O'Reilly logo

Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 207

Dual battery power manager increases run time by 12% and cuts charge time in half

Mark Gurries

Abstract

A pushbutton on/off controller with failsafe voltage monitoring is described.

Keywords

Pushbutton on/off controller

voltage monitoring

LTC2953

Introduction

To save space and provide longer battery run times, many high performance notebook computers support dual, swappable batteries, where each battery bay can hold a battery or an optional peripheral. Two batteries are obviously better than one, providing increased run time over a single battery, but how much better are they? The answer is that two batteries can produce performance that is better than twice that of a single battery. The trick lies in simultaneously charging ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required