Introduction

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1

Introduction

This EVM interface board enables an IBM-compatible or other type (with required driver for the particular

platform) PC to communicate with Texas Instruments SMBus, HDQ, or DQ interface gas gauges via a

Universal Serial Bus (USB) port. In addition to this board, PC software is required to interpret the gas

gauge data to complete the evaluation system.

1.1

Features

•

Fully powered from the USB port

•

Capable of providing a 25-mA 3.3-V source

•

Complete interface between USB and SMBus, I

1.2

Kit Contents

•

EV2300 circuit module

•

Standard USB cable

1.3

Ordering Information

Table 1. Ordering Information

EVM Part Number

EV2300

2

Interfaces

The EV2300 interfaces are described in the following table. The reference designators on the circuit board

and the functions are also listed.

Reference

Function

Function

Designator

HDQ and SMB

SMBus, HDQ, and DQ Interface ports

Terminal block for connecting to a target device

I

E

Terminal for connecting to a target E

battery monitor

USB

USB Interface

Interface to host computer

2

EV2300 EVM Interface Board

SLUU159C

– February 2005 – Revised January 2012

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