Texas Instruments INA231 Evaluation Module INA231EVM 사용자 매뉴얼

차례

• INA231EVM Evaluation Board and Software Tutorial

  1
  • 1 Overview

    3
    • 1.1 INA231EVM Kit Contents

      3
    • 1.2 Related Documentation from Texas Instruments

      4
  • 2 INA231EVM Hardware Setup

    4
    • 2.1 Theory of Operation for INA231 Hardware

      4
    • 2.2 Signal Definitions of H1 (10-Pin Male Connector Socket)

      5
      • 2.2.1 Theory of Operation for SM-USB-DIG Platform

        5
  • 3 INA231EVM Hardware

    6
    • 3.1 Electrostatic Discharge Warning

      6
    • 3.2 Connecting the Hardware

      6
    • 3.3 Connecting Power

      6
    • 3.4 Connecting the USB Cable to the SM-USB-DIG Platform

      7
    • 3.5 INA231EVM Default Jumper Settings

      8
    • 3.6 INA231EVM Features

      9
      • 3.6.1 J2: I2C VS Control Setting

        9
      • 3.6.2 J3 and J4: I2C Address Hardware Setting (A0)

        9
      • 3.6.3 J5 and J6: I2C Address Hardware Setting (A1)

        9
      • 3.6.4 External I2C Lines and Terminal Block T1

        9
      • 3.6.5 VIN+ and VIN– Input filter (R1, R2, and C1)

        10
      • 3.6.6 Shunt Monitor Configuration and Terminal Blocks T3 and T4

        10
  • 4 INA231EVM Software Setup

    11
    • 4.1 Operating Systems for the INA231EVM Software

      11
    • 4.2 Software Installation

      11
  • 5 INA231EVM Software Overview

    13
    • 5.1 Starting the INA231EVM Software

      13
    • 5.2 Configuring the INA231EVM Software

      14
      • 5.2.1 I2C Address Selection

        14
      • 5.2.2 Configure Operating Mode

        15
      • 5.2.3 Set Conversion Times

        16
      • 5.2.4 Set Configuration Register

        17
      • 5.2.5 Configuring the Alert Pin

        17
    • 5.3 Using the INA231EVM Software

      18
      • 5.3.1 INA231 Bus Voltage, Shunt Voltage, Current, and Power Reading Bar

        18
      • 5.3.2 Calculation and Theory of Operation

        18
      • 5.3.3 Register Tab

        19
      • 5.3.4 Graph Tab

        20
      • 5.3.5 Auto-Write and the Supply Voltage

        20
  • 6 INA231EVM Documentation

    21
    • 6.1 Schematic

      21
    • 6.2 PCB Layout

      22
    • 6.3 Bill of Materials

      23
• Important Notices

  24