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
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Overview ..................................................................................................................... 3
INA230EVM Hardware Setup ............................................................................................. 4
INA230EVM Hardware ..................................................................................................... 6
INA230EVM Software Setup ............................................................................................. 12
INA230EVM Software Overview ......................................................................................... 15
INA230EVM Documentation ............................................................................................. 23
List of Figures
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Hardware Included with INA230EVM Kit.................................................................................
INA230EVM Hardware Setup .............................................................................................
INA230EVM Test Board Block Diagram .................................................................................
SM-USB-DIG Platform Block Diagram ...................................................................................
Typical Hardware Test Connections for the INA230EVM .............................................................
Connecting the USB Cable to the SM-USB-DIG Platform.............................................................
Confirmation of SM-USB-DIG Platform Driver Installation.............................................................
INA230EVM Default Jumper Settings....................................................................................
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Typical Filter Setup........................................................................................................ 11
INA230 Shunt Configurations............................................................................................ 11
INA230EVM Software Installation ....................................................................................... 12
INA230EVM License Agreements....................................................................................... 13
INA230EVM Software Installation Progress ........................................................................... 14
INA230EVM Software Interface ......................................................................................... 15
INA230EVM Software: Communication Error with the SM-USB-DIG Platform.................................... 16
Setting the A1 Address ................................................................................................... 17
Configuring Operating Mode ............................................................................................. 18
Configuring Conversion Times........................................................................................... 18
Setting the Configuration Register (Calibration Register) ............................................................ 19
Setting the Configuration Register (Current LSB)..................................................................... 19
Configuring the Alert Pin.................................................................................................. 19
INA230 Results Bar ....................................................................................................... 20
Theory of Operation Flowchart on the Calculation Tab .............................................................. 20
Registers Tab .............................................................................................................. 21
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Microsoft, Windows are registered trademarks of Microsoft Corporation.
I2C is a trademark of NXP Semiconductors.
WinZIP is a registered trademark of WinZip International LLC.
All other trademarks are the property of their respective owners.
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SBOU124–March 2012
INA230EVM Evaluation Board and Software Tutorial
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Copyright © 2012, Texas Instruments Incorporated
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