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  • INA231EVM Rev A Model User's Guide and Software Tutorial

    • SBOU128B february   2013  – july 2023 INA231

       

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  • INA231EVM Rev A Model User's Guide and Software Tutorial
  1.   1
  2.   INA231EVM Evaluation Board and Software Tutorial
  3.   Trademarks
  4. 1Overview
    1. 1.1 INA231EVM Kit Contents
    2. 1.2 Related Documentation from Texas Instruments
  5. 2INA231EVM Hardware
    1. 2.1 Theory of Operation for INA231 Hardware
    2. 2.2 Signal Definitions of H1 (10-Pin Connector Socket)
      1. 2.2.1 Theory of Operation for SM-USB-DIG Platform
  6. 3INA231EVM (Rev A) Hardware Setup
    1. 3.1 Electrostatic Discharge Warning
    2. 3.2 Connecting the Hardware
    3. 3.3 Connecting Power
    4. 3.4 Connecting the USB Cable to the SM-USB-DIG Platform
    5. 3.5 INA231EVM Default Jumper Settings
    6. 3.6 INA231EVM Features
      1. 3.6.1 J2: I2C VS Control Setting
      2. 3.6.2 J3 and J4: I2C Address Hardware Setting (A0)
      3. 3.6.3 J5 and J6: I2C Address Hardware Setting (A1)
      4. 3.6.4 External I2C Lines and Terminal Block T1
      5. 3.6.5 VIN+ and VIN– Input filter (R1, R2, and C1)
      6. 3.6.6 Shunt Monitor Configuration and Terminal Blocks T3 and T4
  7. 4INA231EVM Software Setup
    1. 4.1 Operating Systems for the INA231EVM Software
    2. 4.2 Software Installation
  8. 5INA231EVM Software Overview
    1. 5.1 Starting the INA231EVM Software
    2. 5.2 Configuring the INA231EVM Software
      1. 5.2.1 I2C Address Selection
      2. 5.2.2 Configure Operating Mode
      3. 5.2.3 Set Conversion Times
      4. 5.2.4 Set Configuration Register
      5. 5.2.5 Configuring the Alert Pin
    3. 5.3 Using the INA231EVM Software
      1. 5.3.1 INA231 Bus Voltage, Shunt Voltage, Current, and Power Reading Bar
      2. 5.3.2 Calculation and Theory of Operation
      3. 5.3.3 Register Tab
      4. 5.3.4 Graph Tab
      5. 5.3.5 Auto-Write and the Supply Voltage
  9. 6INA231EVM Documentation
    1. 6.1 Schematic
    2. 6.2 PCB Layout
    3. 6.3 Bill of Materials
  10. 7Revision History
  11. IMPORTANT NOTICE
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User's Guide

INA231EVM Rev A Model User's Guide and Software Tutorial

Abstract

This user's guide describes the characteristics, operation, and use of the INA231EVM evaluation board (Rev A) hardware. This document discusses how to set up and configure the software and hardware, and reviews the program operation. Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the INA231EVM. This user's guide also includes information regarding operating procedures, the input and output connections, an electrical schematic, printed circuit board (PCB) layout drawings, and a parts list for the EVM.

Trademarks

Microsoft® and Windows® are registered trademarks of Microsoft Corporation.

WinZIP® is a registered trademark of WinZip International LLC.

All trademarks are the property of their respective owners.

1 Overview

The INA231 is a high-side current sensor and power monitor with an I2C interface. The INA231 monitors both current and supply voltage, with programmable conversion times and averaging modes. The INA231EVM is a platform used to evaluate the performance of the INA231 under various signal, shunt, and supply conditions.

This document gives a general overview of the INA231EVM and provides a general description of the features and functions to consider when using this evaluation module.

 
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