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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.
SBAU461A – MAY 2024 – REVISED NOVEMBER 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 INA79 Series
Summary of Contents for Texas Instruments INA79 Series
- Page 1 1. Order the EVM from ti.com. • Injection molding machine, cordless power tools 2. Read the EVM user's guide. 3. Start evaluating. SBAU461A – MAY 2024 – REVISED NOVEMBER 2024 INA79xx Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 2 Shunt Current pullup Alert – Shunt Resistor Rejection – LOAD up to 50A EXT REF Figure 1-1. INA790 Device Block Diagram INA79xx Evaluation Module SBAU461A – MAY 2024 – REVISED NOVEMBER 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 3 Table 1-2 lists the available sensitivity options. Table 1-2. INA79x Device Summary PRODUCT Grade PWM Rejection INA790A INA790B INA791A INA791B SBAU461A – MAY 2024 – REVISED NOVEMBER 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. SBAU461A – MAY 2024 – REVISED NOVEMBER 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 SBAU461A – MAY 2024 – REVISED NOVEMBER 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. SBAU461A – MAY 2024 – REVISED NOVEMBER 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 SBAU461A – MAY 2024 – REVISED NOVEMBER 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 9 INA790xEVM and INA791xEVM. All orderables use the same circuit and same PCB layout. Only U1 is unique among the orderables. Figure 4-1. Schematic SBAU461A – MAY 2024 – REVISED NOVEMBER 2024 INA79xx Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 10 PCB layers of the EVM. Figure 4-2. Top Layer Figure 4-3. Signal Layer 1 Figure 4-5. Bottom Layer Figure 4-4. Signal Layer 2 INA79xx Evaluation Module SBAU461A – MAY 2024 – REVISED NOVEMBER 2024 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- Page 11 Solutions Test Point, Miniature, SMT TP1, TP2, TP3, TP4, Test 5015 Keystone TP5, TP6 point_Keystone_Miniature INA790AIDEKR VQFN15 Texas Instruments INA790AIDEKR SBAU461A – MAY 2024 – REVISED NOVEMBER 2024 INA79xx Evaluation Module Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated...
- 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 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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