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  3. 💬 Super-capacitor-power-supply-for-wireless-sensors-w-charger

💬 Super-capacitor-power-supply-for-wireless-sensors-w-charger

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supercapboost converterpower supply
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  • O Offline
    O Offline
    openhardware.io
    wrote on last edited by openhardware.io
    #1

    https://www.openhardware.io/view/423/Super-capacitor-power-supply-for-wireless-sensors-w-charger

    TerrenceT 1 Reply Last reply
    2
    • O openhardware.io

      https://www.openhardware.io/view/423/Super-capacitor-power-supply-for-wireless-sensors-w-charger

      TerrenceT Offline
      TerrenceT Offline
      Terrence
      wrote on last edited by
      #2

      @openhardware.io Very cool.

      1 Reply Last reply
      0
      • B Offline
        B Offline
        bilbolodz
        wrote on last edited by
        #3

        Nice plese provide BOM because it's a little unclear which MIC5365/6 should be used

        1 Reply Last reply
        1
        • C Offline
          C Offline
          ceech
          Hardware Contributor
          wrote on last edited by
          #4

          Added. MIC5365/6's package is SC-70-5.

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          1
          • N Offline
            N Offline
            Noki
            wrote on last edited by
            #5

            @ceech

            I really like this design, however I think it has a problem:

            According to the datasheet the TPS610986DSET has no feature to disconnect the load at low battery voltages. I think the result will be that e.g. a ESP32 or other power hungry chips will not power up properly. The TPS63031 might therefore be a better fit.

            btw.: Do you still sell assembled versions of this design? Would you be willing to create a new version with the TPS63031 and probably also with 10 or 20F capacitors or an board to solder your own capacitors.

            Best regards
            Tobias

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