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% @ 25C
      ±
0.6% @ 5C to 55C
      ±
0.7% @ 0C to 85C
    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