SBOU241E April   2020  – August 2022 INA228 , INA229 , INA237 , INA238 , INA239

 

  1.   SBOU241 Abstract
  2. 1Trademarks
  3.   General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  4. 2Overview
    1. 2.1 Kit Contents
    2. 2.2 Related Documentation From Texas Instruments
  5. 3Hardware
    1. 3.1 Features
  6. 4Operation
    1. 4.1 Quick Start Setup
    2. 4.2 EVM Operation
      1. 4.2.1 Setup
        1. 4.2.1.1 Driver Installation
        2. 4.2.1.2 Firmware
          1. 4.2.1.2.1 Firmware Debug
        3. 4.2.1.3 GUI Setup and Connection
          1. 4.2.1.3.1 Initial Setup
          2. 4.2.1.3.2 GUI to EVM Connection
      2. 4.2.2 GUI Operation
        1. 4.2.2.1 Homepage Tab
        2. 4.2.2.2 Configuration Tab
        3. 4.2.2.3 Registers Tab
        4. 4.2.2.4 Results Data Tab
      3. 4.2.3 Current Sensing Operation
        1. 4.2.3.1 Detailed Setup
      4. 4.2.4 Direct EVM USB Communication
        1. 4.2.4.1 Standard USB Read and Write Operations
        2. 4.2.4.2 Collect Data Through the USB BULK Channel
      5. 4.2.5 PAMB Compatibility
  7. 5Circuitry
    1. 5.1 Current Sensing IC
    2. 5.2 Input Signal Path
    3. 5.3 Digital Circuitry
      1. 5.3.1 I2C (INA228, INA237, INA238)
      2. 5.3.2 SPI (INA229, INA239)
  8. 6Schematics, PCB Layout, and Bill of Materials
    1. 6.1 Schematics
      1. 6.1.1 SENS063 (INA228EVM, INA237EVM, INA238EVM)
      2. 6.1.2 SENS064 (INA229EVM, INA239EVM)
    2. 6.2 PCB Layout
      1. 6.2.1 SENS063 (INA228EVM, INA237EVM, INA238EVM)
      2. 6.2.2 SENS064 (INA229EVM, INA239EVM)
    3. 6.3 Bill of Materials
      1. 6.3.1 SENS063 (INA228EVM, INA237EVM, INA238EVM)
      2. 6.3.2 SENS064 (INA229EVM, INA239EVM)
  9. 7Revision History

4.1 Quick Start Setup

The following instructions describe how to set up and use the EVM.

  1. Purchase an SCB if you do not already have one.
    1. To use a PAMB Controller instead, see Section 4.2.5.
  2. Download this driver and install it as an administrator: https://www.ti.com/lit/zip/sbac253.
    1. Follow the download prompts, a myTI account will be required.
    2. Note that this driver is labeled as a PAMB driver, but is also used for the SCB.
  3. Attach the EVM to the SCB Controller as shown in Figure 4-1.
    1. Refer to Figure 4-2 when connecting multiple EVMs of the same type together.
  4. Connect the EVM to the PC using the provided USB cable.
    1. Insert the micro USB cable into the SCB Controller onboard USB receptacle J2.
    2. Plug the other end of the USB cable into a PC.
  5. Access the GUI from this link in either Chrome, Firefox, or Safari: https://dev.ti.com/gallery/info/CurrentSensing/INA228_229_237_238_239EVM_GUI/.
  6. Connect the GND reference of the external system to the GND node of the EVM (pin 1 of J1).
  7. Provide a differential input voltage signal to the IN+ and IN– nodes by connecting the signal leads to J1 pin 5 or 6 and J1 pin 3 or 4 on the EVM as explained in Section 4.2.3.