MM1451 Datasheet (Mitsumi Electronics) - Protection of Lithium-Ion Batteries

MM1451, Protection of Lithium-Ion Batteries

Pin No.

Pin name Functions Equivalent circuit diagram 1 V3 3-cell power supply 2 V2 2-cell power supply 3 V1 1-cell power supply 5 Ct Delay capacity pin 7 OUT OUT pin MITSUMI Protection of Lithium-Ion Batteries (for Double-Protect) MM1451 Absolute Maximun Ratings Item Operating tem

MM1451 Features

* 1. Overcharge detection voltage accuracy (0°C to 50°C) 2. Consumption current (Vcell=3.8V) 3. Consumption current (Vcell=2.3V) 4. Pin I/O current between cells (Vcell=3.8V) 5. Delay time on overcharge voltage detection (Ct=0.22µF) 6. Output current (Vcell=VCC=4.5 V) ±50 mV/cell. 3µA typ. 0.3µA typ.