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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design
Subject: Re: LTSpice model for a SiC MOSFET
Date: Tue, 20 May 2025 17:54:56 +1000
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On 20/05/2025 4:35 am, Edward Rawde wrote:
> "Bill Sloman" <bill.sloman@ieee.org> wrote in message news:100c4og$t4lo$1@dont-email.me...
>> I'm looking at a problem where somebody wants to step down a 1kV low current source to 3.3V.
>>
>> The Baxandall class-D oscillator could do it, but it needs a pair 1.7kV MOSFETs for the job. The Infineon SiC IMH170R450M1 would
>> do it - though it's a much higher current part (10A) than the job needs (about 1mA).
>>
>> I've dived into the Infineon rabbit-hole which promises LTSpice models, but wasn't able to find one.
>>
>> Does anybody know of a similar - ideally cheaper and smaller - part for which there is an LTSpice model?
> 
> I don't know of a specific part but a few seconds with a search engine found this:
> 
> https://www.allaboutcircuits.com/technical-articles/how-to-simulate-silicon-carbide-transistors-with-ltspice/

Teaching grandmothers to suck eggs.

The latest version of LTSpice seems to want you to use Notepad on the 
..asc file to modify the transistor symbol. I didn't used to have to do that.

-- 
Bill Sloman, Sydney