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    4-in-1 mini ESC max ratings

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    • M
      Morten Nissov
      last edited by 19 Oct 2024, 10:58

      Hi,

      I see here that the voxl 4-in-1 mini ESC is rated for 2-4s (i.e. up to 16.8V at max charge). Maybe this is a stupid question, but is it possible to run LiHV 4s batteries with this ESC? The max voltage would then be 4.35*4 = 17.4.

      I realize this is above the rated specs, but I was curious if the difference was small enough that it was still within tolerable margins?

      Thanks

      A 1 Reply Last reply 21 Oct 2024, 19:09 Reply Quote 0
      • A
        Alex Kushleyev ModalAI Team @Morten Nissov
        last edited by 21 Oct 2024, 19:09

        @Morten-Nissov ,

        Yes, using 4S LiHV (17.4V) on the mini ESC (M0129) is totally fine - the ESC components on the ESC are rated for at least 20V. The TVS protection diode will start clamping / conducting around 19-20V, depending on temperature, etc, which means if you exceed this voltage, the TVS diode will burn out - this is the first thing that will happen during a sustained over-voltage condition.

        Alex

        M 1 Reply Last reply 27 Oct 2024, 19:26 Reply Quote 0
        • M
          Morten Nissov @Alex Kushleyev
          last edited by 27 Oct 2024, 19:26

          @Alex-Kushleyev Sorry for the delay, didn't notice the alert. But great, thanks!

          1 Reply Last reply Reply Quote 0
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