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參數資料
| 型號： | MM1332 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Control of Lithium Ion Batteries Charging |
| 中文描述： | 控制充電鋰離子電池 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 93K |
| 代理商： | MM1332 |
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
250μA typ.
set by external resistance
0.1V=external resistance current value
2.0V/cell
2. Current consumption
3. Constant current output
Current limit (reference voltage)
4. Low voltage detection function (LV)
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
T
STG
T
OPR
V
CC
max.
V
O
max.
V
SW
Pd
Rating
-
40~+125
-
20~+70
-
0.3~+18
-
0.3~V
CC
-
0.3~V
CC
+0.3
300
Units
°C
°C
V
V
V
mW
Storage temperature
Operating temperature
Power supply voltage
Output voltage
SW input voltage
Allowable power dissipation
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