LP3921 Datasheet (Texas Instruments) - Battery Charger Management/Regulator

LP3921, Battery Charger Management/Regulator

The LP3921 is a fully integrated charger and multiregulator unit with a fully differential Boomer audio power amplifier designed for CDMA cellular phones.

The LP3921 has a high-speed serial interface which allows for the integration and control of a Li-Ion battery charger, 7 low-noise low-dropout (L

LP3921 Features

* 1

* 23 Charger

* DC Adapter or USB Input

* Thermally Regulated Charge Current

* Under Voltage Lockout

* 50 to 950 mA Programmable Charge Current

* 3.0V to 5.5V Input Voltage Range

* Thermal Shutdown

* I2C-Compatible Interface for Control