Author Topic: which cad is the most advanced for power/thermal analyses  (Read 2137 times)

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Offline LaserTazerPhaserTopic starter

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which cad is the most advanced for power/thermal analyses
« on: August 22, 2018, 06:24:36 am »
Are there any EDA's which excell in providing component power dissipation and even thermal rise? Im not talkin' bout resistors or BJTs rather IGBTs and the many different specialized IC's out there.
 

Offline DerekG

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Re: which cad is the most advanced for power/thermal analyses
« Reply #1 on: August 22, 2018, 10:29:42 am »
You could take a look at DesignSoft's Tinacad:

https://www.tina.com/stress-analysis
I also sat between Elvis & Bigfoot on the UFO.
 

Offline Rerouter

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Re: which cad is the most advanced for power/thermal analyses
« Reply #2 on: August 22, 2018, 11:25:25 am »
The closest you will probably find is "SolidWorks", most PCB packages these days should be able to export a 3D model of the PCB, If you filled in the materials with the original models, then you can just go add point sources of heat to them and run your simulation.

If you want it to know from your simulation that this resistor is at this voltage / current, so is this hot, simulating electrically and thermally at the same time... tell me when you find it, because throw in digital stuff there and that seems like too many fields at once for commercial software.
 

Offline Deridex

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Re: which cad is the most advanced for power/thermal analyses
« Reply #3 on: August 22, 2018, 04:07:20 pm »
I think i remember a Plugin named PDN-Analyzer for Altium that can handle such stuff.

Edit: Added name of the Plugin
« Last Edit: August 22, 2018, 04:11:14 pm by Deridex »
 

Offline Mattylad

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Re: which cad is the most advanced for power/thermal analyses
« Reply #4 on: August 26, 2018, 10:58:30 am »
Whichever tool you use for this (ISTR CADSTAR bought one out too) it will very likely be expensive.
I found that companies would prefer to pay a bureau that has the software  to do it for them as this saved them having to buy and maintain the software and train to use it.

That's if your wanting this in a commercial environment.
Matty
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Offline ahbushnell

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Re: which cad is the most advanced for power/thermal analyses
« Reply #5 on: August 26, 2018, 11:42:58 pm »
Are there any EDA's which excell in providing component power dissipation and even thermal rise? Im not talkin' bout resistors or BJTs rather IGBTs and the many different specialized IC's out there.

PLECS has a nice thermal modeling tool. 

But you can use RC equivalent ladder networks using SPICE for modeling. 
 

Offline T3sl4co1l

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Re: which cad is the most advanced for power/thermal analyses
« Reply #6 on: August 27, 2018, 05:06:42 am »
If you have a model for the heatsink, you can represent temperature as a voltage, thermal time constants as RC networks, and implement everything in SPICE.  Some manufacturers supply models with a TEMP pin, which connects to such a network.

If you need complete 3D modeling including airflow (CFD), the cost quickly rises to 5 digits or more.

Tim
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Electronic design, from concept to prototype.
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