High efficiency 4A Switch Mode buck charger 

• 93% charging efficiency at 3A charging current 5V VBUS 3.8V VBAT 1Mhz 

• Supports input range 3.9V ~ 13.5V 

• Integrates Dynamic Power Management for input voltage input current

• BAT Sense Pin and AFVC (Automatic Float Voltage Compensation) IR Compensation provided to track battery voltage accurately 

• PWM mode could smooth transfer to PSM mode for light load efficiency 

• Integrates Narrow VDC (NVDC ) power path management 

• +/-10mV VBAT regulation accuracy and +/- 4% charging current accuracy 

8mOh BATFET for high efficiency power path support 10A discharging 

• Ideal diode operation in Battery Supplement mode 

• Support Ship Mode , wake up, and system reset 

Smart input power management to recognize the adapter type and draw the max power from adapter 

• Support Automatic Input Current Limit (AICL) to draw the max power out of the connected USB adapter 

• Support BC1.2/ PD3.0 protocols for fast charging 

• CID fucntion is supported to reduce the corrosion of CC Pin. 

USB On-the-Go (OTG) with adjustable VOUT from 3.9V to 5.4V and IOUT limit from 0.5A to 3A 

• 94% efficiency at 3.8V VBAT 5V VBUS and 1.5A load 

Integrate with 2 Channel LED Drivers

• Up to 1.5A flash current for each channel and total 2A flash current for LED working simultaneously 

• Up to 500mA torch current for each channel 

• Support headroom mode for flash mode to decrease thermal 

Support 11 channel 13-bit ADC 

• VAC VBUS VSYS VBAT BATP/BATN IBUS ICHG VTEMP TSBUS TSBAT BAT_ID 42 Pin 3.18mm 2.8mm WCSP Package