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Sensors and Materials
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Sensors and Materials, Volume 32, Number 1(2) (2020)
Copyright(C) MYU K.K.
pp. 253-262
S&M2099 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2020.2575
Published: January 20, 2020

High-voltage Driver with a Switch-capacitor Cell and a Current-sensing Resister for Implementing Functions of Zero-voltage Switching and Overcurrent Protection [PDF]

Cheng-Tao Tsai and Jye-Chau Su

(Received July 24, 2019; Accepted October 16, 2019)

Keywords: ZVS, overcurrent, voltage doubler

In this paper, a high-voltage driver with a switch-capacitor cell and a current-sensing resistor for implementing the functions of zero-voltage switching (ZVS) and overcurrent protection is proposed. It has the following advantages: (1) By using a switch-capacitor cell for implementing the function of ZVS, we can reduce the switching losses of active switches. (2) By using a voltage-doubler circuit, we can easily obtain a high voltage (8 kV). (3) By incorporating a sensing resistor and a logic circuit, we can sense overcurrent conditions to achieve the function of protection. Therefore, the proposed high-voltage driver can increase efficiency and safety. To verify its performance, a prototype of the proposed high-voltage driver is built. The experimental results have confirmed that the proposed high-voltage driver with a switch-capacitor cell and a current-sensing resistor for implementing the functions of ZVS and overcurrent protection is suitable for application to air cleaners.

Corresponding author: Cheng-Tao Tsai


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Cite this article
Cheng-Tao Tsai and Jye-Chau Su, High-voltage Driver with a Switch-capacitor Cell and a Current-sensing Resister for Implementing Functions of Zero-voltage Switching and Overcurrent Protection, Sens. Mater., Vol. 32, No. 1, 2020, p. 253-262.



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