Min-Hsuan Hung

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A high voltage driving circuit having pulse mode is proposed for driving tubular field emission lamp (FEL). The employed main circuit topology, which is a flyback converter operated in discontinuous conduction mode (DCM), will not only provide a low cost negative pulse feature, but also eliminate the arcing phenomenon caused by traditional DC driving so as(More)
A MCU-based charger for the LiFeO<sub>4</sub> battery pack is implemented in this paper. The main circuit is a full-bridge phase-shift converter. The user can select the charging strategy and observe the state of charge (SOC) of the battery from the operation interface. Moreover, the proposed charger system communicates with the battery management system(More)
An impulsed-power generator, which possesses low cost and simple configuration, operated in discontinuous conduction mode (DCM) for driving a tubular field emission lamp (TFEL) is presented in this paper. The proposed system based on flyback topology can provide impulse power driving to eliminate the arcing phenomenon caused by the traditional DC voltage(More)
This paper presents a battery charger for LiFePO<inf>4</inf> battery pack based on a series-resonant topology. The synchronous rectification technique is incorporated into the proposed system to improve the charging performance. Moreover, the frequency domain analysis and the equivalent circuit of each operation mode are descried and conducted. The(More)
In this paper, A MCU-based electronic ballast for electrodeless fluorescent lamp (EFL) is implemented. The used two stage system consists of a power factor corrector and a class D resonant inverter. In addition, an 8-bit microcontroller is employed to act as the control core of the system to achieve digital control feature. Moreover, we not only discuss the(More)
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