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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 198

USB power solution includes switching power manager, battery charger, three synchronous buck regulators and LDO

Brian Shaffer

Abstract

The LTC3555 USB power supply is described, which combines a USB switching power manager and battery charger with three synchronous buck regulators and an LDO to provide a complete power supply solution. The reduction in both heat generation and battery charge time makes it ideally suited for tomorrow's high density, feature rich battery-powered products.

Keywords

LTC3555

USB power supply

USB battery charger

USB switching power manager

Introduction

Linear Technology offers a variety of parts to simplify the task of extracting power from a battery or a USB cable. These devices seamlessly ...

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