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Thread: Via TC 10000(onboard 12v) - In car installation

  1. #1
    Variable Bitrate Pabs's Avatar
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    Via TC 10000(onboard 12v) - In car installation

    Hi Guys

    I am still a little confused after talking on some other forums....

    I am looking to buy a Via TC 10000 motherboard which has the onboard 12v dc-dc power, and i want to install it into my car.

    Now as far as i know, i need to regulate the power from the car battery/alternator. This I assume can be handled with an ITPS.

    However, is there something I am missing? These OPUS power supplies everyone keeps telling me to buy are really expensive, so what do they do that the ITPS & 12v dc-dc dont?

    Any help would be great. If these TC 10000 mobo's are limited then I might get a MII 12000 and an opus, but it works out at nearly double the price!

  2. #2
    FLAC samc's Avatar
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    get the ITPS and that TC 10k board..
    Mine needs to be updated.

  3. #3
    zvi
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    Constant Bitrate zvi's Avatar
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    Opus will secure crank surviving, ITPS not.

    It is a matter of what is the range of input voltage of particaular power supplies, OPUS inout range is enough to work in any situation, as extrem as cranking even, I don know what can you use to feed TC10k's 12v, you have to seek for DC-DC power supply that gives 12v (and enough current) from range like 7-16v. Or, just take 90 Watt Opus and M10K or MII
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  4. #4
    Variable Bitrate Pabs's Avatar
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    Could you explain cranking a little more?

    Do you mean power surge when ignition is switched on?

  5. #5
    Variable Bitrate Pabs's Avatar
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    Here is another question:


    CAN the ITPS be used with the TC 10000 mobo?

    The ITPS has a different connection in and output, and the TC mobo has a standard mini-jack type socket. (Forgotten the name :S)

    Any ideas?

    CHeers

  6. #6
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    'cranking' is when your start your car... the alternator (i think) uses power from the battery... which starts the engine... and it does something to the power (battery)... so u wont have enough 'juice' to have the cpu running

    i dont know a whole lot about cars... but i think thats a general idea of how it works, when you start your car
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  7. #7
    Maximum Bitrate yunusyu's Avatar
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    Ok so in my car i have set up a epia-m10000 mobo(motherboard) with a pw-70...and i have a regulator....not itps, which controlls shutdown, but just a regulator......

    I have to build a "tank" to survive the crank...but it could be that i am using the 12gauge wires..i think that is really the problem (since when i measure the voltage of the baterry at crank it doesnt go below 10v)

    SO: here are the options:

    1. [BATTERY]----+---->[opus]----->[Motherboard]

    2. [BATTERY]----+---->[itps or regulator]------>[pw-70]--->[motherfu*** I MEAN board]

  8. #8
    Maximum Bitrate yunusyu's Avatar
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    UPDATE for #2....if you want to survive the CRANK:
    2. [BATTERY]----+-->[tank]-->[itps or regulator]------>[pw-70]--->[motherfu*** I MEAN board]

    now help me find a tank...I seen people build it...but i am no electrical engineer

  9. #9
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    "Cranking" is when you turn the ignition and the ignition motor drives the flywheel of the car. It takes a lot of the batteries power to move the flywheel to initialize the car starting... it has nothing to do with the alternator... the alternator doesn't work until the car crank is spinning. Basically, you want a ITPS because it will delay the point in which the computer will start.

    Say the ignition system pulls some nasty power from your battery... the battery (12v @ 100% since the alternator isn't running.. but you can expect 11 - 11.8V typically) voltage will drop considerably. Sometimes down to like 7 - 9volts. If the computer tries to start on an input voltage of 7 - 9 volts, it will fail. What the ITPS does is all a time buffer, because once the car is running, then the alternator is spinning and "should" be cranking higher voltage than 12v of the battery... commonly 13.8 - 14.4 volts. So, think of the ITPS as a "delay" valve for the power to rush into the computer.

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