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MM1332 Datasheet(PDF) 1 Page - Mitsumi Electronics, Corp. |
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MM1332 Datasheet(HTML) 1 Page - Mitsumi Electronics, Corp. |
1 / 4 page 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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