Chapter 190

Ideal diode controller eliminates energy wasting diodes in power OR-ing applications

David Laude

Abstract

The LTC4412, which provides a simple means to implement a low loss ideal diode controller that extends battery life and reduces self heating, is described.

Keywords

Ideal diode controller

LTC4412

Introduction

Many modern electronic devices need a means to automatically switch between power sources when prompted by the insertion or removal of any source. The LTC4412 simplifies PowerPath management and control by providing a low loss, near ideal diode controller function. Any circuit that could otherwise use a diode OR to switch between power sources can benefit from the LTC4412. The forward voltage drop of an LTC4412 ...

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