LP3947 Datasheet (National Semiconductor) - USB/AC Adaptor Single Cell Li-Ion Battery Charger

LP3947, USB/AC Adaptor Single Cell Li-Ion Battery Charger

The LP3947 is a complete charge management system that safely charges and maintains a Li-Ion battery from either USB power source or AC adaptor.

In USB mode, the LP3947 supports charging in low power or high power mode.

Alternatively, the LP3947 can take charge from AC adaptor.

In both USB and AC ad

LP3947 Features

* n Supports USB Charging Scheme n Integrated Pass Transistor Typical Application Circuit 20111001 More Application Circuit can be found in the Application Note section. © 2004 National Semiconductor Corporation DS201110 www.national.com LP3947 Connection Diagrams and Package Mark Information