A hybrid piezoelectric resonator-based DC-DC converter

Jae-Young Ko1, Wen-Chin B Liu1, Patrick P Mercier2

  • 1Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA, USA.

Nature Communications
|March 18, 2026
PubMed
Summary

This study introduces a novel piezoelectric resonator DC-DC converter using flying capacitors. This design significantly improves efficiency and output current for high voltage conversion ratios.

Related Concept Videos

Bridge rectifier01:24

Bridge rectifier

The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
1.9K
Half wave rectifier01:20

Half wave rectifier

A half-wave rectifier is a fundamental circuit in electronics, designed to convert alternating current (AC) voltage into a unidirectional voltage. It utilizes the simplest form of diode rectification, where the circuit comprises a single diode in series with a load resistor and an AC power source.
2.8K
Full wave rectifier01:22

Full wave rectifier

A full-wave rectifier is a device that converts alternating current (AC) to direct current (DC) and is more efficient than its half-wave counterpart. It typically includes a center-tapped transformer, two diodes, and a load resistor. The secondary winding of the transformer is divided to provide two equal voltages of opposite polarities, which is the pivotal element of full-wave rectification.
3.2K