• High Efficiency, 1.5MHz, Synchronous Buck Charger 

  93.5% Charge Efficiency at 1A Charge Current 

  92.5% Charge Efficiency at 2A Charge Current 

  90.8% Charge Efficiency at 3A Charge Current 

  PFM Mode for Light Load Efficiency 

• USB On-The-Go (OTG) Support (Boost Mode)

  Boost Converter with up to 2.4A (Default) Output 

  Boost Efficiency of 94% at 5V/1A Output 

  Accurate Hiccup Mode Over-Current Protection

  Soft-Start Capable with up to 500μF Capacitive Load 

  Output Short Circuit Protection 

  Selectable PFM Mode for Light Load Operations

• Single Input for USB or High Voltage Adapters

  3.9V to 14V Operating Input Voltage Range

  20V Absolute Maximum Input Voltage Rating 

  Programmable Input Current Limit and

  Dynamic
Power Management 

 (IINLIM, 100mA to 4.9A with
100mA Resolution)

 to Support USB 2.0 and USB 3.0
Standards and 

 High Voltage Adaptors

 Maximum Power Tracking by Input Voltage

 Limit up
to 15.3V (VINDPM) 

 VINDPM Tracking of Battery Voltage 

• Resistance Compensation (IRCOMP) Function

• High Battery Discharge Efficiency with 15mΩ Switch

• Narrow Voltage DC (NVDC) Power Path Management 

  Instant-On with No or Highly Depleted Battery 

  Ideal Diode Operation in Battery Supplement Mode

• Ship Mode, Wake-Up and Full System 

  Reset Capability
by Battery FET Control 

• Flexible Autonomous and I²C Operation

  Modes for
Optimal System Performance

• Fully Integrated Switches, 

  Current Sense and
Compensation 

• 10μA Ship Mode Low Battery Leakage Current 

• High Accuracy 

  ±0.5% Charge Voltage Regulation 

• Safety 

  Thermal Regulation and Thermal Shutdown 

  Input Under-Voltage Lockout (UVLO) 

  Input Over-Voltage (ACOV) Protection