User's Guide

SBOU124–March 2012

INA230EVM Evaluation Board and Software Tutorial

This user's guide describes the characteristics, operation, and use of the INA230EVM evaluation board. It

discusses how to set up and configure the software and hardware, and reviews various aspects of the

program operation. Throughout this document, the terms evaluation board, evaluation module, and EVM

are synonymous with the INA230EVM. This user's guide also includes information regarding operating

procedures and input/output connections, an electrical schematic, printed circuit board (PCB) layout

drawings, and a parts list for the EVM.

Contents

1 Overview ..................................................................................................................... 3

2 INA230EVM Hardware Setup ............................................................................................. 4

3 INA230EVM Hardware ..................................................................................................... 6

4 INA230EVM Software Setup ............................................................................................. 12

5 INA230EVM Software Overview ......................................................................................... 15

6 INA230EVM Documentation ............................................................................................. 23

List of Figures

1 Hardware Included with INA230EVM Kit................................................................................. 3

2 INA230EVM Hardware Setup ............................................................................................. 4

3 INA230EVM Test Board Block Diagram ................................................................................. 4

4 SM-USB-DIG Platform Block Diagram ................................................................................... 5

5 Typical Hardware Test Connections for the INA230EVM ............................................................. 7

6 Connecting the USB Cable to the SM-USB-DIG Platform............................................................. 8

7 Confirmation of SM-USB-DIG Platform Driver Installation............................................................. 8

8 INA230EVM Default Jumper Settings .................................................................................... 9

9 Typical Filter Setup........................................................................................................ 11

10 INA230 Shunt Configurations............................................................................................ 11

11 INA230EVM Software Installation....................................................................................... 12

12 INA230EVM License Agreements....................................................................................... 13

13 INA230EVM Software Installation Progress ........................................................................... 14

14 INA230EVM Software Interface ......................................................................................... 15

15 INA230EVM Software: Communication Error with the SM-USB-DIG Platform.................................... 16

16 Setting the A1 Address ................................................................................................... 17

17 Configuring Operating Mode............................................................................................. 18

18 Configuring Conversion Times........................................................................................... 18

19 Setting the Configuration Register (Calibration Register) ............................................................ 19

20 Setting the Configuration Register (Current LSB)..................................................................... 19

21 Configuring the Alert Pin.................................................................................................. 19

22 INA230 Results Bar ....................................................................................................... 20

23 Theory of Operation Flowchart on the Calculation Tab .............................................................. 20

24 Registers Tab .............................................................................................................. 21

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25 Graphing the INA230 Data ............................................................................................... 22

26 Auto-Write, Power Button, and Voltage Control....................................................................... 22

27 INA230EVM Schematic................................................................................................... 23

28 INA230EVM PCB Top Layer (Component Side) ...................................................................... 24

List of Tables

1 INA230EVM Kit Contents .................................................................................................. 3

2 Related Documentation .................................................................................................... 4

3 Signal Definition of J1 on INA230EVM Board........................................................................... 5

4 INA230EVM Test Board Jumper Functions ............................................................................. 9

5 INA230 I

C Address Configuration ...................................................................................... 16

6 Bill of Materials: INA230EVM ........................................................................................... 25

INA230EVM Evaluation Board and Software Tutorial SBOU124–March 2012

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USB SM-DIG

INA230EVM Board

SM-DIG Connector Ribbon Cable

USB Extender Cable

www.ti.com

Overview

1 Overview

The INA230 is a high-side current sensor and power monitor with an I

C™ interface. The INA230 monitors

both current and supply voltage, with programmable conversion times and averaging modes. The

INA230EVM is a platform for evaluating the performance of the INA230 under various signal, shunt, and

supply conditions.

This document gives a general overview of the INA230EVM, and provides a general description of the

features and functions to be considered while using this evaluation module.

1.1 INA230EVM Kit Contents

Table 1 summarizes the contents of the INA230EVM kit. Figure 1 shows all of the included hardware.

Contact the Texas Instruments Product Information Center nearest you if any component is missing. It is

highly recommended that you also check the INA230 product folder on the TI web site at www.ti.com to

verify that you have the latest versions of the related software.

Table 1. INA230EVM Kit Contents

Item Quantity

INA230EVM PCB Test Board 1

SM-USB-DIG Platform PCB 1

USB Extender Cable 1

SM-Dig Connector Ribbon Cable 1

User’s Guide CD-ROM 1

Figure 1. Hardware Included with INA230EVM Kit

SBOU124–March 2012 INA230EVM Evaluation Board and Software Tutorial

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Part #	881545-2
Description	SHUNT LP CONNECTOR ASSY 2POS
Category	Microcircuit
Availability	In Stock
Qty	270

881545-2

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