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EVM User's Guide: INA790AEVM, INA790BEVM, INA791AEVM,
INA791BEVM
INA79xx Evaluation Module
Description
The INA79xEVM features the INA790x –4V to 110V,
bidirectional, ultra-precise, current-sense amplifier
™
with 75A EZShunt
technology. The INA790 also
features enhanced PWM rejection. The EVM provides
a platform that facilitates gain and reference voltage
configuration.
Get Started
1. Order the EVM from ti.com.
2. Read the EVM user's guide.
3. Start evaluating.
SBAU461 – MAY 2024
Submit Document Feedback
4. Refer to the product data sheet or
questions and support.
Features
•
Evaluation of all sensitivity options for the
and INA791
•
Ease-of-access to device pins with test points
•
Evaluation of high-side and low-side configurations
Applications
•
Motor
•
Injection molding machine,
Copyright © 2024 Texas Instruments Incorporated
drives, solenoids, and actuators
cordless power tools
INA79xx Evaluation Module
Description
E2E
for
INA790
1
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Related Manuals for Texas Instruments INA790AEVM
Summary of Contents for Texas Instruments INA790AEVM
- Page 1 Description EVM User's Guide: INA790AEVM, INA790BEVM, INA791AEVM, INA791BEVM INA79xx Evaluation Module 4. Refer to the product data sheet or Description questions and support. The INA79xEVM features the INA790x –4V to 110V, Features bidirectional, ultra-precise, current-sense amplifier ™ with 75A EZShunt technology.
- Page 2 TI website at www.ti.com for further information regarding this product. Table 1-1. INA79xEVM Kit Contents ITEM QUANTITY INA790AEVM, INA790BEVM, INA791AEVM or INA791BEVM Test Board 1.3 Specification Figure 1-1 shows the device block diagram. Bus Common Mode Voltage: 0.1 F -4V to 110V 2.7V to 5.5V...
- Page 3 15-pin VQFN package Table 1-2 lists the available sensitivity options. Table 1-2. INA79x Device Summary PRODUCT Grade PWM Rejection INA790A INA790B INA791A INA791B SBAU461 – MAY 2024 INA79xx Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 4 Evaluation Module Overview www.ti.com 1.5 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 the recommended electrical rated voltage and power limits. Always use electrical safety precautions to help ensure your personal safety and those working around you.
- Page 5 3-1. When using external reference, the voltage source can be connected through J6 or TP4. Configuration options provided by the EVM are shown in Table 2-2. SBAU461 – MAY 2024 INA79xx Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 6 The INA79x can be configured to allow for unidirectional or bidirectional operation. • The INA79x gain can be configured to optimize output voltage swing. INA79xx Evaluation Module SBAU461 – MAY 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 7 Failure to do so can result in damage to the EVM, or personal injury. Do not touch the high voltage V terminals. Hot surface. Contact can cause burns. Do not touch. SBAU461 – MAY 2024 INA79xx Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 8 DUT package and placing a thermal sensor directly on the thermal grease. See Thermal Implementation Guide for In-Package Magnetic Current Sensors for tips on thermal best practices. INA79xx Evaluation Module SBAU461 – MAY 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 9 4 Hardware Design Files 4.1 Schematics Figure 4-1 shows the schematic of the A1 sub board on the INA790AEVM PCB. All INA790xEVM orderables use the same circuit and same PCB layout. Only U1 is unique among the orderables. Figure 4-1. Schematic SBAU461 –...
- Page 10 PCB layers of the EVM. Figure 4-2. Top Layer Figure 4-3. Signal Layer 1 Figure 4-4. Signal Layer 2 Figure 4-5. Bottom Layer INA79xx Evaluation Module SBAU461 – MAY 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 11 Hardware Design Files 4.3 Bill of Materials Table 4-1shows the BOM of INA790AEVM. Only U1 is different for the rest of the INA79xEVM variants. Table 4-1. Bill of Materials Designator Quantity Value Description Package Reference Part Number Manufacturer CAP, CERM, 1uF, 50V, +/- 10%, X6S, 0603...
- Page 12 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 13 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 14 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 15 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 16 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 17 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 © 2023, Texas Instruments Incorporated...
- Page 18 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 © 2024, Texas Instruments Incorporated...
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