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Thread: 1000w smps based on LUDO3232

  1. #301
    diysmps Senior Member
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    Berarti pcb yang saya buat sudah tepat mr.silvio

  2. #302
    .... Silvio's Avatar
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    Quote Originally Posted by Upik View Post
    Berarti pcb yang saya buat sudah tepat mr.silvio

    ????????????? English please

  3. #303
    diysmps Senior Member
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    Quote Originally Posted by Silvio View Post
    ????????????? English please
    Is my pcb already proper mr.silvio ??

  4. #304
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    Quote Originally Posted by Silvio View Post
    ????????????? English please
    If you have the same pcb like in photo it may be ok except for the long traces to the gates. I suggest you try it out and see how it works.

  5. #305
    diysmps Senior Member
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    Quote Originally Posted by Silvio View Post
    If you have the same pcb like in photo it may be ok except for the long traces to the gates. I suggest you try it out and see how it works.
    For the trace gate driver I have updated, hopefully it is good ,, as in the following picture
    HB3000W V3_1.jpg

    HB3000W V3.pdf
    Last edited by Upik; 07-13-2018 at 04:59 PM.

  6. #306
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    Quote Originally Posted by Upik View Post
    For the trace gate driver I have updated, hopefully it is good ,, as in the following picture
    HB3000W V3_1.jpg

    HB3000W V3.pdf
    It looks much better now as far as the gate drive traces are concerned. What kind of heatsink are you going to use on the switchers now? I believe you need some kind of angle aluminium and it better be a bit thick like 5mm or 6mm to get good dissipation and heat transfer


    heatsink.JPG

  7. #307
    diysmps Senior Member
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    My pwm card is not working well, please check where its wrong.smp always experience protek, do not want to start, but if protection card not in use, smp can work

  8. #308
    diysmps Senior Member
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    This is my protection card
    protect card.pdf

  9. #309
    .... Silvio's Avatar
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    Quote Originally Posted by Upik View Post
    This is my protection card
    protect card.pdf
    It looks ok. I think if you have more current in the primary of EE65 transformer then you have to make less turns on the current transformer secondary Try 15-18 turns instead of 22turns. Otherwise it will start tripping the overload early.

  10. #310
    diysmps Senior Member
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    I have tried 15 turns, but it still does not work properly

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