Texas Instruments INA234EVM User Manual
  1. Manuals
  2. Brands
  3. Texas Instruments Manuals
  4. Computer Hardware
  5. INA234EVM
  6. User manual

Texas Instruments INA234EVM User Manual

Hide thumbs Also See for INA234EVM:
Table of Contents

Advertisement

Quick Links

Download this manual
www.ti.com
User's Guide
INA234EVM and INA236EVM
This user's guide describes the characteristics, operation, and use of the INA234 and INA236 evaluation
modules (EVMs). These EVMs are designed to evaluate the performance of the INA234 and INA236.
Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with
the INA234EVM and INA236EVM. This document includes a schematic, reference printed circuit board (PCB)
layouts, and a complete bill of materials (BOM).
SBOU264A – MAY 2021 – REVISED FEBRUARY 2022
Submit Document Feedback
ABSTRACT
Copyright © 2022 Texas Instruments Incorporated
INA234EVM and INA236EVM
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the INA234EVM and is the answer not in the manual?

Questions and answers

Related Manuals for Texas Instruments INA234EVM

Summary of Contents for Texas Instruments INA234EVM

  • Page 1 (EVMs). These EVMs are designed to evaluate the performance of the INA234 and INA236. Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the INA234EVM and INA236EVM. This document includes a schematic, reference printed circuit board (PCB) layouts, and a complete bill of materials (BOM).

  • Page 2: Table Of Contents

    Table of Contents www.ti.com Table of Contents Trademarks....................................2 Overview....................................3 2.1 Kit Contents..................................3 2.2 Related Documentation From Texas Instruments......................3 Hardware....................................3.1 Features..................................... Operation....................................5 4.1 Quick Start Setup................................4.2 EVM Operation...................................5 5 Circuitry....................................5.1 Current Sensing IC................................15 5.2 Input Signal Path................................15 5.3 Digital Circuitry.................................

  • Page 3: Overview

    QUANTITY INA234EVM OR INA236EVM board Note that this EVM requires the TI Sensor Control Board (SCB), which is sold separately. SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...

  • Page 4: Related Documentation From Texas Instruments

    Newer revisions are available from www.ti.com or the Texas Instruments' Literature Response Center at (800) 477-8924 or the Product Information Center at (972) 644-5580. When ordering, identify the document by both title and literature number.

  • Page 5: Operation

    4-2. Make sure to use a different chip address for each device. The GUI only supports one EVM/device type at a time. SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 6 While shorting the two test points labeled "DFU" (shown in Figure 4-3) with a pair of tweezers (or wire), press and release the RESET button. INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 7 3. Click the GUI Composer application (Figure 4-4) to launch the GUI from the web browser. Figure 4-4. GUI Composer Application SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 8 Figure 4-8. Change Serial Port c. If the hardware still does not connect, make sure you are using the correct GUI/EVM combination. INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 9 Note that if data is being collected at a high frequency, then this may cause a minor delay in the collection data. For optimal performance, set device settings before you start collecting data. SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 10 This can also be done individually per plot. 4. Click the SAVE PLOT button next to each plot to save the data in a spreadsheet. INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 11 3. Connect the source ground to the GND terminal (J1 pin 1). 4. Power on the system, and observe the device states and outputs through the GUI. SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 12 4. Connect the system ground to the GND terminal (J1 pin 1). 5. Power on the system, and observe the device states and outputs through the GUI. INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 13 – For the previous example, the EVM would return the results in JSON format: {"acknowledge":"wreg 0x01 0x4121"} {"console":"Writing 0x4121 to ADC_CONFIG register"} {"evm_state":"idle"} SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 14 • Stop collecting data format: stop – The EVM would return the acknowledgment and status in JSON format: {"acknowledge":"stop"} {"evm_state":"idle"} INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...

  • Page 15: Circuitry

    R8 is used as a pullup resistor for the ALERT pin, which is routed to both J2 and J3. LED D2 and current limiting resistor R7 are used to indicate when the ALERT has triggered. SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...

  • Page 16: Schematics, Pcb Layout, And Bill Of Materials

    4.7k ALERT 4.7k TP10 0.01 100V 0.1uF INA236AIYBJR +3V3 +3V3 +3V3 MNT_1 MNT_2 MNT_3 MNT_4 CUS-14TB Figure 6-1. SENS079 Schematic INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 17 These assemblies must comply with workmanship standards IPC-A-610 Class 2, unless otherwise speci e d. ¤ Figure 6-2. SENS079 Hardware Schematic SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 INA234EVM and INA236EVM Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...

  • Page 18: Pcb Layout

    Figure 6-3. SENS079 Top View Figure 6-4. SENS079 Top Layer Figure 6-5. SENS079 Bottom View Figure 6-6. SENS079 Bottom Layer INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...

  • Page 19: Bill Of Materials

    Table 6-1 through Table 6-2 are variant specific, while Table 6-3 shows the parts common to both SENS079 variants. Table 6-1. INA234EVM Exclusive Bill of Materials Designator QTY Value Description Package Reference Part Number Manufacturer 28-V, 12-Bit, I2C Output Current, Voltage, and Power Monitor...

  • Page 20: Revision History

    NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision * (May 2021) to Revision A (February 2022) Page • Removed SCB as a kitted item...........................3 INA234EVM and INA236EVM SBOU264A – MAY 2021 – REVISED FEBRUARY 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated...
  • Page 21 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...

This manual is also suitable for:

Ina236evm

Table of Contents