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DRV8703-Q1-EVM
This user's guide is provided with the DRV8703-Q1 customer evaluation module (EVM) as a supplement
to the DRV8703-Q1 data sheet. This document details the hardware implementation of the EVM and how
to use DRV8703-Q1 EVM GUI application.
1.1
Board Overview
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NexFET, MSP430 are trademarks of Texas Instruments.
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SLVUAW3A – October 2016 – Revised October 2018
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DRV8703-Q1 EVM User's Guide
Figure 1. Board Components
Copyright © 2016–2018, Texas Instruments Incorporated
SLVUAW3A – October 2016 – Revised October 2018
DRV8703-Q1 EVM User's Guide
User's Guide
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Summary of Contents for Texas Instruments DRV8703-Q1
- Page 1 DRV8703-Q1-EVM This user's guide is provided with the DRV8703-Q1 customer evaluation module (EVM) as a supplement to the DRV8703-Q1 data sheet. This document details the hardware implementation of the EVM and how to use DRV8703-Q1 EVM GUI application. Board Overview Figure 1.
- Page 2 3.5-in × 2.2-in compact form factor. An MSP430G2553 device is used to control the speed and direction of the motor, while also monitoring the motor current from the DRV8703-Q1 device. The power stage is created using the DRV8703-Q1 H-bridge gate driver and the CSD18540Q5B N-channel NexFET™...
- Page 3 To Motor — Two-port bulk header to connect the brushed DC motor. To Power Supply — Two-port power-supply bulk header. This header accepts supplies from 5.9 V to 45 V. SLVUAW3A – October 2016 – Revised October 2018 DRV8703-Q1 EVM User’s Guide Submit Documentation Feedback Copyright © 2016–2018, Texas Instruments Incorporated...
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Page 4: Gui Application
DC output from 5.9 to 45 V. First the brushed DC motor is connected to the motor terminal block on the DRV8703-Q1 EVM. Next the micro-USB cable is connected to the PC and to the DRV8703-Q1 EVM. Finally the power supply is connected to the DRV8703-Q1 EVM. Verify any faults by testing the nFAULT pin voltage to be 3.3V (pulled logic low if a fault condition exists). - Page 5 Section 2.3). Step 4. Click on the DRV8703-Q1 EVM shortcut either on the desktop or from the start menu to run the GUI application. Step 5. The Serial Port page displays a list of COMs available for opening the connection as shown Figure 5.
- Page 6 GUI Application www.ti.com Figure 6. DRV8703-Q1-EVM GUI (COM Opened) Step 8. Click on the Menu icon in the top-left corner of the GUI to open a side-bar menu. Using the side-bar menu, navigate to the following pages or sub-pages at any time: •...
- Page 7 Figure 7. DRV8703-Q1-EVM GUI (Introduction Page) 2.3.2 Registers Page This page shows all the registers and register fields present on the DRV8703-Q1. The page allows reading, writing, or both to any register, register field, or bit as shown in Figure Figure 8.
- Page 8 2.3.3 Motor Control Page This page has different widget controls to control the motor as show in Figure Figure 9. DRV8703-Q1-EVM GUI (Motor Control Page) DRV8703-Q1 EVM User’s Guide SLVUAW3A – October 2016 – Revised October 2018 Submit Documentation Feedback...
- Page 9 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2018, Texas Instruments Incorporated...
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