• Recent Forum Posts

    Upik

    1000w smps based on LUDO3232

    @mr.silvio

    Thanks for your help. I have esr meter to know the frequence. Can you direct me, how to make faraday screen on the transformer.

    Upik Today, 03:00 AM Go to last post
    Silvio

    1000w smps based on LUDO3232

    @ Upik

    If you are using my pcb then you have a separate PWM board from the main pcb. You can follow the supply rails to it from schematic.

    Silvio Yesterday, 06:53 PM Go to last post
    Upik

    1000w smps based on LUDO3232

    Yes for my 2nd half primary roll is the same as you do, but because I think pad 9 is the center of both primary windings. So I connect the primary center

    Upik Yesterday, 02:24 AM Go to last post
    Silvio

    1000w smps based on LUDO3232

    Dead time can be set with fixed resistor 33 ohms You can measure vr2 with ohm meter and set value

    Current transformer is 22 turns R10

    Silvio 04-22-2018, 10:42 PM Go to last post
    Upik

    1000w smps based on LUDO3232

    So for pad 9. is the middle between two primary windings, true or not mr.silvio

    Upik 04-22-2018, 01:02 PM Go to last post
    Upik

    1000w smps based on LUDO3232

    I do not have an ociloscope, how can i determine dead time. I will make smps, same persisis with which you post. At what time direction vr2 is right.

    Upik 04-22-2018, 12:46 PM Go to last post
    Silvio

    1000w smps based on LUDO3232

    Hi Upik

    direction of rotation of windings are all the same direction if you follow my instructions given in the last post.

    VR1

    Silvio 04-22-2018, 08:19 AM Go to last post
    Upik

    1000w smps based on LUDO3232

    @mr.silvio
    What about the direction of rotation of the wire coil? It must be clockwise or may be for counterclockwise

    For what is the

    Upik 04-22-2018, 12:51 AM Go to last post
    Silvio

    1000w smps based on LUDO3232

    @ Upik

    Hello Upic, about the capacitors 2.5uf X 400v (C4 snd C5) well you can put 2 in number capacitors of 1uf in parallel on each side

    Silvio 04-21-2018, 05:32 PM Go to last post
    makus ele

    20000 watts per channel

    please i need speaker short circuit protection schematic diagram. i mean protect when speaker + and speaker- touch

    makus ele 04-20-2018, 01:35 PM Go to last post
  • Group Buy 2KW Class-H Amplifier

    Quote Originally Posted by lavindoo View Post
    Mr ... how to know ir2117 work well ... I am building a class H amp volt dc step-up using ir2117 ... on the negative rail can not walk ...
    Buy the PCBs, and and the amplifier its cheaper
    This article was originally published in forum thread: Group Buy 2KW Class-H Amplifier started by meanman64 View original post