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.
Features
- ES.
- 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, 0.045V±0.02V, None.
- Delay times for overcharge detection can be set by an external capacitor.
- CMOS output active “H”.
- Wide operating voltage range 3.6V to 24V.
- Wide operating temperature range.
- 40°C to +85°C.
- Low current consumption:.
UB244A-UTC.pdf
