• 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

  DynamicPower Management (IINDPM, 100mA to 3.2A

  with100mA Resolution) to Support USB 2.0 and USB

  3.0Standards and High Voltage Adaptors

  Maximum Power Tracking by Input

  Voltage Limit upto 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 Capabilityby Battery FET Control

• Flexible Autonomous and I2C Operation

  Modes forOptimal System Performance

• Fully Integrated Switches, Current Sense andCompensation

• 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