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USB variable voltage output power supply video feedback wanted

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    USB variable voltage output power supply video feedback wanted

    Here is the video

    https://www.youtube.com/watch?v=dw3MehLAyWU&t=607s

    Here is where it goes into some details

    http://blog.deconinck.info/post/2017...e-power-supply
    Last edited by sam_sam_sam; 04-04-2021, 08:11 AM.
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps

    #2
    Re: USB variable voltage output power supply video feedback wanted

    just keep in mind that a $4 usb psu will probably go boom at some point or make your circuit live!

    Comment


      #3
      Re: USB variable voltage output power supply video feedback wanted

      Originally posted by stj View Post
      just keep in mind that a $4 usb psu will probably go boom at some point or make your circuit live!
      I have in mind using this switching power supply for this purpose

      https://www.ebay.com/itm/90W-USB-C-T...53.m2749.l2649

      This unit works pretty good I can select every voltage that it says that it can do

      I know that I not going to use a cheap charger unit for this purpose
      but I do have admit that it is a real temping to do this idea that you have do you have any charger in mind so could do what I have below—>

      I have not seen factory smoke lately and having withdrawals from not seeing any
      Last edited by sam_sam_sam; 04-04-2021, 11:45 AM.
      9 PC LCD Monitor
      6 LCD Flat Screen TV
      30 Desk Top Switching Power Supply
      10 Battery Charger Switching Power Supply for Power Tool
      6 18v Lithium Battery Power Boards for Tool Battery Packs
      1 XBox 360 Switching Power Supply and M Board
      25 Servo Drives 220/460 3 Phase
      6 De-soldering Station Switching Power Supply 1 Power Supply
      1 Dell Mother Board
      15 Computer Power Supply
      1 HP Printer Supply & Control Board * lighting finished it *


      These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

      1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
      2 Hem Saw Computer Stack Board

      All of these had CAPs POOF
      All of the mosfet that are taken out by bad caps

      Comment


        #4
        Re: USB variable voltage output power supply video feedback wanted

        i use an imax-B6 clone to get 80w and upto 24v in 0.1v steps.
        there is a nice clone with the added function of variable voltage & current psu-mode.
        (and an XT60 output connector - which is really good!)

        Comment


          #5
          Re: USB variable voltage output power supply video feedback wanted

          Just what added functions dose it have are you talking about version 2
          9 PC LCD Monitor
          6 LCD Flat Screen TV
          30 Desk Top Switching Power Supply
          10 Battery Charger Switching Power Supply for Power Tool
          6 18v Lithium Battery Power Boards for Tool Battery Packs
          1 XBox 360 Switching Power Supply and M Board
          25 Servo Drives 220/460 3 Phase
          6 De-soldering Station Switching Power Supply 1 Power Supply
          1 Dell Mother Board
          15 Computer Power Supply
          1 HP Printer Supply & Control Board * lighting finished it *


          These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

          1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
          2 Hem Saw Computer Stack Board

          All of these had CAPs POOF
          All of the mosfet that are taken out by bad caps

          Comment


            #6
            Re: USB variable voltage output power supply video feedback wanted

            not version2,
            a clone of the original with added software modes.
            https://www.aliexpress.com/item/33046267239.html
            DO NOT BUY THE PSU WITH IT.
            it's a 1.5A delta supply re-housed in a 5A shell.
            good supply - but not if you need 5A!!!
            Attached Files

            Comment

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