ADP3806 Datasheet PDF

●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