Automotive USB Battery Charging Reference Design

Texas Instruments

Description

This USB battery charging reference design is optimized for size in order to fit within an automobile power accessory port. The design features a USB dedicated charging port controller with integrated current limiting power switch and a 42V DC/DC converter. High integration and small package sizing allows a small form factor.

Features

Typical 13.6V input from car battery. Withstands 45V transients Accurate current limit (+/- 10%) Design provides up to 2.1A output current at 5V output Supports BC 1.2 Dedicated Charging Port specification Small 32mm x 16mm form factor Design has been built and tested.