Texas Instruments INA2191EVM User Manual
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Texas Instruments INA2191EVM User Manual

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User's Guide
INA2191EVM
This user's guide describes the characteristics, operation, and use of the INA2191 evaluation module (EVM).
This EVM is designed to evaluate the performance of the dual-channel, bidirectional, voltage-output, INA2191
current shunt monitor in a variety of configurations. Throughout this document, the terms evaluation board,
evaluation module, and EVM are synonymous with the INA2191EVM. This document also includes a schematic,
reference printed circuit board (PCB) layouts, and a complete bill of materials (BOM).
SBOU254A – JANUARY 2021 – REVISED JUNE 2021
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ABSTRACT
Copyright © 2021 Texas Instruments Incorporated
INA2191EVM
1

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Summary of Contents for Texas Instruments INA2191EVM

  • Page 1 Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the INA2191EVM. This document also includes a schematic, reference printed circuit board (PCB) layouts, and a complete bill of materials (BOM).

  • Page 2: Table Of Contents

    Figure 5-13. INA2191EVM Top Layer Single Panel........................15 Figure 5-14. INA2191EVM Bottom Layer for Single Panel......................15 Figure 5-15. INA2191EVM Top Solder for Single Panel......................Figure 5-16. INA2191EVM Bottom Solder for Single Panel...................... Figure 5-17. INA2191EVM Drill Drawing for Single Panel......................16 List of Tables Table 1-1.

  • Page 3: Overview

    Connector Pin receptacle 3-331272-8 Shunt, 100mil, gold plated, black SNT-100-BK-G 1.2 Related Documentation From Texas Instruments This document provides information regarding Texas Instruments' integrated circuits used in the assembly of the INA2191EVM. Table 1-3. Related Documentation Document Literature Number INA2191...

  • Page 4: Hardware

    2 Hardware The INA2191EVM provides a basic functional evaluation of the INA2191. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for electromagnetic compatibility (EMC) testing. The INA2191EVM is one PCB with five optional PCB cutouts the engineer can use to test each of the five gain options (1 to 5)

  • Page 5: Operation

    3 Operation 3.1 Quick Start Setup Follow these procedures to set up and use one of the INA2191EVM panels. For these instructions, n is gain option 1, 2, 3, 4, or 5. 1. Choose the desired gain option by choosing the panel with the label showing the desired gain.
  • Page 6 Output voltage with respect to ground is equal to the gain of the device multiplied by the differential voltage plus the reference voltage, where the differential voltage is the exact voltage from IN+ to IN– input pins. INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 7: Evm Components

    EVM Components 4 EVM Components This section summarizes the INA2191EVM components. For these instructions, n is gain option 1, 2, 3, 4, or 5. 4.1 R1n, R2n, R3n, R4n, R5n, R6n, C1n, C2n, C4n, C5n R1n, R2n, R3n, R4n, R5n, R6n are factory-installed 0-Ω 0603 resistors.

  • Page 8: Schematic, Pcb Layout, And Bill Of Materials

    5.1 Schematics Figure 5-1 through Figure 5-5 show the schematics for the A pinout of the INA2191EVM PCB for all gain options. Figure 5-1. INA2191EVM Schematic: Gain A1 Panel INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback...

  • Page 9: Figure 5-2. Ina2191Evm Schematic: Gain A2

    Schematic, PCB Layout, and Bill of Materials Figure 5-2. INA2191EVM Schematic: Gain A2 Panel SBOU254A – JANUARY 2021 – REVISED JUNE 2021 INA2191EVM Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 10: Figure 5-3. Ina2191Evm Schematic: Gain A3

    Schematic, PCB Layout, and Bill of Materials www.ti.com Figure 5-3. INA2191EVM Schematic: Gain A3 Panel INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 11: Figure 5-4. Ina2191Evm Schematic: Gain A4 Panel

    Schematic, PCB Layout, and Bill of Materials Figure 5-4. INA2191EVM Schematic: Gain A4 Panel SBOU254A – JANUARY 2021 – REVISED JUNE 2021 INA2191EVM Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 12: Figure 5-5. Ina2191Evm Schematic: Gain A5

    Schematic, PCB Layout, and Bill of Materials www.ti.com Figure 5-5. INA2191EVM Schematic: Gain A5 Panel INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 13: Pcb Layout

    Schematic, PCB Layout, and Bill of Materials 5.2 PCB Layout Figure 5-6 through Figure 5-12 show the PCB layout for the INA2191EVM. Figure 5-6. INA2191EVM Top Overlay Figure 5-7. INA2191EVM Bottom Overlay SBOU254A – JANUARY 2021 – REVISED JUNE 2021 INA2191EVM Submit Document Feedback Copyright ©...

  • Page 14: Figure 5-8. Ina2191Evm Top Layer

    Schematic, PCB Layout, and Bill of Materials www.ti.com Figure 5-8. INA2191EVM Top Layer Figure 5-9. INA2191EVM Bottom Layer Figure 5-10. INA2191EVM Top Solder Figure 5-11. INA2191EVM Bottom Solder INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback...

  • Page 15: Panel

    Schematic, PCB Layout, and Bill of Materials Figure 5-13. INA2191EVM Top Layer Single Panel Figure 5-12. INA2191EVM Drill Drawing Figure 5-15. INA2191EVM Top Solder for Single Figure 5-14. INA2191EVM Bottom Layer for Single Panel Panel SBOU254A – JANUARY 2021 – REVISED JUNE 2021...

  • Page 16: Panel

    Schematic, PCB Layout, and Bill of Materials www.ti.com Figure 5-16. INA2191EVM Bottom Solder for Single Figure 5-17. INA2191EVM Drill Drawing for Single Panel Panel INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 17: Bill Of Materials

    Schematic, PCB Layout, and Bill of Materials 5.3 Bill of Materials Table 5-1 provides the parts list for the INA2191EVM. Table 5-1. Bill of Materials Designator Quantity Value Description PackageReference PartNumber Manufacturer CAP, CERM, 0.1 uF, 50 V, C31, C32, C33, C34, C35 5 0.1uF...
  • Page 18 C41, C42, C43, C44, CAP, CERM, 1000 pF, C45, C51, C52, C53, 1000pF 25 V, +/- 10%, C0G/NP0, 0603 C0603C102K3GACTU Kemet C54, C55 0603 INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 19 SH5, SH6, SH7, SH8, SH9, SH10, SH11, SH12, Shunt, 100mil, Gold Shunt SNT-100-BK-G Samtec SH13, SH14, SH15, plated, Black SH16, SH17, SH18, SH19, SH20 SBOU254A – JANUARY 2021 – REVISED JUNE 2021 INA2191EVM Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 20: Revision History

    NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision * (January 2021) to Revision A (June 2021) Page • Removed preview notice for the INA2191......................INA2191EVM SBOU254A – JANUARY 2021 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 21 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 22 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 23 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 24 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 25 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 26 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products.IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2021, Texas Instruments Incorporated...

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