bq25895 Description
The BQ25895 is a highly-integrated 5-A switch-mode battery charge management and system power path management device for single cell Li-Ion and Lipolymer battery. The devices support high input voltage fast charging. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase.
bq25895 Key Features
- High efficiency 5-A, 1.5-MHz switch mode buck charge
- 93% Charge efficiency at 2 A and 91% charge efficiency at 3 A charge current
- Optimize for high voltage input (9 V to 12 V)
- Low Power PFM Mode for light load operations
- Boost Mode operation with adjustable output from 4.5 V to 5.5 V
- Selectable 500-KHz to 1.5-MHz boost converter with up to 3.1-A output
- 93% Boost efficiency at 5 V at 1 A output
- Integrated control to switch between charge and
- Single input to support USB input and adjustable
- Support 3.9-V to 14-V input voltage range