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Step-up Boost CV CC Power Supply LED Driver

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    #1

    Step-up Boost CV CC Power Supply LED Driver

    I bought one of these and tried out

    https://www.ebay.com/itm/400W-DC-DC-...53.m2749.l2649

    400W DC-DC Step-up Boost Converter Constant Current Power Supply LED Driver GD
    I bought three more of them for some other project that I have in mind

    It seems to work very well the heat sinks do get a little warm but you do expect this

    I will recap the board it has Taicon brand caps on it

    Input 12 volts @ 600 milliamperes output 42 volts @ 70 milliamperes I will probably up the current a little bit more for more brightness as long as the LED module does not get very warm

    This is going to work for the battery operated LED Yard Light that I am building

    This is a test LED module that I was using I have not decided what I am going to with this LED module yet because the fixture is not water tight I might make battery operated one for inside the house
    Attached Files
    Last edited by sam_sam_sam; 08-11-2018, 09:06 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
    Tags: None
    #2
    Re: Step-up Boost CV CC Power Supply LED Driver

    Where did you get that LED module from?
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment

      #3
      Re: Step-up Boost CV CC Power Supply LED Driver

      It was given to me I have two of them with the same problem

      The switching power supply has issues which I have not figured out what wrong with it
      Also the power board is potted and kind a damaged it trying to remove the potting
      Last edited by sam_sam_sam; 08-11-2018, 06:27 PM.
      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

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