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GUI Application
2
GUI Application
2.1
Installation
Follow these steps to get started:
Step 1. Install the GUI.
Download and run the installer, Setup_DRV8703-Q1_DRV8703Q1EVM.exe, to install the GUI
application.
Step 2. Install the FTDI device driver.
If the FTDI USB device driver is not already installed, the driver must be installed manually. The device
driver setup can be found in the C:\Program Files (x86)\Texas Instruments\DRV8703-
Q1\FTDI_USB_DRIVER folder after successfully completing the installation in
CDM21216_Setup.exe file in this folder and follow the installation instructions.
2.2
Hardware Setup
The hardware required to run the motor control is a micro-USB cable, the DRV8703-Q1 EVM, and a
power supply with a 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).
2.3
DRV8703-Q1 EVM GUI
The DRV8703-Q1 EVM_GUI is provided with the DRV8703-Q1 EVM to control a brushed DC motor and
manipulate various settings. The GUI provides functionality for adjusting the speed and direction of the
motor, adjusting the current-regulation limit, observing the measured drive current, and monitoring the
device status.
Use these steps to control the DRV8703-Q1 EVM through the GUI application:
Step 1. Attach the brushed DC motor
4
DRV8703-Q1 EVM User's Guide
Figure 4. DRV8703-Q1-EVM GUI (Motor Control Page)
Copyright © 2016–2018, Texas Instruments Incorporated
Step
1. Run the
SLVUAW3A – October 2016 – Revised October 2018
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