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深圳供应MM3856-美上美-原装芯片
1单元锂离子/锂聚合物电池保护IC
描述
MM3856系列是锂离子电池保护集成电路,通过电流传感电阻(Rsns)高精度检测充放电电流。MM3856有两步放电过流检测。并在正常放电模式和大电流放电模式下对系统进行适当保护。
Features
Detection voltage Range Accuracy
Overcharge detection voltage 4.1V to 5.0V, 5mV steps +/-20mV(Ta=-20 to +60 degC)
Overdischarge detection voltage 2.1V to 3.0V, 50mV steps +/-35mV
Discharging overcurrent detection voltage 1 15mV to +100mV, 1mV steps ※1
Discharging overcurrent detection voltage 2 30mV to +100mV, 1mV steps ※1
Charging overcurrent detection voltage -15mV to -100mV, 1mV steps ※1
Short detection voltage1 50mV to 200mV, 50mV steps ※2
0V battery charge inhibition battery voltage 1.3 to 1.8V, 0.1V steps +/-0.1V
0.9V fixed +/-0.3V
0V battery charge function Selectable "Permission" or "inhibition"
・Current consumption at Ta=25 degC (This doesn't include the bias current of NTC)
Normal mode 2.5uA typ. 4.0uA max.
Standby mode 0.1uA max. (Overdischarge latch function enable.)
0.6uA max. (Overdischarge latch function disable.)
MM3856
MITSUMI/美上美
原装
23+
日本