ACT2802B - Active-Semi

ACT2802B 5V/2.5A Backup Battery Pack Manager

ACT2802/ACT2802B/ACT2802C is a space-saving and high-performance low-profile single-chip solution for backup battery pack and standalone battery charger. ACT2802/ACT2802B/ACT2802C integrates all the functions that a backup battery pack needs, including switching charger, boost converter and LED indication. ACT2802/ACT2802B/ACT2802C operates at 1.1MHz for swi.

Features

 Dedicated Single Chip Solution for Mobile Power With Minimal Component Count
 5V/2.5A Constant Output Current Limit in Boost Mode
 2.5A Switching Charger Current Limit
 Programmable 4.1V to 4.35V Battery Voltage
 95% Boost Efficiency (Vbat=4.1V)
 Adaptive to 10mA-2400mA Input Sources
 Battery Disconnection at Output Short
 <10µA Low Battery Leakage Current at HZ Mode During Storage
 Boost Auto Turn-off at No Load and Push Button Turn-on
 Battery Over Current, Over Voltage, Over Temperature and Short Circuit Protections
 Boost Auto Startup with Load Detection
 Up to 3.0.