GENERAL DESCRIPTION
The ADP3806 is a complete Li-Ion battery-charging IC. The device combines high output voltage accuracy with constant current control to simplify the implementation of constant current, constant-voltage (CCCV) chargers.

FEATURES
    Li-Ion battery charger
    Three battery voltage options
      Selectable 12.525 V/16.700 V
      Selectable 12.600 V/16.800 V
      Adjustable
    High end-of-charge voltage accuracy
      ±0.4% @ 25°C
      ±0.6% @ 5°C to 55°C
      ±0.7% @ 0°C to 85°C
    Programmable charge current with rail-to-rail sensing
    System current sense with reverse input protection
    Soft start charge current
    Undervoltage lockout
    Bootstrapped synchronous drive for external NMOS
    Programmable oscillator frequency
    Oscillator SYNC pin
    Low current flag
    Trickle charge

APPLICATIONS
    Portable computers
    Fast chargers