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Re: Sub circuit heat dissipation not showing


 

Helmut thanks for your answer. Much appreciated. Unfortunately, last night I replied with a detailed answer. I hit SEND but it isn't here ?? I don't understand. Humm..

Basically I said I uploaded the TIP142 sub circuit and I get a dissipation plot but not the power dissipation value. For that matter R2 doesn't even have dissipation value. I think in my original post I point out that the value (not the only the formula) is what I was looking for.

Very frustrating that I typed such a detailed answer last night but it's not here! I'm at work so that about all the time I have.

BTW. What is the Poll button about??

Also how do I get emails just on this conversation and not all the others in the LT Spice group. I must admit this group is very informative though. I just didn't want to fill up my mailbox.

Thanks Again, Brad
PS) hopefully this post will make it through!!


---In LTspice@..., <helmutsennewald@...> wrote :

Hello,

The power dissipation of the TIP142 from our Files section will be correctly displayed.
TIP_142_test.zip

??

Here are a few more examples. Their power will be displayed too.


All the Darlington transistors in my examples correctly plot power.?

In therory there are subcircuits possible where LTspice doesn't plot the power due to special combinations of sources internally connected to the pins of a subcircuit.

You should upload your files for a test.

Best regards,
Helmut

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