Datasheet Summary
UNISONIC TECHNOLOGIES CO., LTD UB244A
Preliminary CMOS IC
LI-ION BATTERY PROTECTION IC FOR 1-CELL TO 4-CELL PACK (SECONDARY PROTECTION)
- DESCRIPTION
The UTC UB244A Series is secondary protection IC for 1-, 2-, 3-, or 4-Cell lithium-ion rechargeable battery packs, and incorporates a high-accuracy voltage detection circuit. The UTC UB244A Series also includes a high accuracy delay circuit for over voltage detection time can be set by an external capacitor.
- Features
- High-accuracy voltage detection circuit for each cell
- Overcharge detection voltage n (n=1 to 4): 4.05V to 4.50V (in 50mV steps)
- Overcharge hysteresis voltage n (n=1 to 4): 0.38V±0.10V, 0.25V±0.07V, 0.13V±0.04V,...