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Hi Andy, My mistake, I expected that there would be a time frame on Temp files, but I missed the fact that the original Messsage was 2023 ... thanks again for your Help. Cheers, Ian

Ian, The "Temp" folder name means "Temporary".? Files in the "Temp" folder are there only temporarily, not permanently.? Those files from this topic were uploaded to the "Temp" folder ages ago -

Hi Andy I, Yes, that was one of the Files I was searching for .... mosfet_gate_charge.zip and it has just appeared. However, the following files haven't are not in the Temp folder (that I can see).

Ian, Maybe you were looking for the file "mosfet gate charge.zip" that Ankit mentioned yesterday in message # 159674 ( /g/LTspice/message/159674 ). I have just moved that file back to

Just what files were you looking for? Andy

Hi all, Mmmm .... I can't find any of these files. I'm in /g/LTspice/files/Temp ( /g/LTspice/files/Temp ) no files starting with Gate? or? mosfet (

A very clear explanation.

Dear Dennis, Thank you so very much for such an insightful and beautiful explanation. I will be under your debt forever. I have a follow-up query though and it is as follows: You mention>> " *I think

I think I should point out that the pulse duration is not important for this test in a simulation. It is important for real parts that dissipate power during the test to ensure they do not overheat.

I don't think there is anything foolproof but I will try to explain the working of the circuit. It applies a constant current to the gate of the MOSFET. The x-axis displays the product of that

When I adapt models with bad diodes, I replace the diodes with LTspice diode.

Actually, these messages are a red flag. They mean that your model might not work as expected. Model makers frequently resort to diodes with very small emission coefficients in order to create diodes

Ah, Rene. Welcome to planet engineering, where ambiguity is less than useful. Andy provided a clear example of how d/s might be otherwise interpreted, which ambiguity would have been easily avoided by

I fixed that in in the updated model. Christopher saw it again because the hard-coded symbol overrode the .lib directive. -- Regards, Tony

Hello Dennis, Thank you so very much for sharing your mosfet gate charge ( /g/LTspice/files/z_groups.io/Files-sorted-by-message-number/msg_ZZZZZZ/mosfet%20gate%20charge.zip ) file. It

I’m using LTspice 17.1.14. Not worried about pursuing this further if I don’t need to be. Thanks for all the help. Sent: Sunday, April 6, 2025 2:22 PM To: [email protected] Subject: Re: [LTspice]

To clarify -- Not one of those is an error message. The first four are status messages saying that the diode's N coefficient value was limited by LTspice.? The fifth line is a status message saying

Thanks Andy, for the explanation. I’ll look again. Those three commands did come up, but when I did a control F and entered round, nothing came up. I’ll look again. Sent: Sunday, April 6, 2025

Hi Tony, thanks. I extracted your zip file into a folder and ran your .asc from there. Would you still recommend your 1st paragraph to fix the problem? “The ideal current source causes the LM317A

Those error messages will continue.? It concerns a diode parameter N, which had been set to an extremely small value.? Until recently, that was accepted by LTspice despite being unreasonably