SGM41562.pdf• 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
Battery Temperature 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
