universal pulse driver

[scianto]

Universal pulse motor or coil or transformer circuit.

This circuit is what I have come out with when experimenting with driving parallel path magnet motors (see other thread by me on this forum). Since PPMM are very demanding about switching, I needed to use some known protecting techniques. What you see on the circuit picture all comes from my experience. I have burned many transistors, diodes and other parts until finally I had well working and resistant circuit.

I decided to share this circuit with some practical info about it, so that people as much unexperienced I am, who need to build a circuit driving coils (motors, windings, transformers etc.) can save electronic parts and have something working good enough. It can also be used to desulfate and charge batteries.
Yesterday I was using this circuit with 312 W 1200 V 50 A IGBT to drive PPMM build in a bicycle (videos are on my yt channel user 'scienculo')

Of course, this circuit is not perfect, so please, look at it and tell me your advices. Also, there may be drawing errors, please turn my attention to it, so that I can correct it.

light background picture:
http://servilo.website.pl/laboratorio/esploroj/rownolegle_strumienie/PulseMotorDriverCharger_light.png

dark background picture:
http://servilo.website.pl/laboratorio/esploroj/rownolegle_strumienie/PulseMotorDriverCharger_dark.png

[quarktoo]

Looks quite developed. Why did you opto couple to the reset of the 555? What that to keep back EMF from shutting down the 555 and screwing up the pulse?

[scianto]

quarktoo

The opto-coupler is in fact an optical position sensor that is used to detect the position of the rotor in a pulse motor. In my case the timing disk is on the shaft of parallel path magnet motor, as you can see on my videos.

Instead of the optical sensor you can connect to a square generator.