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Thread: DSX12V: 12V in 12V out 10 AMPS!

  1. #41
    FLAC
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    Quote Originally Posted by XBoy
    What are the amps for the other rails? I'm interested..this will for sure survive crank?

    And can any shutdown controller work with it?
    Well I know my shutdown controller will work with it. The peak currents can be around 20 amps on the input. There is only one rail. the 12 volt rail. Yes it will survive a crank no problem, I've been testing it at 10 amps down to 7 volts on the input.
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  2. #42
    Variable Bitrate therussman2002's Avatar
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    so it is capable of more than 10 amps? If my simpler regulator project fails miserably, i will probably be looking at your product... but it would be nice to buy one as opposed to two for my pw200 psu

  3. #43
    Variable Bitrate
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    What is the main controller there doing all the...well, controlling.

  4. #44
    FLAC
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    Quote Originally Posted by therussman2002
    so it is capable of more than 10 amps? If my simpler regulator project fails miserably, i will probably be looking at your product... but it would be nice to buy one as opposed to two for my pw200 psu
    It is actually capable of about 15 amps if you keep the input really close to the output and put a fan on it.

    I'll make some graphs of how much current it can put out based on the output load and input voltage..

    -Jeff
    MPEGBOX - Plexiglass Computer
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  5. #45
    FLAC
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    DSX12V Puts out 15 amps PEAK!!!!

    Hi All,

    Engine Crank Pictures:
    http://www.mpegbox.net/DSX12V/dsxcrank/index.html

    Rather than speculating on what the DSX12V will deliver and if it will survive crank, I decided to apply the good old scientific method.

    I used 12 gauge wire for this experiment. I ran about 9 feet from the positive terminal of the battery to VIN of the DSX12V. This simulates the unit in the trunk or something. I ran 5 feet from the Negative Terminal of the battery to the GND of the DSX12V. I used less here because the Chassis is a much better conductor anyway and most people will use about 2-3 feet from the chassis to the negative terminal of their power supply anyway.

    I connected a Resistor Load Board to the Output of the DSX12V. I could measure current and voltage on both the VIN and the VOUT terminals.

    I hooked up an oscilloscope to voltage AT THE BATTERY and the voltage at the output of the DSX12V.
    CH1: Voltage at the Battery
    CH2: Voltage on output of DSX12V

    I was able to set the output load on the DSX12V from 0 to 16 amps. I started the Car with the load set to 7,12,13,15,16 amps.

    The scope plotted the results.

    One thing is for sure; the supply can deliver a constant 12 amps no problem and 15 amps peak. (Iím still going to de-rate it to 10 amps with 13 amps peak. (120-watt supply))

    Iíve developed a power supply capable of 144-watts with 180 watts peak. Wow, I canít wait to get it to market!

    Those of you who have contacted me Iíll be getting back to you shortly.

    Does anyone want to pre-order one so I can get rolling on this?
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  6. #46
    FLAC
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    What will the pre-order price be? I'm tempted by the efficiency rating even though my 15x2A regulator circuit is still working just fine .
    Progress: 80% - Permanent install left.
    Motion LS800 Tablet PC and dock.
    Vista, Bu-535 GPS, RoadRunner, MPT2006.

  7. #47
    FLAC
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    Quote Originally Posted by Arathranar
    What will the pre-order price be? I'm tempted by the efficiency rating even though my 15x2A regulator circuit is still working just fine .
    Engine Crank Pictures:
    http://www.mpegbox.net/DSX12V/dsxcrank/index.html

    If you want to pre-order a DSX12V, the price will be 80. I'm building 10 now with the revB board. It could take as long as 3 weeks. Paypal 80 to [email protected].
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  8. #48
    FLAC
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    Could it be tuned to output 12.5V or even 13V? I've been reading that you can overdrive a Lilliput to make it brighter. But I'd want to do it a fixed, reasonable amount rather than hooking it to my accessory line directly as some people have apparently done!
    Progress: 80% - Permanent install left.
    Motion LS800 Tablet PC and dock.
    Vista, Bu-535 GPS, RoadRunner, MPT2006.

  9. #49
    FLAC
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    Quote Originally Posted by Arathranar
    Could it be tuned to output 12.5V or even 13V? I've been reading that you can overdrive a Lilliput to make it brighter. But I'd want to do it a fixed, reasonable amount rather than hooking it to my accessory line directly as some people have apparently done!
    Yup, I have a pot that allows you to adjust the output from 9-15 volts. The farther away from 12 volts, the less current it can put out.
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  10. #50
    Variable Bitrate therussman2002's Avatar
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    i would preorder one right now if you could assure me this will be adequate for a pw-200v 200watt (250peak) power supply connected to a p4 2.8 processor... something tells me its a stretch, but then ive seen people in the forum using a damn opus on that kind of setup (5A on 12v rail..)

    im really lazy and i dont feel like hooking up 15 regulators together, only to have it probably blow up in my glove box and fry my $400+ setup

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