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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 385

SMBus accelerator improves data integrity

David Bell and Mark Gurries

Abstract

LTC1694 SMBus Accelerator active pull-up circuit, which improves data integrity, is described.

Keywords

System Management Bus

LTC1694 SMBus Accelerator

Introduction

The System Management Bus (SMBus) is gaining popularity in portable computers as a communication link between smart batteries, the battery charger and the power management microcontroller. The convenience of this simple 2-wire bus is prompting designers to use it for communication with other peripherals such as battery selectors, backlight controllers, temperature monitors, power switches and other devices. Before long, the SMBus will become what its creators envisioned—a general ...

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