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
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