Author Topic: DRSSTC driver in the chip shortage  (Read 287 times)

Offline ThePickledNerd

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DRSSTC driver in the chip shortage
« on: April 27, 2022, 10:24:56 PM »
Hey all! This is my first time posting, and I am a student trying to make my first DRSSTC. After having a lot of success with spark gap architecture , I decided the jump to solid state would't be that bad. Boy was I wrong. I think I have everything figured out except for the driver for the IGBTs. I want to use two CM300DY-24H, but can't find a driver schematic with all the parts avalable in the chip shortage. Does anyone have any advice?

Offline futurist

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Re: DRSSTC driver in the chip shortage
« Reply #1 on: April 28, 2022, 12:54:11 AM »
Hi

which parts are unavailable?

Offline ThePickledNerd

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Re: DRSSTC driver in the chip shortage
« Reply #2 on: April 28, 2022, 05:35:31 AM »
I want to use lone ocean's revision of the UD2.7, and the populated mouser project has almost no available ICs. here's a link

https://www.mouser.com/ProjectManager/ProjectDetail.aspx?AccessID=ea98910c97.

Offline futurist

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Re: DRSSTC driver in the chip shortage
« Reply #3 on: May 04, 2022, 05:24:07 PM »
Order what you can and I'm sure we'll find the rest of the parts

I think I have all the 74 series logic chips needed for UD2.7

Offline Mads Barnkob

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Re: DRSSTC driver in the chip shortage
« Reply #4 on: May 04, 2022, 09:12:24 PM »
You could try to use the UD2.7 / 2.9 DIP package BOM from prof9dc's single sided DIP component boards? https://highvoltageforum.net/index.php?topic=353.msg2401#msg2401
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Offline Hydron

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Re: DRSSTC driver in the chip shortage
« Reply #5 on: May 04, 2022, 11:04:19 PM »
Most of the UD2.x stuff is standard logic parts etc that can be readily substituted. Gets a bit trickier with the fast comparator, mosfet driver and mosfets though - these need some experience to understand their critical requirements and pick suitable substitutes.

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Re: DRSSTC driver in the chip shortage
« Reply #5 on: May 04, 2022, 11:04:19 PM »

 


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