• 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

  Auto Detect USB BC1.2, SDP, CDP, DCP

  and
Non-Standard Adaptors 

• 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