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Thread: 24v DC from 12v DC?

  1. 16th October 2006 07:22 PM #1
    Andy1845c
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    Default 24v DC from 12v DC?

    Hello all,

    I am looking to get around 24volts from my cars electrical system in order to run the LED modual that I asked about in my "Anyone have one of these" topic. I want to run 10 of these moduals, so I will also need a far amout of current also. Would a DC-DC Boost Converter be a good way to achive this? I did a little reading on them, and they look simple enough in concept, but getting the voltage I want out of it might be a differnt story. Is there a simpler method? Is building a DC-DC converter from scratch practical for a beginner to attempt?
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  2. 16th October 2006 09:04 PM #2
    Hero999
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    There are lots of ICs that can do this, here's just an example:
    http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2040

    I do not answer private messages asking for help because no one else can: benefit from advice I may give or correct me if I'm wrong.

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  3. 17th October 2006 12:31 PM #3
    penoy_balut
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    hack a 12v car audio amp, it has a 12v to 24v dc to dc converter in it
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  4. 17th October 2006 03:12 PM #4
    audioguru
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    Quote Originally Posted by penoy_balut
    hack a 12v car audio amp, it has a 12v to 24v dc to dc converter in it
    Car amps don't have a 12V to 24V converter.
    If they are big then they have a 12V to +50VDC and -50VDC or more converter.
    If they are little then each 12V amp is two amp circuits in a bridge for nearly 4 times as much power as with a single amp circuit.
    Uncle $crooge
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  5. 17th October 2006 07:22 PM #5
    Andy1845c
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    Thanks for the replys. I didn't know there was a ready made IC for doing that. I learn somthing everyday lol

    Looks like i'll have to put together another order for parts, lol
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