That is awesome! Man! Those are some SQUARE square waves! ya! Way to go!! I love it! I would definitely say that cap can handle it! ha! YA!!!
Quote:
Originally Posted by edown
Question Paul: I want to use 3 or 4 mosfet drivers in my final version, should I couple the driver outputs or not? Or do you think the driver you use is OK to drive 12 mosfets?
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It depends on the mosfet driver and the gate resistor values. The IXDD414PI can put out 14 amps when it needs to, but my 10 mosfets with 30 Ohm gate resistors uses a peak of 4 amps, so you can do 12 mosfets on a single driver. The only thing to think about is how far away some of the mosfets get which delays their turn on times SLIGHTLY. I would suggest you use 1 driver for 1-10 mosfets, or 2 drivers for 12-20 mosfets. You just want to make sure everything is pretty symmetrical so that the drivers get turned on at the same time. Let's see, 20 mosfets would be 1000 amps. You aren't making a zilla are you?
EDIT!!!
Don't connect the outputs of the mosfet drivers. Have each driver just drive it's own group of mosfets. That's the word from the experts. I had that same question.
Quote:
Originally Posted by edown
Suggestion: I put an LED on the driver output for a visual aid.. It helps with trouble shooting and just lets you see things are working before turning on the main contactor..
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I'm doing an LED indicator on the next version. That's a really good idea.