Abstract
Editorial for the special issue on switched-capacitor circuits and partial processing techniques
Highlights
Switched-capacitor circuits are gaining renewed interests for its capability of processing unregulated power with 99% duty ratio, ultra-high efficiency and ultra-high power density
Partial processing techniques are reemerging to leverage the benefits from both switched-capacitor circuits and traditional PWM circuits
In order to fully realize their potential, several technological breakthroughs are needed, including techniques in providing 99% duty ratio while minimize the size of energy storage elements, multi-level techniques to minimize component size while maintain ultra-high efficiency and power density, magnetic structure that can provide voltage or current controlled inductance with minimum size and high current, PwrCMOS controllers that can drive a large number of channels with virtually fixed duty ratio, etc
Summary
Editorial for the Special Issue on Switched-Capacitor Circuits and Partial Switched-capacitor circuits are gaining renewed interests for its capability of processing unregulated power with 99% duty ratio, ultra-high efficiency and ultra-high power density. Half-resonance circuits are most promising because of its lab demonstrated efficiency (>98.5%) and power density (>1 000 W/in3). Partial processing (including partial energy, partial power, partial voltage or/and partial current) techniques are reemerging to leverage the benefits from both switched-capacitor circuits and traditional PWM circuits.
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