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  • TI Thinks Resolved

TPS22810: VIN_VOUT ON for Enabling DC/DC, but QOD for Discharging of output DC/DC

Part Number: TPS22810

I would like to know if this can be used in this way. typical application QOD is connected to VOUT via R for discharge. but what I am thinking is enabling for DC/DC, QOD is for output of DC/DC which needs quick discharging. regards, NY

  • Hi NY,

    Thanks for reaching out on E2E.

    I see a potential issue with VOUT of the TPS22810. There's nothing to pull-down the output of the load switch, so it might remain floating if EN is disabled. Could you simply put the TPS22810 at the output of the DC/DC converter, and use the QOD in that way?

    Thanks,

    Arthur Huang

  • In reply to Arthur_Huang:

    Hi Huang, 

    Thank you very much for your answer. I just noted that I forgot putting pull-down at EN node. so I think this works if my understand is correct, or will consider the way as you suggested. 

    Regards, Naoki Yada

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