bq25A
Features
- 1 SMBus Host-controlled NMOS-NMOS synchronous buck converter with programmable 615k Hz, 750k Hz, and 885k Hz switching frequencies
- Automatic N-channel MOSFET selection of system power source from adapter or battery driven by internal charge pumps
- Enhanced safety features for over voltage protection, over current protection, battery, inductor and MOSFET short circuit protection
- Programmable input current, charge voltage, charge current limits
- ±0.5% Charge voltage accuracy up to 19.2V
- ±3% Charge current accuracy up to 8.128A
- ±3% Input current accuracy up to 8.064A
- ±2% 20x Adapter current or charge current amplifier output accuracy
- Programmable battery depletion threshold, and battery LEARN function
- Programmable adapter detection and indicator
- Integrated soft start
- Integrated loop pensation
- Real time system control on ILIM pin to limit charge current
- AC Adapter operating range 4.5V-24V
- 5µA Off-state battery discharge current
- 0.65m A (0.8m A max) Adapter...
Representative bq25A image (package may vary by manufacturer)