I am really a newbie. My electronics knowledge is pretty basic and i can say that my mechanics knowledge is null. So i donīt want to start considering that PWM stuff.
I have some UCN5804 around here, so i made a board with them, based on the "Nuts & Volts" article.
This All-in-one IC solution is the kind i love, but its limited output capabilities is a problem.
I searched the forum for ways to up its current output and find these articles:
I have doubts in choose the best solution, and in some concepts they discussed.
1) Which is best: Darlingtons or Fets.
2) The output protection. schottky or Zeners Diodes or Snubbers and the correct way to add them to the circuit
3) In the snubber solution, how to determine the correct pulse width to calculate. An example provided in one of these articles, they used 5uS.
So if someone have a schematic...
BTW, since UCN5804 is pretty rare now, i was thinking to add some protection to it. So, if i screw things up, at least this IC is preserved. But how can i acomplish that? I was thinking to add opto's to its output, but with the high frequency pulses expected, i think this will not work.
Any sugestions !!