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Thread: Has any one had any luck converting a standard PC power supply to a DC to DC unitl?

  1. #1
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    Has any one had any luck converting a standard PC power supply to a DC to DC unitl?

    Hi,

    In doing some preliminary research for my car PC project everything I have read has said trying to build a DC to DC power supply is not worth it. And have suggested buying an off the self unit. I was wondering if any one has any luck trying to convert a standard PC Power supply to a DC to DC.

    I ask because I have 3 350w units collecting dust that I would like to use for something.

    Thoughts?

  2. #2
    Variable Bitrate FyreDaug's Avatar
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    I extremely highly doubt its possible.

  3. #3
    MySQL Error jcdillin's Avatar
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    someone did it, they had to rewind the transformer, from what I remember it was noisy and didnt have a whole lot of power.
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  4. #4
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    I think OPUS is the answer you are looking for
    TruckinMP3
    D201GLY2, DC-DC power, 3.5 inch SATA

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  5. #5
    And then I was mod. Tidder's Avatar
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    Yeah, not possible if I remember right, cause the AC side converts to alot higher voltage than 12v dc. It jumps it pretty high, then the DC part takes that and steps it down to the 12, 5, and 3.3 stuff. From what I've read anyway.
    Tidder

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  6. #6
    It ain't easy being a green moderator meddler's Avatar
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    It can be done. There were a couple of sites around that showed it done, but none of them gave you a real lot of detail on how to complete the mod successfully. You need to know exactly what you are doing before you embark on trying this. My suggestion is, that unless you are very experienced in electronics, I would lokk at other options. The best two options are look at Mastero's kit or buy a commercial unit (read opus).
    Never let the truth get in the way of a good story

  7. #7
    Constant Bitrate
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    presslab

    Will return loads of threads about rewinding transformers. Not done it myself though.

  8. #8
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Do you really what to risk it? You could damage yourself and any component to hooked up to it.
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    D201GLY2, DC-DC power, 3.5 inch SATA

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  9. #9
    Constant Bitrate
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    There is definately a post somewhere on this forum about it coz I remember looking into it. There are various tutorials and yes, they involve winding a transformer. I would imagine it would be difficult to follow a tutorial on this as most power supplies are different inside (although they would have the same basic configuration).

  10. #10
    Low Bitrate crazymadbastard's Avatar
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    Quote Originally Posted by Tidder
    Yeah, not possible if I remember right, cause the AC side converts to alot higher voltage than 12v dc. It jumps it pretty high, then the DC part takes that and steps it down to the 12, 5, and 3.3 stuff. From what I've read anyway.

    this is the way I always thought the ac p/s worked. Seems doable.
    Iwill ZPCgx 2.4ghz cel, 256mb pc2700, external combo drive, 80gb 2.5 laptop drive, xp pro, usb gps, 7 in Lilliput TS , carnetix CNX1900. All mounted ghetto- still experimenting and tweaking.

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