Mosfet Drivers to build a solid state relay?

Discussion in 'General Electronics Chat' started by DMC3157, Dec 14, 2012.

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  1. DMC3157

    Thread Starter New Member

    Dec 14, 2012

    I am attempting to build a solid state relay to replace a few mechanical relays in my car... The primary objective will be very little heat generated with no need for a heatsink to switch 20-30 amp loads. I believe this should be possible as many years ago I have seen this done...

    I figure the best way to do this is with a Mosfet and a mosfet driver (for the best efficiency).

    Could I get some advice on what the absolute best and most efficient mosfets are and the absolute best drivers. I want this thing to be rock solid reliable and generate very little heat. What would you use for the absolute best Mosfet High current switch?

    Control voltage: 5 -12V (possibly driven from a microcontroller)
    Switched on-off 12V 20-30 amps
  2. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    Discussions of automotive modifications are prohibited on this site. This post will soon be locked by a moderator..
  3. bertus


    Apr 5, 2008

    I am closing this thread as it violates AAC policy and/or safety issues.

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