• 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