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NEW Small DC-DC Power Supply

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  • NEW Small DC-DC Power Supply

    I have see lot of request for power supply to give 10 to 14 volt

    If you can make electronic you can use this simple schematic

    It got because you connect to you car battery directed, It not make lot of heat

    The some of the part I get as free sample
    Other part I get from old pc power supply

    This power supply will cost my max. 5$ and 1-2 hours work

    I think small cost is good
    Attached Files
    Plan for project = 100%
    Part the project. = 100%
    Built...................= 99%
    Finish.................= 99%
    Install ...............= 99% -50%
    Ditail at 4u2n.dk
    Here

  • #2
    can it be modified to give out a constant 12v?
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    • #3
      Originally posted by djmickyg
      can it be modified to give out a constant 12v?
      Put a jumper over the multiture resistor and change R3 to 218 Kohm 1%

      the et give +12 volt out
      Plan for project = 100%
      Part the project. = 100%
      Built...................= 99%
      Finish.................= 99%
      Install ...............= 99% -50%
      Ditail at 4u2n.dk
      Here

      Comment


      • #4
        Diagram for 10 power supply with can be use in a mp3car project

        info on my homepage
        Plan for project = 100%
        Part the project. = 100%
        Built...................= 99%
        Finish.................= 99%
        Install ...............= 99% -50%
        Ditail at 4u2n.dk
        Here

        Comment


        • #5
          Originally posted by 4u2n
          I have see lot of request for power supply to give 10 to 14 volt

          If you can make electronic you can use this simple schematic

          It got because you connect to you car battery directed, It not make lot of heat

          The some of the part I get as free sample
          Other part I get from old pc power supply

          This power supply will cost my max. 5$ and 1-2 hours work

          I think small cost is good
          Where T1 you have found the transformer and name to the Mosfet N1 its?

          Hi
          Mauri

          Comment


          • #6
            Originally posted by mauri
            Where T1 you have found the transformer and name to the Mosfet N1 its?

            Hi
            Mauri
            ??? I think is ok
            Plan for project = 100%
            Part the project. = 100%
            Built...................= 99%
            Finish.................= 99%
            Install ...............= 99% -50%
            Ditail at 4u2n.dk
            Here

            Comment


            • #7
              will you make these and sell them for those of of that aren't electronic literate?
              mobo $130 ; 150wOpus-$200 ; 256mb pc2700 -$10 ; 120gb HDD 7200-$70 ; Lilliput TS 7"-$265 ; USB LAN-Free AR ; Rikaline 6010 GPS-$34 ; ShuttleXpress-$37
              Total = $746....Carputer = Priceless

              Comment


              • #8
                Originally posted by cadence117
                will you make these and sell them for those of of that aren't electronic literate?
                Not now, i have to finish my project

                I'll think there can be a chance to some when I finish my Mp3Car
                Plan for project = 100%
                Part the project. = 100%
                Built...................= 99%
                Finish.................= 99%
                Install ...............= 99% -50%
                Ditail at 4u2n.dk
                Here

                Comment


                • #9
                  The transformer T1 and' difficult to find..
                  Do you know a place where to purchase it on-line in Internet?

                  Mauri

                  Comment


                  • #10
                    let us know how good and efficient this device is once you have your carputer all setup...


                    i'd be interested in checking it out, since looking at tat electrical diagram doesn't mean anything more to me than egyptian heiroglyphics
                    nine.

                    Comment


                    • #11
                      Originally posted by mauri
                      The transformer T1 and' difficult to find..
                      Do you know a place where to purchase it on-line in Internet?

                      Mauri
                      The transformer T1 I get as free samples for Cooper Electronic Technologies

                      http://www.cooperet.com/

                      1 week to get et
                      Plan for project = 100%
                      Part the project. = 100%
                      Built...................= 99%
                      Finish.................= 99%
                      Install ...............= 99% -50%
                      Ditail at 4u2n.dk
                      Here

                      Comment


                      • #12
                        You won't power much computer with 2.5A, certainly not an EPIA...

                        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/

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                        • #13
                          Originally posted by GingerPrince
                          You won't power much computer with 2.5A, certainly not an EPIA...
                          No you are right, I post this diagram because many ask for small power supply

                          witgh small change it give 5 Amp

                          The system I run at home plan to put i the car I power by a small switch power there giv 4.16 Amp
                          Plan for project = 100%
                          Part the project. = 100%
                          Built...................= 99%
                          Finish.................= 99%
                          Install ...............= 99% -50%
                          Ditail at 4u2n.dk
                          Here

                          Comment


                          • #14
                            Originally posted by GingerPrince
                            You won't power much computer with 2.5A, certainly not an EPIA...
                            You can run a small Network fileserver base on EPIA 800 with 2.5" harddisk
                            19.23 Watt

                            Epia Power simulator
                            Plan for project = 100%
                            Part the project. = 100%
                            Built...................= 99%
                            Finish.................= 99%
                            Install ...............= 99% -50%
                            Ditail at 4u2n.dk
                            Here

                            Comment


                            • #15
                              OMG, R5 should never be 0, that would possibly POW the IC with the inrush to the gate capacitance, it should be closer to 10 ohms.
                              Carputer currently 'ghettoed' into car!!!

                              EPIA MII-12000
                              Ampie Case with rigged extra USB
                              Hitachi 60GB
                              Holux GPS mouse with iGuidance 2.0
                              Lilliput 7" touchscreen
                              Netgear WG121 USB WiFi
                              Carnetix P1260

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