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User's Guide
INA254 EVM User's Guide
This user's guide describes the characteristics, operation, and use of the INA254 evaluation modules (EVMs).
Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with
the INA254EVM. This document includes a schematic, reference printed-circuit board (PCB) layouts, and a
complete bill of materials (BOM).
SLOU514 – JUNE 2021
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ABSTRACT
Copyright © 2021 Texas Instruments Incorporated
INA254 EVM User's Guide
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Summary of Contents for Texas Instruments INA254EVM
- Page 1 This user’s guide describes the characteristics, operation, and use of the INA254 evaluation modules (EVMs). Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the INA254EVM. This document includes a schematic, reference printed-circuit board (PCB) layouts, and a complete bill of materials (BOM).
- Page 2 Table of Contents www.ti.com Table of Contents 1 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines..........Overview....................................5 2.1 Kit Contents..................................5 2.2 Related Documentation From Texas Instruments......................3 Hardware....................................3.1 Theory of Operation................................3.2 Features..................................... 3.3 Quick Start Setup................................
- Page 3 General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines 1 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 SLOS974 3 Hardware Each of the PCBs on the INA254EVM requires a 2.7-V to 5.5-V power supply connected between the VS and GND test points. The INA254 family of devices have an integrated shunt of value 0.4 mΩ between the IS+ and IS– pins. Connect a current source and an optional load in series with test points IS+ and IS–.
- Page 6 REF1 REF2 Figure 3-1. INA254 Block Diagram 3.2 Features The INA254EVM provides basic functional evaluation of this device family. The fixture layout is not intended for electromagnetic compatibility (EMC) testing. The INA254EVM PCB provides the following features: • All INA254 devices are provided •...
- Page 7 The IS+ and IS– pins are shorted to VIN+ and VIN– using 0-Ω resistors, respectively. The reference pins are in the split supply configuration through installed 0-Ω resistors Rx03 and Rx06the schematic of the EVM. Figure 4-1. INA254EVM Schematic SLOU514 – JUNE 2021 INA254 EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 8 4.2 Layout Figure 4-2 through Figure 4-5 illustrate the PCB layers of the EVM. Figure 4-2. Top Layer Figure 4-3. Bottom Layer INA254 EVM User’s Guide SLOU514 – JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 9 Schematics, PCB Layout, and Bill of Materials Figure 4-5. Internal Layer 2 Figure 4-4. Internal Layer 1 SLOU514 – JUNE 2021 INA254 EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 10 Schematics, PCB Layout, and Bill of Materials www.ti.com 4.3 Bill of Material Table 4-1 shows the bill of materials (BOM) for the INA254EVM. Table 4-1. Bill of Materials Designator Value Description Package Part Number Manufacturer Reference !PCB1 Printed Circuit Board...
- Page 11 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 12 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 13 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 14 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 15 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 16 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...
- Page 17 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments INA254EVM...
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