Switched Cap Circuits Provide Efficient and Functional White LED Drive (Rev. B)

Texas Instruments

Published Date: 04/30/2013

Description

Texas Instruments has many solutions for driving LEDs including switched capacitor converters and inductive based switching regulators. This application report describes some different switched capacitor methods of driving white LEDs and the benefits of each. The main areas of concern for most designers of portable equipment are efficiency size cost functionality and LED current matching.

Parts

Part Number Name Companion Part