Mixed-signal simulation of digitally controlled switching converters

In this paper we give an overview of tasks, models and mixed-signal simulation tools to support design of digitally controlled switching power supplies where the digital controller is implemented in a dedicated FPGA or ASIC. Mixed-signal simulation models of a digitally controlled switching converter based on Matlab/Simulink and HDL/Spice simulation tools are presented. The models are used in the design of a high-frequency digital controller integrated circuit for DC-DC switching converters. Simulation and experimental results are compared.

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