Determination of transient thermal characteristics for thermal electric behavioral models of integrated circuits

A. Yu Drakin, L. A. Potapov, A. N. Shkolin


The article describes a method for determining thermal characteristics of integrated micro-circuits to identify thermal parameters of multidisciplinary (thermal-electric) behavioral models. The problem is solved on the example of high-frequency pulse voltage converters. A solution was proposed to refine the minimum structure of the thermoelectric model based on an iterative least squares method using the Levenberg-Marquardt algorithm, as well as a graph of the spectral density of time constants. This made it possible to reduce the influence of the filtering factor in the deconvolution operation when building a thermal model using the structural function of the thermal characteristic transition.


integrated circuits, thermal resistance, thermoelectric model, p-n-junction, Matlab


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