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TMS570lc4357: Epwm with tripzone issue

Abhijith Raghavendra
Intellectual 660 points

Part Number: TMS570LC4357
Other Parts Discussed in Thread: TMS570LC4357

Hi ,

 I am using TMS570LC4357 controller and trying to do EPWM with trip zone experiment . When i configure EPWM in HCG with out trip zone selected i am able to generate PWM but when i enable trip zone TZ1 just to see the working of TZ i am not able to generate PWM only . Can anyone help me out in this ?.

  • 0
    TI__Guru**** 199216 points
    Hello,

    If the trip-zone module is enabled, the ePWM module will react to the trip input. The fault (trip input) may force the PWM to HIGH or LOW or high-impedance. Please let me know your settings in trip-zone register. Thanks