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Thread: Parasitic turn-on

  1. #1
    Beginner Beginner Fränce is on a distinguished road
    Join Date
    Jul 2019

    Parasitic turn-on

    I was wondering, is there a possibility to avoid parasitic turn-on without a negative voltage supply?

  2. #2
    New Member New Member
    Infineon Employee
    Infineon Employee
    _Lisa is on a distinguished road
    Join Date
    Apr 2021
    Good morning,

    driving the SiC MOSFET with VGS,off = 0V and a 1EDI EiceDRIVER Compact with active Miller clamp will avoid a parasitic turn on.
    Moreover, by eliminating the negative-voltage driving, the power losses of the driving stage can be reduced (~30% less, assuming VGS,off=-3V and VGS,on=20V) or for the same power losses, the VGS,on can be increased.

    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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