Texas Instruments DRV8328 EVM Series, Руководство пользователя, Страница: 17 / 29

Figure 5-3. DRV8328A_DRV8328C_EVM GUI loaded with default settings
5.2 DRV8328AEVM GUI Quick Start Guide
1. Enter the PWM frequency in Hz using the “PWM Frequency (Hz)” text box. Press Enter.
2. Adjust the MCU dead time and Acceleration Delay values. For DRV8328A/B, it is recommended to use the
DT potentiometer and set MCU dead time to 0 ns.
3. Click on the “Output Enable” switch.
4. To control the motor speed using the potentiometer R91, turn the potentiometer all the way counterclockwise
to set to 0% speed. Click on the “Potentiometer Enable” switch to use the potentiometer to control the speed
of the motor. If you do not wish to use the potentiometer, skip this step.
5. Turn the potentiometer clockwise or adjust the “Duty Cycle” slider to control the speed of the motor from 0%
to 100%.
6. Use the “Direction” switch to switch the direction of the motor.
7. Use the drop-down menu in “Motor Braking” to determine the motor braking type. Click on “Stop Motor” to
stop the method with the selected braking type.
5.3 Using the DRV8328AEVM-GUI
The GUI offers the following features:
MOTOR CONTROL SETTINGS
• Output Enable – Global enable flag to run the motor at the selected duty cycle.
www.ti.com Firmware and GUI Application
SLVUCD3A – NOVEMBER 2021 – REVISED AUGUST 2022
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DRV8328xEVM User's Guide 17
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