• High Efficiency, 1.5MHz, Synchronous Buck Charger 

   93% Charge Efficiency at 1A from 5V Input 

   91% Charge Efficiency at 2A from 5V Input 

   Optimized for USB Voltage Input (5V)

   Selectable PFM Mode for Light Load Efficiency 

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

  Boost Converter with up to 1.2A Output

  Boost Efficiency of 93.5% at 0.5A and 92.2% at 1A 

  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 13.5V Operating Input Voltage Range 

  20V Absolute Maximum Input Voltage Rating 

  Programmable Input Current Limit 

  and Dynamic Power Management 

  (IINDPM, 100mA to 3.2A 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 5.4V (VINDPM) 

  VINDPM Tracking of Battery Voltage

• High Battery Discharge Efficiency with 28mΩ 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 

  ±5% Charge Current Regulation at 1.5A

  ±10% Input Current Regulation at 0.9A 

• Safety 

  Battery Temperature Sensing

  (Charge/Boost Modes)

   Thermal Regulation and Thermal Shutdown

  Input Under-Voltage Lockout (UVLO)

  Input Over-Voltage (ACOV) Protection