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220 Watt DC-DC Power Supply: DSATX

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  • 220 Watt DC-DC Power Supply: DSATX

    All,

    I've created car DC-DC power supply with the following specs:

    Vin: 8-16 volt input

    +5VSB @ 1.5 Amps
    +5 @ 12 Amps
    +3.3 @ 10 Amps
    +12 @ 12 Amps
    -12 @ 0.1 Amps

    >95% efficiency

    Includes integrated Shutdown controller with similar function to the uSDC20D only way more flexible and controllable.

    It has a serial port OR USB interface.



    If your interested in the beta test please see this page:

    http://www.mpegbox.com/dsatx.html

    After the beta test is done, mp3car store will sell these at a much higher price.

    -Jeff
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  • #2
    What is the Serial or USB port used for? Not quite understanding the point for them if this is a DC-DC power supply. I mite be interested in beta testing one. Ill let you know

    Comment


    • #3
      Originally posted by Darek85
      What is the Serial or USB port used for? Not quite understanding the point for them if this is a DC-DC power supply. I mite be interested in beta testing one. Ill let you know
      a wild guess (not really) would be the shutdown controller
      I have found you an argument; I am not obliged to find you an understanding.

      Comment


      • #4
        Originally posted by Darek85
        What is the Serial or USB port used for? Not quite understanding the point for them if this is a DC-DC power supply. I mite be interested in beta testing one. Ill let you know

        The Serial Port spits out this style of information every 200ms:
        9600 baud, 8,N,1 No flow control.

        +030.3:12.56:12.00:05.19:03.34:10.49:0560:YNY:3:05 58
        A : B : C : D : E : F : G : H :I: K

        A: Temperature in Degrees C
        B: Input voltage at VIN
        C: 12 Volt Rail Output
        D: 5 Volt Rail Output
        E: 3.3 Volt Rail Output
        F: Low Voltage Threshold (P2 Adjusts this)
        G: Number of Seconds for main Shutdown Timer (P1 Adjusts this)
        H: Y/N Good/Bad(Vin Voltage Good, Acc Pin High, Temp Good)
        I: State of SDC:
        (0: off, 1:Pulse, 2: Running, 3: Cnt Down, 4: Shut Down)
        K: Count value for Shutdown Counter (seconds)


        The Serial Port Accepts These Commands:

        P: Enter Program Mode
        S: Stop the printing of the serial diags (Stop)
        G: Continue the printing of the serial diags (Go)
        Z: Set the shutdown counter to 2 seconds (basically cause a shutdown)
        @: Force a power button press, shutdown or startup.



        Program Mode overview:

        The DSATX is serial port programmable! You can tell it to use the P1 P2 pots or hard code the values into it. You must always type the right number of characters though. IE, if you want 60 seconds, you canít type 60. You must type 0060, etc.
        You donít hit return when your done typing in the values. It will automatically take it. If you mess up, make sure you do it again and get it right.

        In the below example, we program the device. Tell it to use the Pots (P1 P2) for the Timer1 Timer and the low voltage threshold (P2 selects a value between 10 and 12 volts). Maxtimer1 is the maximum seconds you can set with the P1 Pot. Basically, if you set the pot half way and had Maxtimer1 set to 1200, it would shutdown in 600 seconds. If you set the Maxtimer1 to 0060 you would have between 0 and 60 seconds to select with the P1 Pot.

        13 volt turn on is an option where ACC has to be high and the engine has to be running before the computer will turn on.

        P
        PROGRAM MODE
        Use POTs? y/n
        y
        MAXTIMER1:
        1200
        VTURNON 13 volts? y/n
        n
        PROGRAM DONE



        In the below example, we program the device. Tell it to Hard code the values for the Timer1 Timer and the low voltage threshold. If you set Lowvolts to 1050, the unit wouldnít shutdown until it hit 10.50 volts on the VIN input. If you set Timer1 to 0600, then after 600 seconds of ACC going away, the computer would turn off.

        13 volt turn on is an option where ACC has to be high and the engine has to be running before the computer will turn on, this time we didnít choose it.


        P
        PROGRAM MODE
        Use POTs? y/n
        n
        LOWVOLTS:
        1050
        TIMER1:
        0600
        VTURNON 13 volts? y/n
        n
        PROGRAM DONE




        Does this help explain the serial port? It is optional. It is only used for the hardcore people who want to have lots of control of their system. It is also for figuring out what the right low voltage settings should be.
        MPEGBOX - Plexiglass Computer
        www.mpegbox.com

        Comment


        • #5
          jeff, sent you an email last week about danceheaven and I, did you get it?

          Comment


          • #6
            Did you send me an email or an MSN?

            Do you want to pay 50 bucks more so I can send the package Priority international so it can get there in a week?

            -Jeff
            MPEGBOX - Plexiglass Computer
            www.mpegbox.com

            Comment


            • #7
              i'm interested.

              seems better specced than an opus 150w. and cheaper!

              combined postage to the uk, then scouse sends it on to me?
              Asus A7N8x-VM/400
              Mobile Athlon 1600+
              512 Mb DDR SD RAM
              2.5" 30Gig IDE HDD
              OPUS 150

              Slimline DVD (possibly)
              Lilliput 8" touch screen (Maybe motorised 7Ē tho)

              Fabricate screen into dash
              INSTALL!


              Current: Installing mobo

              Comment


              • #8
                Geejay, had no idea you are in the UK.

                Jeff, i sent the email to the address on your s=webpage about the psu

                Comment


                • #9
                  These specs look great Jeff -- nice work! The serial interface for monitoring and programming is a great feature that's long overdue. Can you post the physical dimensions?
                  2004 4runner

                  Comment


                  • #10
                    at school right now, so i can't measure dimensions on my carpc.
                    i'm interested, the m1-atx i've been looking at might be too long for my use.
                    RED 1999 ACURA INTEGRA GSR STOLEN -- CHICAGO 02/27/08
                    VIN JH4DC2391XS002416
                    PLATE ILLINOIS 5287412
                    Team Integra Markings on Rear Quarterpanel Windows
                    REPORT TO 911 IF FOUND

                    Comment


                    • #11
                      I live near Jeff, and picked up my PS the other day. He demonstrated it for me in his "lab" powering a p4 system, and it ran great. Shutdown controller worked perfectly. The serial port interface makes programing very simple. Hopefully I can get it installed soon so I can write a review.

                      Comment


                      • #12
                        Dont suppose you'll take a trade-in uSDC if i buy this . Forgive me for the stupid question but is this going to remove the need for both a SDC AND inverter? If so this is a damn good deal
                        mp3Car.com Senior Tech Blogger (Want a product reviewed? Contact me.)
                        Follow Me on Twitter or Facebook
                        Live mp3Car Facebook Chat

                        Comment


                        • #13
                          Originally posted by Sonicxtacy02
                          Dont suppose you'll take a trade-in uSDC if i buy this . Forgive me for the stupid question but is this going to remove the need for both a SDC AND inverter? If so this is a damn good deal
                          Yes, this is a dc-dc power supply with a built in SDC that you would wire directly to the car.

                          Comment


                          • #14
                            Originally posted by rando
                            These specs look great Jeff -- nice work! The serial interface for monitoring and programming is a great feature that's long overdue. Can you post the physical dimensions?
                            3.5" by 4.15"

                            Comment


                            • #15
                              Originally posted by Scouse Monkey
                              Geejay, had no idea you are in the UK.
                              Why aye man (sorry...couldnt resist)...in Swindon, down south.

                              *updates profile*

                              but yeah...i'd DEFINITELY be interested
                              Asus A7N8x-VM/400
                              Mobile Athlon 1600+
                              512 Mb DDR SD RAM
                              2.5" 30Gig IDE HDD
                              OPUS 150

                              Slimline DVD (possibly)
                              Lilliput 8" touch screen (Maybe motorised 7Ē tho)

                              Fabricate screen into dash
                              INSTALL!


                              Current: Installing mobo

                              Comment

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