MAX8903B Datasheet (Maxim Integrated Products)

MAX8903B, 1-Cell Li+ DC-DC Charger

The MAX8903B is an integrated 1-cell Li+ charger and Smart Power Selector™ with dual (AC adapter and USB) power inputs.

The switch mode charger uses a high switching frequency to eliminate heat and allow for tiny external components.

It can operate with either separate inputs for USB and AC adapter

MAX8903B Features

* optimized smart power control to make the best use of limited USB or adapter power. Battery charge current and SYS output current limit are independently set. Power not used by the system charges the battery. Charge current and SYS output current limit can be set up to 2A, while USB input current ca