S-821AA Overview
BATTERY PROTECTION IC FOR 1-CELL PACK © ABLIC Inc., 2024-2025 Rev.1.2_00 This IC is high-side protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuit, delay circuit, and triple boost charge pump to drive an external charge / discharge FET. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from...
S-821AA Key Features
- High-accuracy voltage detection circuit
- 3 mV to -100 mV (0.25 mV step)
- 6 mV to -100 mV (0.5 mV step)
- 20 mV to -100 mV (1 mV step)
- Overheat detection function
- High-accuracy temperature detection circuit with an external NTC thermistor
- Internal charge pump
- Detection delay times are generated only by an internal circuit (external capacitors are unnecessary)
- Discharge overcurrent control function
- 0 V battery charge
