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Yes, it can easily be done with the simple use of the AKO: syntax. But it was temporarily broken when V24.1 was first introduced. A modification of this method is now required, example:

Is it possible to STEP 2 different MOSFETs in a simulation run.? I've read about stepping models, and about basic subcircuits, but can you call one MOSFET file for the first step run and another

It looks like a corrupt download to me: an error in the PDF code. Delete the .ZIP and try downloading again. -- This email has been checked for viruses by AVG antivirus software. www.avg.com

Yeah I normally don't have issues with .zip files, but for some reason I couldn't the files within that zip

5pF is very high capacitance to add to every node in your circuit. It could significantly change the behaviour of many circuits. Does the supplied LT1375HV example circuit simulate OK in your version

As it happens I'm struggling with this old SPICE chestnut right now, working on trying to model the effect of a PTC fuse. This post ( /g/LTspice/message/530 ) resulted in me adding

As far as I can see, there's nothing wrong with the uploaded zip, but I updated the upload with just the .lib file. Can you normally open zip files in Explorer? -- Regards, Tony

Thank you for uploading the file, but when I try to open the .zip file I get an message saying "Assert Error ( WZTStamp.c@556 )" The parameter is incorrect." . Would you be able to re upload the file

I downloaded it directly from ADI's Website because the version that I have for LTspice XVII doesn't include the MAX44241.? When I checked if the component was within my version of Ltspice it wasn't.

Thanks for this. However, I just tried the old model library, and no syntax errors are reported in V24.1.4. Parentheses in the .model statements have always been ignored anyway, so it shouldn't matter

They're not the same. I have already uploaded the current model file to Files > Temp. -- Regards, Tony

This is a good example in support of the file management strategy of including all symbols (and models and whatnot) that are not part of the LTspice installation in the same directory (folder) as the

Did you use the MAX44241 model that comes with LTspice?? Or did you download the Macro Model from ADI's website? They are probably not the same.? (I didn't check this, but you could.)? You might

The MAX44241 model is now supplied with LTspice, as from 02/15/22. Have you been able to update your components since since that date? There is a line in the changelog suggesting this a corrected

Also FYI - The occurrence of the error tends to depend on both the SPICE part models, and on the circuit you used them in.? That model from Analog Devices might work perfectly in every other circuit

"Time step too small" errors have plagued SPICE users for half a century.? It is not easy to predict when they will happen, and can be even harder to eliminate them. Download the LTspice FAQ file (

Such errors are difficult to resolve. In this particular case, where an ADI schematic won't run. I suggest a report to ADI's Engineer Zone. It should run in XVII, unless ADI say it won't.

I had downloaded the MAX44241 Spice model and Ltspice schematic from Analog's website. For some reason I get the following error message. " Analysis: Time step too small; initial timepoint; trouble

From https://ltwiki.org/index.php?title=B_sources_(complete_reference): Bxxx n1 n2 V=<expression> Bxxx n1 n2 I=<expression> [Rpar=<value>] *[Cpar=<value>] + [[ic=<value>] tripdv=<value>]

I guess so. LTspice comes with lots of models for them from Schaffner and Würth. Do you have a part number for yours? F2 > [Contrib] > Schaffner > EMI F2 > [Contrib] > Wurth > EMC-Components >