Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: john larkin Newsgroups: sci.electronics.design Subject: Re: LTSpice model for a SiC MOSFET Date: Tue, 27 May 2025 07:53:12 -0700 Organization: A noiseless patient Spider Lines: 31 Message-ID: References: <100c4og$t4lo$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Date: Tue, 27 May 2025 16:53:15 +0200 (CEST) Injection-Info: dont-email.me; posting-host="53510146e8391e2b7f7fe2dfac52c7ff"; logging-data="2818243"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18ZGDozg39YqpDO/t9RxM/h" User-Agent: ForteAgent/8.00.32.1272 Cancel-Lock: sha1:gWSEtIDyoe2GoXmWJJi33IGNYRc= Bytes: 2175 On Tue, 27 May 2025 10:02:27 -0400, Joe Gwinn wrote: >On Tue, 27 May 2025 20:32:49 +1000, Chris Jones > wrote: > >>On 18/05/2025 6:11 pm, Bill Sloman wrote: >>> 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? >>> >> >>Maybe use an electrostatic motor driving a small generator! > >Maybe DON'T FEED THE TROLL? It is an interesting problem, designing a logic supply that runs off a 1 KV DC supply. Even when the requirements are confused. Actually, the uncertainty opens up more circuit possibilities to consider. We can thank Sloman for being confused.