Battery Charger Li-Ion/Li-Pol 24-Pin WQFN EP T/R
Battery Management Sng Cell 5A Fast Charger MaxCharge
Feature
- 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 Boost Mode
- 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 50-mA resolution) to Support USB2.0, USB3.0 standard and High Voltage Adapters
- Maximum Power Tracking by Input Voltage Limit up-to 14V for Wide Range of Adapters
- Auto Detect USB SDP, CDP, DCP, and Non-standard Adapters
- Input Current Optimizer (ICO) to Maximize Input Power without Overloading Adapters
- Resistance Compensation (IRCOMP) from Charger Output to Cell Terminal
- Highest Battery Discharge Efficiency with 11-mΩ Battery Discharge MOSFET up to 9 A
- Integrated ADC for System Monitor
(Voltage, Temperature, Charge Current) - Narrow VDC (NVDC) Power Path Management
- Instant-on Works with No Battery or Deeply Discharged Battery
- Ideal Diode Operation in Battery Supplement Mode
- BATFET Control to Support Ship Mode, Wake Up, and Full System Reset
- Flexible Autonomous and I2C Mode for Optimal System Performance
- High Integration includes all MOSFETs, Current Sensing and Loop Compensation
- 12-μA Low Battery Leakage Current to Support Ship Mode
- High Accuracy
- ±0.5% Charge Voltage Regulation
- ±5% Charge Current Regulation
- ±7.5% Input Current Regulation
- Safety
- Battery Temperature Sensing for Charge and Boost Mode
- Thermal Regulation and Thermal Shutdown
- Create a Custom Design Using the bq25895 With the WEBENCH Power Designer
