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Hi, I'am searching for steve's OCD driver PCB on single layered board, every pcb format is acceptable, sprint layout, eagle...or only a image is also great exactly this one thanks.
Wow that setup look really great i cant wait for your result with it. My latest coil looked very similar to yours, only a little bit smaller with steve's drsstc5 driver without OCD so result of my first run was that what u can see on the photo :( your driver looks nice its made in sprint layout am i right? can u send here a pcb file here, i also can check if there are some bugs.
I have read steve uses this driver for driving huge CM bricks but is this driver also suitable for some smaller transistors in TO247 or TO264 for example HGTG30N60B3D ?
Registered Member #1225
Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
I made one of Ward's drivers, it was the drsstc-3 though. Mostly the same.
I use TO-3P (pretty much like TO-247) IGBTs. I have only gone up to 250 amps so far, at 80 volts on the buss. Despite being small, TO-247 will do fine with a drsstc. Just do not expect too large sparks. Also, for TO-247, do not parallel UCC's. They are not needed even for a fullbridge. It could only cause problems, not make things better. Unless you have a huge gate capacitance.
Registered Member #1225
Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Mads Barnkob wrote ...
mmt wrote ...
and witch gate capacitance is best for me as i want to247 full bridge of igbts?
gate capacitance is a characterestic of a IGBT, the charge that is needed to be applied to the gate for it to conduct.
And, the smaller it is, the easier it is on the gate drivers and such. I am sure that any good TO-247 IGBT has low enough gate capacitance to be run by the ucc pair and a small/normal size GDT.
You should probably do some reading on gate driving and stuff, i would highly suggest it. It could quite possibly decide between an IGBT killing monster, and a running efficient drsstc.
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Steve's OCD driver pcb
