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[Moved] need STE53NC50 MOSFET PSPICE library

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yviswanathbe

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Hi Friends,

I want to simulate my circuit in Orcad PSPICE.

I did not find the library for the component(STE53NC50 Mosfet) i am using.

Can any body help me how to create the PSPICE model for this part or can some body share me the library if already used.

Thanks and Regards,
Viswanath
 

Re: need STE53NC50 MOSFET PSPICE library

The suggested method is as such:
Go to the manufacturer website and search for a SPICE model. If they don't have it (as in this case), it most likely doesn't exist. Then you can refer to other transistors with almost similar data. Or try to setup a generic part with the respective PSpice tools.
 

Re: need STE53NC50 MOSFET PSPICE library

Hi,

Thank you for your reply.

I have searched the Manufacturer's website. It seems they do not have the PSPICE model for this part. I have put a request mail for the model.

Can i create my own model for this part by using datasheet?
Could you please share some tutorial on how to create own PSPICE model?

Thanks and Regards,
Viswanath
 

Re: need STE53NC50 MOSFET PSPICE library

I guess, searching a similar transistor or paralleling several lower current devices will be the most easy way. The other available method is using the PSpice Model Editor tool and needs basic characteristics like Rds,on and Id versus Vgs and capacitance numbers.

As an additional remark, for a reasonable simulation of circuit behaviour, you posibly need to add package parasitics, particularly inductances. They are not considered in most basic vendor and PSpice shipped models, although some have it, e.g. from ST.
 

Re: need STE53NC50 MOSFET PSPICE library

I would also recommend the method suggested by FvM. Also it would depend upon type of circuit & design goal on how accurate model you need. based on that you can focus on tailoring the model accuracy only for your specific need, for example if you are designing gate drive circuit you may want more accurate gate capacitor/charge behavior in your model.
 

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