EV2300 参数 Datasheet PDF下载

Introduction

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

2

C, and HDQ (8/16) interfaces using a simple API

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

Designator

HDQ and SMB

I

2

C

USB

Function

SMBus, HDQ, and DQ Interface ports

E

2

PROM I

2

C Interface

USB Interface

Function

Terminal block for connecting to a target device

Terminal for connecting to a target E

2

PROM or I

2

C interface

battery monitor

Interface to host computer

2

EV2300 EVM Interface Board

Copyright

©

2005–2012, Texas Instruments Incorporated

SLUU159C

–

February 2005

–

Revised January 2012