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Thread: Tips for my project

  1. #1
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    Tips for my project

    Hi all!
    I've decided to put a pc in my car....
    I red some useful site like dashpc.com, mp3car.com and some other italian sites....
    My project si a little bit different than any other because I want to use my pc also as a standalone htpc.
    My problem is: power supply!

    -the easiest and cheaper way is use an atx psu and an inverter, but atx psu is too big and inverter has too many interference, if I'm not wrong...
    -the second way is leave my pc without ps and put atx and molex connector on the back of the pc-box (I think I can build a DIN-size case) adn use the opus dc-dc ps in the car an a normal atx psu at home. The cons are costs and look: I have to buy the not-so-cheap opus dc-dc converter and a normal atx psu
    -the third way, I think it's the best, to use a dc-dc like pw-70a inside the box, put a normal dc connector on the back of the box and use a voltage regulator in car and a notebook psu at home.

    I don't want to have startup/shutdown controller, because I'll build a swicth panel to control everything (pc, tft, ampli...)

    What do you suggest me?
    Is there any alternative to these solutions?
    Is there any alternative to pw-70a?
    I saw ITPS, but it's not good for me... is there any voltage regulator out there?

    thanks in advance and sorry for my english!
    cheers!

  2. #2
    Maximum Bitrate GingerPrince's Avatar
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    If you're not bothered about automagic shutdown/startup, and your not bothered about it restarting if you start your engine, then something like this will suffice: -

    http://www.maplin.co.uk/products/mod...moduleno=36455

    GingerPrince

    Car changed for TVR Griffith 500, so computer de-installed. Using a Dension 100ix w/60Gb HD unit in the interim.

    Carputer Install - http://www.stuffandting.com/carputer/
    CarBox Software -- http://www.stuffandting.com/carbox/

  3. #3
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    Quote Originally Posted by GingerPrince
    If you're not bothered about automagic shutdown/startup, and your not bothered about it restarting if you start your engine, then something like this will suffice: -

    http://www.maplin.co.uk/products/mod...moduleno=36455
    I thought about it...
    I'm sure I don't want any startup/shutdown controller, but I think a reset-on-cranking-saver would be nice... how can I resolve this?

    anyway, does any adapter like the one you posted have a voltage regulator? I mean, output is always 12V?
    thanks!

  4. #4
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    I found the unswiched 12V supply for the car stereo!
    Duting cranking the supply goes down to 10V, or better, to a value > 10V but < 11V...

    I think if I find an adapter that has a Vin from 9/10V to 15/16V(or more), I'll have a cranking-survival-system!!!!

    thanks a lot,
    bye

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