ADP3806JRU-REEL7
数据手册.pdf高频开关模式锂离子电池充电器 High-Frequency Switch Mode Li-Ion Battery Charger
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
