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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

Overview

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INA230EVM Hardware Setup

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INA230EVM Hardware

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INA230EVM Software Setup

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INA230EVM Software Overview

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INA230EVM Documentation

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List of Figures

Hardware Included with INA230EVM Kit

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INA230EVM Hardware Setup

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INA230EVM Test Board Block Diagram

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SM-USB-DIG Platform Block Diagram

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Typical Hardware Test Connections for the INA230EVM

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Connecting the USB Cable to the SM-USB-DIG Platform

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Confirmation of SM-USB-DIG Platform Driver Installation

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INA230EVM Default Jumper Settings

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Typical Filter Setup

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INA230 Shunt Configurations

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INA230EVM Software Installation

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INA230EVM License Agreements

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INA230EVM Software Installation Progress

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INA230EVM Software Interface

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

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Setting the A1 Address

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Configuring Operating Mode

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Configuring Conversion Times

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Setting the Configuration Register (Calibration Register)

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Setting the Configuration Register (Current LSB)

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Configuring the Alert Pin

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INA230 Results Bar

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Theory of Operation Flowchart on the Calculation Tab

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Registers Tab

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SBOU124 – March 2012

INA230EVM Evaluation Board and Software Tutorial

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Содержание INA230EVM

Страница 1: ...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 INA23...

Страница 2: ...f 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 I2 C Address Configuration 16 6 Bill of...

Страница 3: ...valuation 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 ne...

Страница 4: ...ent Literature Number INA230 Product Data Sheet SBOS601 SM USB DIG Platform User Guide SBOU098 2 INA230EVM Hardware Setup Figure 2 shows the overall system setup for the INA230EVM The PC runs software...

Страница 5: ...SPI Clock Signal SCLK 8 GND Power Return GND 9 SPI_CS1 SPI Chip Select Signal CS 10 SPI_DIN1 SPI Data Input MISO 1 When VDUT is Hi Z all digital I O are Hi Z as well 2 2 1 Theory of Operation for SM...

Страница 6: ...per ESD handling precautions when unpacking and handling the EVM including the use of a grounded wrist strap at an approved ESD workstation 3 2 Connecting the Hardware To set up the INA230EVM and conn...

Страница 7: ...o with a low side shunt attached This source for VBUS is not included with the kit and its voltage may differ depending on your testing needs The external power source is connected to the terminal str...

Страница 8: ...ers that are part of the Microsoft Windows operating system Figure 6 Connecting the USB Cable to the SM USB DIG Platform In some cases the Windows Add Hardware Wizard may pop up If this prompt appears...

Страница 9: ...L or SDA Make sure to only connect one jumper at a time for each address control Failure to properly connect jumpers can cause shorts or interruptions in the communication lines For more information o...

Страница 10: ...gure the INA230EVM software to match the J3 J4 hardware setting 3 6 3 J5 and J6 I2 C Address Hardware Setting A1 Jumpers J5 and J6 are used to set the hardware setting for the A1 I2 C address pin on t...

Страница 11: ...lter Setup 3 6 6 Shunt Monitor Configuration and Terminal Blocks T3 and T4 The INA230 is generally used in either a high side or low side shunt configuration as shown in Figure 10 Terminal block T3 re...

Страница 12: ...computer insert the disc into an available CD ROM drive Navigate to the drive contents and open theINA230EVM software folder Locate the compressed file INA230EVM zip and open it using WinZIP or a sim...

Страница 13: ...se agreements are presented that must be accepted as shown in Figure 12 After accepting the Texas Instruments and National Instruments license agreements the progress bar opens and shows the installat...

Страница 14: ...e Setup www ti com Figure 13 INA230EVM Software Installation Progress 14 INA230EVM Evaluation Board and Software Tutorial SBOU124 March 2012 Submit Documentation Feedback Copyright 2012 Texas Instrume...

Страница 15: ...arting the INA230EVM Software The INA230 software can be operated through the Windows Start menu From Start select All Programs then select the INA230EVM program Figure 14 illustrates how the software...

Страница 16: ...ps noted Step 1 Set I2 C Address Step 2 Configure Operation Step 3 Set Conversion Times Step 4 Select Configuration Method Step 5 Set Configuration Register Step 6 Configure Alert Pin This section exp...

Страница 17: ...mode it only performs conversions when the operating mode is set and the Write All Reg button at the top of the screen is selected After the mode changes and Write All Reg has been selected the Read...

Страница 18: ...for selecting the Averaging Mode The INA230 can be setup to take the average of several measurements before storing the value of the measurements in the register table 5 2 3 Set Conversion Times Setti...

Страница 19: ...at with either of the methods used the Current LSB and the Calibration Register values are calculated based on the other variable and the RSHUNT value See the section Programming the INA230 in the pro...

Страница 20: ...ent and Power Reading Bar The bottom bar of the INA230 software as shown in Figure 22 allows the user to constantly check the status of the INA230 unit itself These values are updated each time the Re...

Страница 21: ...functionality of the GUI alone Most of this functionality is displayed in the Configuration register tab but by selecting the appropriate register and clicking on the Help With Reg button on the Regis...

Страница 22: ...t a location for the data and to name the file Figure 25 Graphing the INA230 Data 5 3 5 Auto Write and the Supply Voltage The INA230EVM software allows users to customize the board level voltage regul...

Страница 23: ...ayout is not to scale This image is intended to show how the board is laid out it is not intended to be used for manufacturing INA230EVM PCBs 6 1 Schematic Figure 27 shows the schematic for the INA230...

Страница 24: ...gure 28 shows the component layout for the INA230EVM PCB Figure 28 INA230EVM PCB Top Layer Component Side 24 INA230EVM Evaluation Board and Software Tutorial SBOU124 March 2012 Submit Documentation Fe...

Страница 25: ...03 6 D1 D2 LED Green Wide Angle 0603 SMD Panasonic LNJ3W0C83RA 7 U1 INA230 Texas Instruments 8 Jumpers All Connector Header 50 Position 100 SGL Samtec TSW 150 07 G S Gold 9 Jumpers All Shunt LP w Hand...

Страница 26: ...product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application eng...

Страница 27: ...or use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have...

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