Outline
This IC is used for double-protection of lithium-ion batteries with from one to three cells, and has an ultra compact package. Short-circuits between cells accommodate series connections of one to three cells.

FEATUREs
1. Consumption current (Vcell=3.8V) 3µA typ.
2. Consumption current (Vcell=2.3V) 0.3µA typ.
3. Overcharge detection voltage accuracy (-20°C to 70°C) ±50 mV/cell.
4. Pin I/O current between cells (Vcell=3.8V) 0.3µA max.
5. Delay time on overcharge voltage detection (Ct=0.22µF) 1.5S typ.
6. Output current (Vcell=VCC=4.5 V) 500µA typ.

APPLICATIONs
    IC for double-protection of lithium-ion batteries with one to three cells.