• High Efficiency, 1.5MHz, Synchronous Buck Charger 

  95.5% Charge Efficiency at 1A from 5V Input

  92.5% Charge Efficiency at 2A from 9V Input

  Optimized for 9V/12V Input 

  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 3.1A with 

   100mA Resolution & 3.8A) to Support USB 2.0 and

   USB 3.0 Standards and High Voltage Adaptors

   Maximum Power Tracking by Programmable Input 

   Voltage Limit (VINDPM) with Selectable Offset 

   VINDPM Tracking of Battery Voltage 

   Auto Detect USB BC1.2, SDP, CDP, DCP and Non-Standard Adaptors

• High Battery Discharge Efficiency with 11.5mΩ 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 I2 C Operation 

   Modes for Optimal System Performance 

• Fully Integrated Switches, Current Sense and Compensation

• External Direct Charging Path Enable Output 

• 10μA Ship Mode Low Battery Leakage Current 

• High Accuracy 

   ±0.5% Charge Voltage Regulation (8mV/Step)

   ±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