? Fully Autonomous Charger for Single-Cell Li-Ion
and Li-Polymer Battery
? 21V Maximum Input Voltage Rating with Over-
Voltage Protection
? ±0.6% Charging Voltage Accuracy
? I2C Interface for Parameters Setting/Status Reporting
? Fully Integrated Power Switches
? No External Blocking Diode Required
? Built-in Robust Charge Protections Including
BatteryTemperature Monitor and Programmable Timer
? Battery or PCB Over-Temperature Protection
? System Reset Function
? Built-in Battery Disconnection Function
? Thermal Limit Regulation on Chip
? Available in a Green WLCSP-1.47×1.47-9B Package

? Charge Voltage Regulation Accuracy: ±0.5% ( 0°C to 50°C )
? Charge Current Accuracy: ±5%
? Maximum 28V Input Voltage Rating with Over-Voltage
Protection
? Minimum -5V Input Voltage Protection
? Complete Charge Process with Pre-Charge, Fast Charge and Constant Voltage Regulation
? Programmable Charge Parameters Through I2C Compatible Interface
? Programmable Charge Termination and Autonomous
Recharge
? Wide Range of Fast Charge Current: 2mA~500mA
? Strong and Robust Protection: VIN OVP, Battery OVP, OCP, Reverse Leakage Protection, Short Protection, Thermal Protection, PCB Over Temperature Protection
? BATFET Control to Support Shipping Mode
? System Reset Function
? Fully Integrated Power Path Management
? Ultra-low Battery Leakage Current to Support Shipping Mode
? WLCSP 1.68mm×1.68mm×0.63mm-9B,
0.5mm Pitch Package
? 7-bit slave address (A7~A1) is 1001001 binary(0x49H)
? IEC62368-1 Approved-File No.BE-37454
