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N Mosfet and P Mosfet reverse the polarity

Discussion in 'General Electronics Discussion' started by xibit1987, Mar 14, 2012.

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  1. xibit1987


    Mar 14, 2012
    Hi all,

    I will start to say sorry if I posted in the wrong sub-forum. Also i would like to tell you right away that i'm a beginner at this so pleas don't be to techinal in terms of explaining :)
    Normally i'm good with airsoft guns gears and such, and a huge problem is that the trigger system gets fried in these weapons, so i wan't to build Solid State switch for this purpose.

    What i'm trying to build is this:

    It removes the stress on the switch and breaks the motor like this:

    it's breaking the motor (reversing the polarity i think) and from what i have read it's doing so with a pMos

    I have made a mockup the best i can showing how i think it should be wired but i'm not sure (googled the last 3-4 days for tut's and info)

    I'm using a 7,4 or a 11,1 LiPo Battery depending on the rules of the game.

    I'm using 2 x RGEF600 polyswitch in parallel hence the trigger time (i know that i need to measure the resistance of both before soldering them together to be sure that they get the same load)

    Component list:

    Hope some friendly soul will help me out since my club is tired of frying our switches and it's a pain to replace them (i'm the guy doing that)

    Best regard
    - Rasmus

    Attached Files:

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