Texas Instruments INA229 User Manual
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Texas Instruments INA229 User Manual

Texas Instruments INA229 User Manual

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User's Guide
INA228, INA229, INA237, INA238, and INA239 EVM User's
Guide
Mitch Morse
This user's guide describes the characteristics, operation, and use of the INA228, INA229, INA237, INA238, and
INA239 evaluation modules (EVMs). These EVMs are designed to evaluate the performance of the INA228,
INA229, INA237, INA238, and INA239. Throughout this document, the terms evaluation board, evaluation
module, and EVM are synonymous with the INA228EVM, INA229EVM, INA237EVM, INA238EVM, and
INA239EVM. This document includes a schematic, reference printed-circuit board (PCB) layouts, and a
complete bill of materials (BOM).
SBOU241B – APRIL 2020 – REVISED DECEMBER 2020
Submit Document Feedback
ABSTRACT
INA228, INA229, INA237, INA238, and INA239 EVM User's Guide
Copyright © 2020 Texas Instruments Incorporated
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  • Page 1 Mitch Morse ABSTRACT This user’s guide describes the characteristics, operation, and use of the INA228, INA229, INA237, INA238, and INA239 evaluation modules (EVMs). These EVMs are designed to evaluate the performance of the INA228, INA229, INA237, INA238, and INA239. Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the INA228EVM, INA229EVM, INA237EVM, INA238EVM, and INA239EVM.

  • Page 2: Table Of Contents

    Table of Contents www.ti.com Table of Contents Trademarks....................................2 2 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines..........Overview....................................5 3.1 Kit Contents..................................5 3.2 Related Documentation From Texas Instruments......................4 Hardware....................................4.1 Features..................................... Operation....................................7 5.1 Quick Start Setup................................

  • Page 3: General Texas Instruments High Voltage Evaluation (Ti Hv Evm) User Safety Guidelines

    General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines 2 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines WARNING Always follow TI’s setup and application instructions, including use of all interface components within their recommended electrical rated voltage and power limits.
  • Page 4 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines www.ti.com 3. Personal Safety a. Wear personal protective equipment (for example, latex gloves or safety glasses with side shields) or protect the EVM in an adequate lucent plastic box with interlocks to protect from accidental touch.

  • Page 5: Overview

    ALERT. The devices operate from a single supply of 2.7 V to 5.5 V, drawing < 1.1-mA current during operation and with < 5-µA current during shutdown. The output can be interfaced with a multitude of microcontrollers (MCUs) with a standard 4-wire SPI interface (INA229 and INA239) or with a standard I2C interface (INA228, INA237, and INA238).

  • Page 6: Related Documentation From Texas Instruments

    (EMC) testing. The EVM consists of two printed-circuit boards (PCBs). The larger PCB is referred to as the EVM, and has either the INA228, INA229, INA237, INA238, or INA239 installed. The smaller PCB is referred to as the SCB Controller, and is used to interface the EVM with the GUI.

  • Page 7: Operation

    The GUI only supports one EVM/device type at a time. Figure 5-2. Multiple EVMs Connected to SCB Controller SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 8 If the PAMB board is being used instead, these test points are located near PK1 and PK2. With the MCU in DFU mode, the firmware can now be uploaded through the method outlined in Step INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback...
  • Page 9 5-5. These prompts will appear after you close the README.md dialog. Figure 5-5. TI Cloud Agent SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 10 From this page, you can read and write register settings on the EVM. For questions about a register or register bit field, select the icon. For more questions about registers, check the data sheet. INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback...
  • Page 11 For optimal performance, set device settings before you start collecting data. SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 12 This can also be done individually per plot. 4. Use the "SAVE PLOT" button next to each plot to save the data in a spreadsheet. INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback Copyright ©...
  • Page 13 4. Power on the system, and observe the device states and outputs through the GUI. SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 14 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. INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback Copyright ©...
  • Page 15 – For the previous example, the EVM would return the results in JSON format: {"acknowledge":"wreg 0x01 0xfb69"} {"console":"Writing 0xfb69 to ADC_CONFIG register"} {"evm_state":"idle"} SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 16 – The EVM would return the acknowledgment and status in JSON format: {"acknowledge":"stop"} {"evm_state":"idle"} INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 17 SW1 on the EVM set to CS3, and the GUI switch setting set to CS1. SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...

  • Page 18: Circuitry

    This section describes the main INA device and supporting components. U1 is the main INA current-sensing device (either the INA228, INA229, INA237, INA238, or INA239). C1 and C2 are bypass capacitors that are placed near the sensor to help mitigate power supply noise and provide current quickly to the device when needed.

  • Page 19: Schematics, Pcb Layout, And Bill Of Materials

    MNT_2 MNT_3 MNT_4 CUS-14TB +3V3 MNT_1 MNT_2 MNT_3 MNT_4 CUS-14TB Figure 7-1. SENS063 Schematic SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 20 Assembly Note Trim the leads under J1 (back of PCB) to give clearance from surface Figure 7-2. SENS063 Hardware Schematic INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback...
  • Page 21 INA239AIDGSR ALERT 4.7k MNT_1 MNT_2 MNT_3 MNT_4 CUS-14TB +3V3 +3V3 Figure 7-3. SENS064 Schematic SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 22 Assembly Note Trim the leads under J1 (back of PCB) to give clearance from surface Figure 7-4. SENS064 Hardware Schematic INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback...

  • Page 23: Pcb Layout

    Figure 7-6. SENS063 Top Layer Figure 7-8. SENS063 Bottom Layer Figure 7-7. SENS063 Bottom View SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 24 Figure 7-10. SENS064 Top Layer Figure 7-12. SENS064 Bottom Layer Figure 7-11. SENS064 Bottom View INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...

  • Page 25: Bill Of Materials

    SW0, SW1 Slide Switch SP4T Surface Mount, Right Angle SMT_SW_11MM3_4MM1 CUS-14TB Nidec Copal Electronics SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 26 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll PCB Label 0.650 x 0.200 THT-14-423-10 Brady inch INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 27 10 mOhms ±0.5% 2W Chip Resistor 2512 (6432 Metric) Automotive AEC-Q200, Current 2512 PCS2512DR0100ET Ohmite Sense, Moisture Resistant Metal Film SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...

  • Page 28: Revision History

    Direct EVM Serial Communication section to explain how to communicate with the EVM via direct serial communication............................INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241B – APRIL 2020 – REVISED DECEMBER 2020 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated...
  • Page 29 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 30 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 31 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 32 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 33 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
  • Page 34 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2020, Texas Instruments Incorporated...
  • Page 35 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments INA228EVM INA229EVM INA237EVM INA238EVM INA239EVM...

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Ina228Ina237Ina238Ina239

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