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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 196

Battery conditioner extends the life of Li-Ion batteries

George H. Barbehenn

Abstract

The LTC4099 battery charger and power manager is described. Its I2C battery conditioner ensures maximum battery life by preventing the battery-killing conditions of simultaneous high voltage and high temperature, whilst also optimizing battery run time and charging speed.

Keywords

LTC4099

battery charger

power management

I2C battery conditioner

Li-Ion battery

Introduction

Li-Ion batteries naturally age, with an expected lifetime of about three years. But, that life can be cut very short–to under a year–, if the batteries are mishandled. It turns out that the batteries are typically abused in applications where intelligent conditioning ...

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