 24 V
Minimum supply/operating voltage - 2.7 V 2.7 V
Rated supply voltage - 12 V 12 V
Processing package description - MO-187CAA, MICRO, SOP-8 MO-187CAA, MICRO, SOP-8
state - ACTIVE ACTIVE
Craftsmanship - BICMOS BICMOS
packaging shape - SQUARE SQUARE
Package Size - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Terminal spacing - 0.6500 mm 0.6500 mm
terminal coating - TIN LEAD TIN LEAD
Packaging Materials - PLASTIC/EPOXY PLASTIC/EPOXY
Number of channels - 1 1
Analog IC other types - POWER SUPPLY SUPPORT CKT POWER SUPPLY SUPPORT CKT

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