bq25898C - Texas Instruments

bq25898C I2C Controlled Single Cell 3-A Charger

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 .

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 Charge
  – 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 Inpu.