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User's Guide
DRV824x_DRV814x-Q1EVM User's Guide
This document is provided with the DRV824x-Q1EVM and DRV814x-Q1EVM customer evaluation module
(EVM) as a supplement to the Automotive DRV824x-Q1 H-Bridge and DRV814x-Q1 Half-Bridge Motor Driver
datasheets. This user's guide details the hardware implementation of the EVM and how to install the software
packages.
History......................................................................................................................................................................1
2
Introduction.............................................................................................................................................................................2
2.1 Overview............................................................................................................................................................................
3 Evaluation Hardware Overview.............................................................................................................................................
3.1 Connections Overview.......................................................................................................................................................
3.2 Connection Details.............................................................................................................................................................
Indicators....................................................................................................................................................................9
3.4 Headers and connectors (Hardware device variant)........................................................................................................
3.5 Headers and connectors (SPI variant).............................................................................................................................
4 EVM GUI Control Application..............................................................................................................................................
4.1 MSP430 FET Drivers.......................................................................................................................................................
4.2 Cloud-based GUI.............................................................................................................................................................
4.3 Local Installation..............................................................................................................................................................
Operation...............................................................................................................................................................14
5.1 Hardware Setup...............................................................................................................................................................
5.2 Launching the DRV824x_DRV814x-Q1EVM GUI Application.........................................................................................
Trademarks
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1 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision * (April 2021) to Revision A (July 2021)
•
Overview contents updated................................................................................................................................
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Added Note about OUT1 and OUT2 silk screen labels......................................................................................
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Updated Images for new version......................................................................................................................
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Updated Connection Sequencing.....................................................................................................................
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Updated EVM GUI operation description and Images for version 0.4.0...........................................................
•
•
Bullet Points for Passive/Active Diagnostics, Fault and Bridge Current...........................................................
•
SLVUC46A - MARCH 2021 - REVISED JULY 2021
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ABSTRACT
Table of Contents
Application.................................................................................................16
Description...................................................................................................................9
Copyright © 2021 Texas Instruments Incorporated
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Section.......................................................................21
DRV824x_DRV814x-Q1EVM User's Guide
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Summary of Contents for Texas Instruments DRV824x-Q1EVM
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Page 1: Table Of Contents
DRV824x_DRV814x-Q1EVM User’s Guide ABSTRACT This document is provided with the DRV824x-Q1EVM and DRV814x-Q1EVM customer evaluation module (EVM) as a supplement to the Automotive DRV824x-Q1 H-Bridge and DRV814x-Q1 Half-Bridge Motor Driver datasheets. This user's guide details the hardware implementation of the EVM and how to install the software packages. -
Page 2: Introduction
2.1.1 Purpose and Scope This document is designed to be used as a startup guide and to supplement the DRV824x-Q1EVM and DRV814x-Q1EVM (“EVM”). The scope of this document is to provide the user with a guide to evaluate the DRV824x-Q1 and/ or DRV814x-Q1 device using a Graphical User Interface (GUI). -
Page 3: Evaluation Hardware Overview
This connection includes fuse, reverse polarity, and transient protection. The OUT1 and OUT2 banana jacks on the DRV824x-Q1EVM can be connected to a brushed motor, inductor, or latched relay coil when used in PWM or phase/enable (PH/EN) mode. When used in independent half-bridge mode, the OUT1 pin can drive one load and the OUT2 pin can drive a second load. -
Page 4: Added Note About Out1 And Out2 Silk Screen Labels
3.2.1 Common connectors and headers across all EVM variants Figure 3-1 shows a larger view of the DRV824x-Q1EVM. Because the DRV814x-Q1EVM shares much of the same design, it will not be covered separately. The micro-USB connection at the top of the EVM is used for GUI communications, and MCU firmware updates. - Page 5 This is normal (nFAULT will always come up asserted on the DRV824x and DRV814x devices). SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 6 EVM and GUI, as well as firmware programming (some components have been removed from the picture for clarity). DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 7 Evaluation Hardware Overview The EZFET_LITE (based on the Texas Instruments MSP430F5528) is programmed at the factory with firmware that implements UART and JTAG over USB. Figure 3-3. EVM Communication Connections Table 3-2 describes each communication connection. Table 3-2. Communication Description...
- Page 8 EVM. IPROPI Figure 3-5 shows the header with user selectable R values. IPROPI DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
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Page 9: Led Indicators
Note PH/IN2 signal is not present on DRV814x-Q1EVM variants. Refer to your EVM schematic for more details. Figure 3-6. DRV824x-Q1EVM Signal and Control Header 3.3 LED Indicators Figure 3-7 shows the physical location of each LED indicator on the EVM. Placement is the same for all EVMs in the family. - Page 10 JTAG interface. EZFET_LITE power indicator (must be active for GUI control). 3.3 V for MCU (must be active for GUI control). DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
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Page 11: Headers And Connectors (Hardware Device Variant)
The and DRV824xS-Q1 and DRV814xS-Q1 SPI device variants omit all headers associated with the hardware variant described in the previous section. SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 12: Evm Gui Control Application
4 EVM GUI Control Application The GUI application is written with Texas Instruments’ GUI Composer, and can be run directly from a Chrome- based web browser, or installed onto your computer. Because GUI Composer apps are written with a NodeJS backend, the GUI application is cross-platform compatible by design. -
Page 13: Local Installation
5. You are now ready to run the GUI application on your local machine after completing the hardware setup in the next section. SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 14: Evm Gui Operation
Note The ‘S’ and ‘H’ part number decorators – these indicate either the SPI or Hardware variant of the device. DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... - Page 15 If the EVM GUI does not register a successful connection after multiple attempts do a firmware update and then select an EVM variant for connecting using the GUI application. Figure 5-2. Successful EVM Connection SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
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Page 16: Using The Drv824X_Drv814X-Q1Evm Gui Application
"Off " mode enables a manual read. Auto-read set to "off" is helpful for reducing SPI chatter when using a logic analyzer or performing EMC measurements. Figure 5-4. SPI device variant Register Map Page DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... -
Page 17: Bullet Points For Passive/Active Diagnostics, Fault And Bridge Current
The high side connection connects the load between VM and OUT while the low side connection connects the load between OUT and GND as can be seen in Figure 5-6 SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... - Page 18 With the DRV824x devices, the GUI allows to switch between high side and low side load connection only using the Independent Half-Bridge mode selection pop-up window. DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 19 PH/IN2 are selected using the switches in the GUI. It may take a few seconds for the pull up, pull down SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
- Page 20 ENABLE DRIVER Directly controls the DRVOFF pin. When the bridge control is active the user cannot observe the passive diagnostics. DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
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Page 21: Updated Image And Instructions In Updating Firmware Section
The user can update the EVM to the latest firmware by simply going to File -> Program Device from either the EVM Home Page or the Driver Control page as shown in Figure 5-10. Figure 5-10. Update Firmware SLVUC46A – MARCH 2021 – REVISED JULY 2021 DRV824x_DRV814x-Q1EVM User’s Guide Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated... - Page 22 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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