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A SPICE MODEL FOR THE ACCURATE SIMULATION OF A POWER MOSFET DURING SWITCHING
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| Author(s) |
J. Shen; P. R. Palmer |
| Abstract |
A new model of power MOSFETs for simulation of the switching performance of the device is presented. The basic idea of the model is to use a piece-wise nonlinear curve fitting technique to represent the non-linear capacitance Cdg of the device so as to reduce the orders of polynominal to quadratic while greatly improving the accuracy of the curve fitting. The purpose of the work is that the model should be sufficiently accurate, such that gate circuit conditions can be designed for optimal switching performance in a given circuit containing stray inductances. To realize the piece-wise non-linear method, small ideal switches are employed. The model is simple and can be implemented in most versions of SPICE. |
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| Filename: | Unnamed file |
| Filesize: | 2.325 MB |
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| Type |
Members Only |
| Date |
Last modified 2019-07-17 by System |
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