bq25898C Overview
The bq25898C is a highly-integrated switch-mode battery charge management and system power path management device for single cell Li-Ion and Lipolymer battery. The device supports high input voltage for charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.
bq25898C Key Features
- 1 Operation as Slave Charger to Provide Fast Charging in Dual Charger Operation
- Simple Configuration with Minimum BOM
- High Efficiency 3-A, 1.5-MHz Switch Mode Buck
- 92% Charge Efficiency at 3 A and 94% Charge Efficiency at 2 A Charge Current
- Optimize for High Voltage Input (9 V / 12 V)
- Low Power PFM mode for Light Load Operations
- Single Input to Support USB Input and Adjustable High Voltage Adapters
- Support 3.9-V to 14-V Input Voltage Range
- Input Current Limit (100 mA to 3.25 A with 50mA resolution) to Support USB2.0, USB3.0 standard and High Voltage Adapters
- Wide Input Dynamic Power Management (DPM) Range