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Thread: 1kW smps project (based on MicrosiM design)

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  1. #1
    diysmps Member* ludo3232's Avatar
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    1kW smps project (based on MicrosiM design)

    Hi all..

    First sorry for my bad english..

    I am new in this forum and will make a smps for my power amplifier.

    MicrosIM will help me for this project.

    I'll post here all the steps of my project.

    thank you to MicrosiM for help me in this project!

    The supply based on diagram posted here :

    http://www.diysmps.com/forums/showth...roject-1/page2

    I already discussed with MicrosiM and wait for updated schématics for my design.

    Ludo, Switzerland.

  2. #2

    Schematic

    This is the final schematic of the IR2153D, with protection and Under voltage protection

    Check, and confirm if you have collected the parts,


    The PCB I have made before, dosent include the protection circuit.
    Attached Files Attached Files
    www.diysmps.com & www.Micro-Audio.com

  3. #3
    diysmps Member* ludo3232's Avatar
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    Thank you for schematic,

    my supplier has all these components (ETD 49 core with support..) except 2sc and 2sa transistor..

    Can replace it with bc or 2n?

    the schematic is good for 15v supply? or not? i have a 2 x 9vac 10Va print transformer.

    Thank you very much.

  4. #4
    Quote Originally Posted by ludo3232 View Post
    Thank you for schematic,

    my supplier has all these components (ETD 49 core with support..) except 2sc and 2sa transistor..

    Can replace it with bc or 2n?

    the schematic is good for 15v supply? or not? i have a 2 x 9vac 10Va print transformer.

    Thank you very much.

    Any pair of 2SC 2SC, same specs for those should work, I never tried BC or 2N, those are easy to find.

    yes that 18VAC 10VA transformer is perfect.

    I will post PCB modifed for ETD49, witnout the protection circuit
    www.diysmps.com & www.Micro-Audio.com

  5. #5
    this smps. will explode. after 5 min max.

  6. #6
    Hello everybody!
    I really need the PCB files and schematics for this SMPS. Can anyone send them to me?
    Thank you.

  7. #7
    diysmps Senior Member
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    Quote Originally Posted by MicrosiM View Post
    This is the final schematic of the IR2153D, with protection and Under voltage protection

    Check, and confirm if you have collected the parts,


    The PCB I have made before, dosent include the protection circuit.

    or microsim can this ultrafast igbt IRG4PC50U be used in this circuit to give an output of 3kwts

    with etd 49 ? and can overcurrent protct be added?

  8. #8
    Quote Originally Posted by stewin View Post
    or microsim can this ultrafast igbt IRG4PC50U be used in this circuit to give an output of 3kwts

    with etd 49 ? and can overcurrent protct be added?
    You can use that IGBT for up to 3KW with ETD59.

    But i dont recommend the IR2153d for such high power

    regards
    www.diysmps.com & www.Micro-Audio.com

  9. #9
    diysmps Senior Member
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    You can use that IGBT for up to 3KW with ETD59.

    But i dont recommend the IR2153d for such high power

    regards
    even if i use your design with IR2153 with gate drive 2sC and 2 SA?

    >>>By the way microsiM do you have a schematic with IR2153 and over current protection ?

  10. #10
    diysmps Member* ludo3232's Avatar
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    i found this on ebay

    http://cgi.ebay.fr/2SC1815-2SA1015-T...item3cabcba677

    no expensive... is Possible to Be fakes transistor?

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