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Visitor II
March 13, 2025
Question

PWM Deadtime

  • March 13, 2025
  • 2 replies
  • 346 views

I need to generate deadtime of top and bottom PWM CH1 and CH1N about 1.5us. I set deadtime 190 and it has 1.5us deadtime, but I dont understand... I need you :loudly_crying_face:

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    2 replies

    Super User
    March 13, 2025

    > I need you :loudly_crying_face:

    This doesn't help.

    You need to consult reference manual Section 17.4.18: TIM1 and TIM8 break and dead-time register (TIMx_BDTR) for delay calculation.

    hth

    KnarfB

    Super User
    March 13, 2025

    What is your timer clock speed? 1.5us over 190 ticks is about 125 MHz. Seems reasonable.