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DC Short Circuit, DCLink Voltage Reversal, and Wolfspeed SiC MOSFET Body Diode Failure

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petercs
petercs Contributor Level 1
in Discrete Products

Do you recognize the problem with SiC MOSFET devices that they can fail from voltage reversal when the DC Link experiences a short circuit?

Please read the attached report.

TD006 DCShort Wolfspeed MOSFET Diode.docx

Regards, Peter Cox-Smith

Cox-Smith Consultants Ltd, UK.

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  • Forum_Moderator
    Forum_Moderator Wolfspeed Employee - Contributor Level 5
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    Thank you for your post, it has been approved and we will respond as soon as possible.

    petercs
  • petercs
    petercs Contributor Level 1
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    Thanks for looking at this issue. Can you please respond as I have more test results (10 units) that show failure of the body diode in Wolfspeed devices type CPM3 002112 0D ? I need to respond to my client next week and it would be valuable to include Wolfspeed's opinion.

    Regards, Peter

    Peter Cox-Smith, Cox-Smith Consultants Ltd.

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