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Why does optimization using Forward topology (DPA-Switch) take longer time than Flyback (TOPSwitch and TinySwitch) designs?

April 26, 2017Designs dpa-switch Flyback forward longer optimization time Topology topswitch

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Why does optimization using Forward topology (DPA-Switch) take longer time than Flyback (TOPSwitch and TinySwitch) designs?

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Optimization using the Forward topology often takes longer time than a Flyback design. This is because the optimization algorithm for DPA-Switch is far more complex. The algorithm steps through several possible solutions corresponding to different combinations DPA-Switch, transformer and output rectifier while iterating the transformer turns’ ratio. It then assigns scores for each solution based on efficiency of the design, cost and size of components. The design with the highest score representing the most optimum design is presented.