• 4A Synchronous 1.6MHz PWM Charger

   Cycle-by-Cycle Current Limit

   Integrated 24V Switching MOSFETs

   Integrated Bootstrap Diode

   Digital Soft-Start

• Up to 95.2% Charge Efficiency

• 30V Absolute Maximum Input Voltage Rating with

    Adjustable Over-Voltage Threshold

• 4.5V to 22V Input Operating Voltage Range

• Automatic Power Path Selector (Battery/Adapter)

• Dynamic Power Management (DPM)

• Battery Charge Voltage Select 2-, 3-, or 

  4-Cell with 4.2V/Cell

• Less than 18μA Battery Current (No Adapter)

• Less than 1.3mA Input Current (Charge Disabled)

• High Accuracy

   ±0.5% Charge Voltage Regulation

   ±4% Charge Current Regulation

   ±4% Input Current Regulation

• Thermal Regulation (Current Limit for TJ = +120°C)

• Thermal Shutdown

• Battery Thermistor Sense Hot/Cold Charge Suspend

• Input Under-Voltage Lockout (UVLO)

• Input Over-Voltage (ACOV) Protection