Wolfspeed Power Applications Forum

Wolfspeed Technical Community:

SpeedFit™ Design Simulator

Simulate and evaluate the performance of SiC-based power circuits and determine the right SiC device in seconds.

Start a Simulation

Categories

Output of the Auxiliary power board

Jimmy
Jimmy Contributor Level 2
edited August 2023 in General

When I test the output voltage P_15V and D_6.5V of the auxiliary power board for CRD-22AD12N (just give the power to auxiliary power board, not connected to the main power board), I got 18.6V and 9.8V respectively, why this happens?

Thanks~

Tagged:

Comments

  • Forum_Moderator
    Forum_Moderator Wolfspeed Employee - Contributor Level 4

    Thank you for your post, it has been approved and we will respond as soon as possible.

  • SGupta
    SGupta Wolfspeed Employee - Contributor Level 1

    Hi Jimmy

    You are correct. When you will test auxiliary power board without connecting to main board, you will get 18.6V and 9.8V as you mentioned. But, when the auxliary board is loaded and connected to the main board, you will get 15V and 6.5V respectively.

  • TBhatia
    TBhatia Wolfspeed Admin - Contributor Level 5

    Hi, I hope that this answered your question. I will close this discussion for now but if you have a follow up question, please "Start a New Discussion" and we would be glad to support you further

This discussion has been closed.