• High Efficiency, 1.6MHz, Synchronous Switch-Mode 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 Low Power Pulse Frequency Modulation 

  (PFM) Mode for Light Load Operations 

• Supports USB On-The-Go (OTG)

  Boost Converter with up to 1.2A Output

  93.5% Boost Efficiency at 0.5A Output

  92.2% Boost Efficiency at 1A Output 

  Accurate Hiccup Mode Over-Current Protection

  Soft-Start up to 500μF Capacitive Load 

  Output Short Circuit Protection 

  Selectable Low Power PFM Mode for Light Load Operations

• Single Input to Support USB Input and High Voltage Adapters

  Support 3.9V to 13.5V Input Voltage Range with 20V 

  Absolute Maximum Input Voltage Rating

  Programmable Input Current Limit 

  (100mA to 3.2A with 100mA Resolution)

  to Support USB 2.0, USB 3.0 Standards an 

  High Voltage Adaptors (IINDPM)

  Maximum Power Tracking by Input Voltage 

  Limit up to 5.4V (VINDPM)

  VINDPM Threshold Automatically Tracks Battery Voltage

• High Battery Discharge Efficiency with 

  28mΩ Battery Discharge MOSFET

• NVDC Power Path Management

  Instant-On Works with No Battery or Deeply

  Discharged Battery 

  Ideal Diode Operation in Battery Supplement Mode

• BATFET Control to Support Ship Mode, 

  Wake-Up and Full System Rese

• Flexible Autonomous and I² C Mode for

  Optimal System Performance

• High Integration Includes All MOSFETs, 

  Current Sensing and Loop Compensation

• 9μA Low Battery Leakage Current 

   to Support Ship Mode

• High Accuracy 

  ±0.5% Charge Voltage Regulation

  ±5% at 1.5A Charge Current Regulation

  ±10% at 0.9A Input Current Regulation

• Safety

  Battery Temperature Sensing for Charge and Boost Mode

  Thermal Regulation and Thermal Shutdown

  Input Under-Voltage Lockout (UVLO) and

  Over-Voltage (ACOV) Protections