USB-C reference designs, finished modules deliver over 95% average efficiency

PULSIV Series of reference designs and assembled modules for USB-C applications deliver an average efficiency of more than 95%. Developed in collaboration with GaN leader, Innoscience and magnetics expert, Frenetic Modules, modules minimize energy waste under all operating conditions. Designs will be released throughout 2024 to support a new class of sustainable USB-C chargers, adapters, and in-wall sockets. The first 65W solution is expected to be announced towards the end of March 2024. The front-end of the design utilizes firm’s OSMIUM technology to manage the ac to dc conversion process with zero inrush current and no input voltage derating. Using an intelligent active valley fill approach, this patented method also enables the use of smaller system components compared to conventional designs. The dc-dc converter in the 65W variant is based on an industry standard QR flyback. However, when combining the OSMIUM front-end design with optimized magnetics from Frenetic, it is now possible to use an EQ20 core, which provides a 20% reduction in the flyback transformer size.

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