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Visitor II
April 1, 2022
Question

Hello, I am using the PWD13F60 full bridge driver IC for driving an acoustic transducer. I noticed heavy ringing on the mosfet outputs. I tried suppressing it with bypass capacitors (1nF, 33nF, 100nF) with low success.

  • April 1, 2022
  • 0 replies
  • 818 views

Does someone have an idea how I can suppress the ringing and get clean rising edges of the fets? I noticed there is some kind of snubber circuit on the evalboard of the IC, but I cannot find documentation of how it can be used/what values to use. I attached an image of one of the rising edges of the mosfets (ch1).

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