Abstract
Abstract The use of semiconductor devices as a component of eco-friendly motor vehicles has increased and theirwidespread use as high voltage switches is expected. On the other hand, in the case of high-voltage switches, reliability test equipment is not localized. To test high voltage switches, this paper analyzed the relevant test standardsfor developing power supplies. In particular, for the automotive semiconductor reliability test, the AEC (AutomotiveElectronic Council) Q101 was analyzed. Based on that, the standard specifications of the power supply were determined. For the main power circuit, the pull bridge converter was adopted and based on the specification, the circuit parameters were determined and verified by simulation. The interface for the parallel and pattern operation wasdesigned. The characteristics of the power supply were tested. Key Words : High voltage power supply, Power voltage semiconducter, Reliability test * Corresponding Author : Sung-Chul Oh(Korea University of Technology and Education)Tel: +82-10-2415-95317 email: scoh@koreatech.ac.krReceived April 9, 2014 Revised (1st July 10, 2014, 2nd September 29, 2014, 3rd October 29, 2014, 4th November 5, 2014) Accepted November 6, 2014
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