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TPS3838: Power management forum

Shota Mago
Expert 8440 points
Part Number: TPS3838


Hi team,

My customer is supposed to employ TPS3838 and he provided a question.

What will happen when CT pin is floating?
Does it(CT pin floating) output RESET even if MR is NOT reset?

I look forward to hearing back from you.

Best regards,

Shota Mago

  • 0
    TI__Genius 9375 points
    Mago-san,

    We do not recommend you leave the CT pin floating on this device. The CT pin should be connected to either Vdd or GND depending on the delay you are trying to achieve. While RESET may still be output, the delay times are going to be fluctuating and this is not the correct mode operation of this device. Is there any reason they are leaving this pin floating?

    Thanks,
    Abhinav.