UC San Diego and CEA-Leti's Breakthrough Piezoelectric Resonator DC-DC Converter
In a groundbreaking collaboration between the University of California San Diego and CEA-Leti, scientists have unveiled a pioneering piezoelectric-based DC-DC converter, consolidating all power switches onto a single chip to enhance power density. This innovative power topology, showcased at ISSCC 2024, amalgamates the strengths of piezoelectric converters with capacitive-based DC-DC converters, heralding a new era in power conversion technology.
Unprecedented Efficiency: The Dual-side Series/Parallel Piezoelectric Resonator (DSPPR) represents the inaugural IC for piezoelectric resonator (PR)-based power conversion, achieving an astounding 310% reduction in losses compared to prior-art designs. These power converters defy convention by offering significantly smaller form factors compared to conventional bulky inductors, paving the way for their integration into a myriad of devices ranging from smartphones to server farms and AR/VR headsets. With the potential to be applied in various DC-DC conversion scenarios, the versatility of these converters holds promise for revolutionizing power management across diverse technological domains. Paper Presentation: The research findings were presented in the paper titled "An Integrated Dual-side Series/Parallel Piezoelectric Resonator-based...
Unprecedented Efficiency: The Dual-side Series/Parallel Piezoelectric Resonator (DSPPR) represents the inaugural IC for piezoelectric resonator (PR)-based power conversion, achieving an astounding 310% reduction in losses compared to prior-art designs. These power converters defy convention by offering significantly smaller form factors compared to conventional bulky inductors, paving the way for their integration into a myriad of devices ranging from smartphones to server farms and AR/VR headsets. With the potential to be applied in various DC-DC conversion scenarios, the versatility of these converters holds promise for revolutionizing power management across diverse technological domains. Paper Presentation: The research findings were presented in the paper titled "An Integrated Dual-side Series/Parallel Piezoelectric Resonator-based...
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