The solution integrates reverse-blocking FET (QBLK), and four switching FETs (QHSA, QHSB, QLSB, QLSA). The I2C serial interface with charging and system settings makes the device a truly flexible solution.
Features
- Parallel Charger Operation Provides Fast Charging in Dual Charger Configuration
- High Efficiency 750kHz Switch Mode Three-Level Buck Parallel Charger
- Reduced Ripple to Support Low Profile Inductor
- 95.4% Charge Efficiency at 1.5A from 5V Input
- 93.3% Charge Efficiency at 3A from 9V Input
- Superior Efficiency Compared to Traditional Buck Converter in Compact Form Factor
- Single Input to Support USB Input and Adjustable High Voltage Adapters
- Support 3.9V to 14V Input Voltage Range with 20V Absolute Maximum Input Voltage Rating
- Input Current Limit (500mA to 3.6A with 100mA resolution) to Support USB2.0 and USB 3.0 Standard and High Voltage Adaptors
- Maximum Power Tracking by Input Voltage Limit (VINDPM) up to 14V
- Flexible I2C Mode for Optimal System Performance
- High Integration Includes all MOSFETs, Current Sensing and Loop Compensation
- Lossless Charge Current Sensing without Sense Resistor
- < 10µA Low Battery Leakage Current During Stand-By Mode
- High Accuracy
- ±0.4% Charge Voltage Regulation
- ±10% Charge Current Regulation
- ±7.5% Input Current Regulation
- Remote Differential Battery Sensing
- Safety
- Thermal Regulation and Thermal Shutdown
- Input UVLO and Overvoltage Protection
- Battery OVP
- Input Dynamic Power Management (DPM)
- Charging Safety Timer
- Flying Capacitor Short Circuit Protection
- Output Voltage Short Circuit Protection
- Available in 36-Ball WCSP Package
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