MITSUMI
Protection of Lithium-Ion Batteries (for Double-Protect) MM1451
Protection of Lithium-Ion Batteries (for Double-Protect)
Monolithic IC MM1451
Outline
This IC is used for double-protection of lithium-ion batteries with from one to three cells, and has an ultracompact package.
Short-circuits between cells accommodate series connections of one to three cells.
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.
0.
3µA max.
1.
5S typ.
...