Lately I got a PSpice listing that differs wildly from the LTSpice listings used by LTSpice. Anyone knows a way to convert from PSpice to LTSpice?. ******************************************* 6th Sept 2016: LTspice XVII has an NIGBT and an PIGBT model. Download this version of LTspice from linear.com Select the new component icon (the AND gate symbol in the toolbar), then go to the MISC directory. They are in there ******************************************* Follow my LTSpice tutorial: You need tutorial number 3: importing 3rd party models Use the.lib file and import this into LTS. You can rename the.lib file to a.txt file if it makes it easier. It is just text The 2 files you mention are PSPICE compatible, so you should be able to use them with LTSpice. Hello, I'm getting the same problem to connect that IXYS IGBT. Its lib file looks like this (so without pins input):.MODEL IXGT32N170A NIGBT + TAU=63.552E-9 + KP=14.397 + AREA=16.000E-6 + AGD=6.4000E-6 + WB=117.00E-6 + VT=5.3804 + MUN=1.0000E6 + MUP=150 + BVF=9.9990 + KF=.5005 + CGS=38.737E-9 + COXD=88.530E-9 + VTD=-5 I've tried almost everything and still get the same error message 'Unknown subcircuit called in: xu1 n001 n004 ixgt32n170a'. Does anyone know how to solve that problem. Thanks in advance bob. OK here goes. If you use a suffix 'M' LTSpice expects a whole load of mosfet related parameters to follow. Likewise with a transistor, it expects transistor characteristics to follow. If you use the suffix X, it expects a subcircuit made up of simpler.model statements. You dont have any of this. In fact it looks at first glance that you have a bunch of parameter specific to an IGBT. If LTSpice does not recognise these, no amount of trickery will overcome this. Looking at other posts, I have seen people making their own models using a MOSFET on the front end and a transistor on the back end. This is the only compromise I can offer. If i hear of any other way of doing this, I will let you know. I've cracked it. Please find attached the circuit IGBT.asc. Save this to a directory of your choice. IN THE SAME DIRECTORY, save the attached file IGBT.txt. You should be able to run the circuit. I got the file from the Fairchild website, so it seems that if you want to simulate IGBTs, look at the Fairchild parts For future reference: Open IGBT.txt (the model file) in LTSpice. Navigate to the line starting.subckt. Right Click over this line and select Create Symbol. This will create a block according to the subckt model. Create a new simulation file. Click on the AND gate symbol to select a new symbol. In the root component directory, go to [AutoGenerated]. In there will be the symbol you have just created. Add the line.include IGBT.txt (or whatever your file is called). Make sure the filename EXACTLY matches the file called up in the.include statement. ![]() ![]() Just as a check, do CTRL Right Click over the IGBT symbol and make sure that the name in the Value field is IDENTICAL to the name directly after the.subckt directive in your Spice model (in my case it is FGA180N33ATD). This should then work. Importing third party spice models is detailed in my LTSpice tutorial. You can't (at least not that I know). The.MODEL statement tells LTSpice to model a specific 'simple' component, such as a transistor, resistor, diode etc. At the end of every.model statement line is a D (for diode), NMOS for an N channel FET etc. Your model has a NIGBT at the end which is a component not recognised by LTSpice. The only way around this is to use a dedicated.subckt statement and Fairchild appears to do this. A.subckt statement tells LTSpice to look for a subcircuit made up of several simpler.model statements. Thus you can build one component made up of lots of smaller simpler (.model) components (like an op amp). It is illegal for you to distribute copyrighted files without permission. The media files you download with aiohows.com must be for time shifting, personal, private, non commercial use only and remove the files after listening. Manual para carburador bocar 2 gargantas nissan sentra de. Looking at the Fairchild model, it looks like they have build the subcircuit around an NMOS front end with an npn back end. You might want to post something on the Yahoo LTSpice user group to see what they come up with. Failing that, get the datasheet of the Fairchild part next to teh datasheet of your part and modify the Fairchild model accordingly.
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