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Thread: Simple, large power supply?

  1. #1
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    Simple, large power supply?

    I'm looking for a 12v power supply that doesn't have the complexity of the better units currently available for carputers. My computers run off house batteries and use sleep mode. I don't need the ability to sense if the engine is running.
    I do want voltage regulation. Any suggestions? Searching 12v voltage regulators just gives me small auto components.

  2. #2
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    power supply

    you will be looking at spending some time and I hope you can solder but there are plenty of 12vdc regulated power supply circuits to be found with a google search...search for schematics using ic circuits in parallel.

  3. #3
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    This is the kind I was thinking about. Use it with a simple Pico carputer supply. Plenty of power to spare for other 12v electronics.

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    Hard to tell what you are asking for. Do you want a 110v AC to 12v DC power supply? Or a DC-DC power supply?

    What voltage are the house batteries and how do they work?

    How many watts do you need for your computers?
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  5. #5
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    It's a 12v bank of batteries. I was thinking of using a voltage regulator to supply the computer and several radios.

    (I corrected the link above to point to the type of unit I'm looking at)

  6. #6
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    yes, that should work, assuming your gear can take 13.5v instead of a regulated 12v..

  7. #7
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    Why doesnt this sound healthy to me. It sounds like stuff is going to break. I am having one of my strange mystical vibes. Wouldnt it have been easier to just use a Sinewave inverter?
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    I want to see pics of this battery setup...
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  9. #9
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    Quote Originally Posted by ZX1Cruizer View Post
    Why doesnt this sound healthy to me. It sounds like stuff is going to break. I am having one of my strange mystical vibes. Wouldnt it have been easier to just use a Sinewave inverter?
    i still kind of think that there is info missing...

    i think the point behind not getting a sinewave inverter would be that it would 'waste' battery power..

    but, there still needs to be a dc-dc power supply for the PC(to distribute a 12, 5, and 3.3volt lines), and there is still the variable of these other "radios" that he wants to hook up-- no idea if these are designed for cars(5-15v input), or require a regulated 12v input...

  10. #10
    Who am I? HiJackZX1's Avatar
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    Quote Originally Posted by soundman98 View Post
    i still kind of think that there is info missing...

    i think the point behind not getting a sinewave inverter would be that it would 'waste' battery power..

    but, there still needs to be a dc-dc power supply for the PC(to distribute a 12, 5, and 3.3volt lines), and there is still the variable of these other "radios" that he wants to hook up-- no idea if these are designed for cars(5-15v input), or require a regulated 12v input...
    I think there is info missing too............ So is it my assumption that this equipment will be used with the engine off? If not then its all not really needed is it? Simply adding a HO alt would do the trick.
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