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PDF MM1332 Data sheet ( Hoja de datos )
| Número de pieza | MM1332 | |
| Descripción | Control of Lithium Ion Batteries Charging | |
| Fabricantes | MITSUMI | |
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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)
2. Current consumption
3. Constant current output
Current limit (reference voltage)
4. Low voltage detection function (LV)
3Cell : 12.3V/12.6V±150mV
2Cell : 8.2V/8.4V±100mV
1Cell : 4.1V/4.2V±50mV
250µA typ.
set by external resistance
0.1V=external resistance current value
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
Storage temperature
Operating temperature
Power supply voltage
Output voltage
SW input voltage
Allowable power dissipation
Symbol
TSTG
TOPR
VCC max.
VO max.
VSW
Pd
Rating
-40~+125
-20~+70
-0.3~+18
-0.3~VCC
-0.3~VCC+0.3
300
Units
°C
°C
V
V
V
mW
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet MM1332.PDF ] | |
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