Simulation Analysis of an Effective Gate Drive Scheme for a New Soft-Switched Synchronous Buck Converter

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Provided by: The International Journals of Engineering & Sciences (IJENS)
Topic: Hardware
Format: PDF
In this paper, the authors propose a new resonant gate driver circuit for a soft switching synchronous buck converter in a fixed load condition. The switching energy can be fully recovered during current commutation phase in the gate driver while the diode conduction losses in the low and high side switches can be substantially reduced by employing additional L and C resonant in the circuit. Using PSpice simulation, the optimization technique has been studied. From the predetermined pulse width of the generated signals, the optimized resonant inductor current is observed to generate less oscillation and hence lower the switching loss.
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