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BOOSTXL-DRV3245AQ1: MOSFETs are not turning on when INHx and INLx pins are high in 6x PWM mode.

Zach Radlicz
Prodigy 10 points
Part Number: BOOSTXL-DRV3245AQ1

I have verified that SPI is set up correctly, nFAULT pin is not giving any warnings or faults, and registers are values as expected. I am driving the INH/Lx pins with an ST microcontroller at 30kHz PWM frequency. Please help in determining why the MOSFETs and GH/Lx pins are not turning on. 

  • 0
    TI__Mastermind 18981 points

    Hi Zach, 

    Thanks for reaching out regarding TI DRV support. 

    Do you have a TI FAE you are working with on this device development? 

    DRV3245 is a functional safety part, so we should refrain from posting the device information on the public e2e forum.

    However, I do have an idea of what might be causing your problem - so I will follow up via your myTI registered email 

    Thanks and Best Regards, 
    Andrew