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MM1332 Datasheet(PDF) 1 Page - Mitsumi Electronics, Corp.

Part No. MM1332
Description  Control of Lithium Ion Batteries Charging
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Maker  MITSUMI [Mitsumi Electronics, Corp.]
Homepage  https://www.mitsumi.co.jp/index_e.html
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MM1332 Datasheet(HTML) 1 Page - Mitsumi Electronics, Corp.

   
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MITSUMI
Control of Lithium Ion Batteries Charging MM1332
Control of Lithium Ion Batteries Charging
Monolithic IC MM1332
Outline
This IC is a high precision constant voltage constant current power source controller for lithium ion batteries
serving as power drivers for P-MOS FET. It was developed for use with one to three cell chargers, and the
constant current value can be set freely with external resistance. It has a built-in amplifier for detecting low
battery voltage. Using this IC enables the easy addition of a lithium ion battery charging function to
conventional battery-charging devices.
Features
1. Output voltage (Ta=-20°C+~70°C)
3Cell : 12.3V/12.6V±150mV
2Cell : 8.2V/8.4V±100mV
1Cell : 4.1V/4.2V±50mV
2. Current consumption
250µA typ.
3. Constant current output
set by external resistance
Current limit (reference voltage)
0.1V=external resistance current value
4. Low voltage detection function (LV)
2.0V/cell
Package
SOP-8C, SOP-8E (MM1332
F)
*The box represents the output (charging) voltage rank.
Applications
1. For charging lithium ion batteries
2. High-precision
Stable power sources for all types of equipment
Absolute Maximum Ratings (Ta=25°C)
Item
Symbol
Rating
Units
Storage temperature
TSTG
-40~+125
°C
Operating temperature
TOPR
-20~+70
°C
Power supply voltage
VCC max.
-0.3~+18
V
Output voltage
VO max.
-0.3~VCC
V
SW input voltage
VSW
-0.3~VCC+0.3
V
Allowable power dissipation
Pd
300
mW


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