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EVM User's Guide: INA2227EVM
INA2227 Evaluation Module
Description
The INA2227 evaluation module (EVM) is a platform
to evaluate the main features and performance of the
INA2227. The EVM supports current measurements
up to 10A per channel and comes with graphical user
interface (GUI) support to read and write to device
registers.
Get Started
1. Buy the INA2227EVM.
2. Buy the
TI-SCB sensor control
SBOU328 – MAY 2025
Submit Document Feedback
3. Download and install the
4. Read this user's guide to set up the hardware.
5. Run the INA2227EVM-GUI.
Features
•
•
•
•
board.
Copyright © 2025 Texas Instruments Incorporated
Drivers.
GUI support to read and write device registers as
well as view and save results data
EVM detached from SCB for custom use cases
Multiple EVM support with single SCB/GUI
Conveniently powered from a common micro-USB
connector through the SCB
Description
PAMB Windows USB
INA2227 Evaluation Module
1
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Summary of Contents for Texas Instruments INA2227
- Page 1 3. Download and install the PAMB Windows USB Description Drivers. The INA2227 evaluation module (EVM) is a platform 4. Read this user's guide to set up the hardware. to evaluate the main features and performance of the 5. Run the INA2227EVM-GUI.
- Page 2 1 Evaluation Module Overview 1.1 Introduction The EVM is an easy-to-use platform for evaluating the main features and performance of the INA2227. The EVM supports current measurements up to 10 amps per channel through the PCB, and includes a graphical user interface (GUI) used to read and write device registers as well as view and save results data.
- Page 3 The GUI only supports one EVM and device type at a time; up to four EVMs total. Figure 2-2. Multiple EVMs Connected to SCB Controller SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 4 When measuring more than 10A, verify that the high current path does not go through the EVM (including the terminal block J1), as shown in Figure 2-3. Figure 2-3. IN+ and IN– Wiring for More Than 10A INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 5 4. Connect the system ground to either of the GNDs on terminals J1. 5. Power on the system and observe the device states and outputs through the GUI. SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 6 This section describes the INA2227 device and supporting components. U1 is the INA2227 current-sensing device. C3 and C4 are bypass capacitors that are placed near the sensor to help mitigate power supply noise and provide current quickly to the device when needed. LED D1 with current limiting resistor R7 are used to indicate when the EVM is powered on.
- Page 7 MCU on the SCB Controller to be in DFU Mode. This can be done through either of the below methods with the SCB Controller powered on: a. Through software: • Send the command 'bsl' on the USB Serial (COM) port of the SCB. SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 8 Verify that the EVM is connected to the SCB before plugging the SCB into a USB port. 3. Open the GUI Composer application to launch the GUI from the web browser (see Figure 3-2). INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 9 Figure 3-4. Hardware Connected a. A green indicator with the device type and the text DEVICE CONNECTED is also visible near the top left of the GUI. SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 10 2. Connect the EVM to a different USB port. • Avoid using long cables and USB hubs. • If using a desktop PC, try a USB port on the back. INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 11 – Note, the SCB and GUI only support up to four EVMs at a time with the same device on each EVM. – Changing this here also changes the same setting in the Results Data tab. SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 12 To view and edit the device registers, click the (Registers) icon on the menu to the left. The Registers tab looks similar to the one shown in Figure 3-9. INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 13 For convenience, register settings can be saved and loaded back later to any device with the same register map. To do this, go to File > Register Data, as shown in Figure 3-10. SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 14 A description of how to use the buttons and settings at the top of the Results Data tab and next to each plot is below: INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 15 Change the number in this box to change the number of samples shown in each plot. – Changing this number clears out the plot buffers, so the plots are cleared on the next read. SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 16 {"acknowledge":"rreg 0x7E"} {"register":{"address":126,"value":21577}} {"evm_state":"idle"} • Write register format: wreg ADR VAL – Where ADR and VAL are in hex, and wreg is always lower case. INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 17 – For this example, the EVM returns the results and state (idle or collecting) in JSON format: {"acknowledge":"wreg 0x20 0x316F"} {"console":"Writing 0x316F to CONFIG1 register"} {"evm_state":"idle"} SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 18 Stop collecting data format: stop – Where stop is always lower case. – The EVM returns the acknowledgment and state in JSON format: {"acknowledge":"stop"} {"evm_state":"idle"} INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 19 These assemblies must comply with workmanship standards IPC-A-610 Class 2, unless otherwise speci e d. ¤ Assembly Note Trim the leads under J1 (back of PCB) to give clearance from surface Figure 4-2. Hardware Schematic SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 20 Figure 4-6 illustrate the PCB layers of the INA2227EVM. Figure 4-3. Top View Figure 4-4. Top Layer Figure 4-6. Bottom Layer Figure 4-5. Bottom View INA2227 Evaluation Module SBOU328 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 21 PCB Label 0.650 x 0.200 inch THT-14-423-10 Brady R1, R2 10 mOhms ±0.5% 2W Chip Resistor 2512 (6432 Metric) Automotive AEC-Q200, 2512 PCS2512DR0100ET Ohmite Current Sense, Moisture Resistant Metal Film SBOU328 – MAY 2025 INA2227 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
- Page 22 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 23 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 24 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 25 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 26 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 27 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 28 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 © 2025, Texas Instruments Incorporated...
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