Bidirectional Digital Up-Down DC/DC Converter

This report presents a fully digital, bidirectional and automatic up-down DC/DC converter. After introducing the power architecture, design aspects of the hardware and firmware will be explained. The MCU is programmable on-the-fly via a Python based GUI. Finally an outlook on design status and future developments will be given.

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First Harmonic Approximation deviation

The First Harmonic Approximation (FHA) is a modelling technique used to analyse the performance of resonant power converters. This technical note will demonstrate that the power transfer estimation based upon the FHA is too conservative.

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