Outline

This IC is used to control two-cell chargers and the secondary side of switching regulators; it features enhanced functions for current switching and for overcharge detection and other kinds of protection. The control output is capable of driving a photocoupler LED. The charging current can be switched between high and low currents, and each can also be varied externally.

Features

1. Charging voltage : Can be set externally

2. Charging current (switchable between high and low levels, variable) High : 320mV typ. Low : 145mV typ.

3. Reference voltage : 1.207V typ.

Applications

1. Switching regulator

2. AC adapter

3. Lithium ion battery charger