Development and Static Mode Characterization of a New Low-Loss AC Switch Based on Super-gain BJT

This paper deals with an innovative low-loss AC switch, named as TBBS （transistor based bidirectional switch）, based on the association of super-gain BJTs developed by the GREMAN laboratory. The main characterization results of the super-gain BJT are reminded to identify the key parameters that are...

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Published inJournal of energy and power engineering Vol. 8; no. 2; pp. 357 - 364
Main Authors Ren, Zheng, Jacques, Sébastien, Song, Yubing, Caldeira, Adelphe, Goubard, Guillaume, Schellmanns, Ambroise, Batut, Nathalie
Format Journal Article
LanguageEnglish
Published David publishing compagny 28.02.2014
David Publishing Company
Subjects
BJT
Engineering Sciences
Micro and nanotechnologies
Microelectronics
三端双向可控硅
交流开关
低损耗
开发
表征
超增益
静态
AC switch
super-gain
static characterization
BJT
low power consumption
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Summary:This paper deals with an innovative low-loss AC switch, named as TBBS （transistor based bidirectional switch）, based on the association of super-gain BJTs developed by the GREMAN laboratory. The main characterization results of the super-gain BJT are reminded to identify the key parameters that are essential to build the TBBS. A complete characterization database in static mode of this new AC switch is discussed. In particular, its forward and reverse-biased features have been measured to see the evolution of the DC current gain as a function of the current density. The TBBS makes sense when using the super-gain BJT （bipolar junction transistor） in reverse mode. It means that the reverse DC current gain has to be sufficient （at least higher than l compared with the conventional BJT one）. This new AC switch is bidirectional in current and voltage, totally controllable （turn-on and turn-off） and the most attractive solution in terms of on-state power losses. Further, its manufacturing process is as easier as existing device such as triac.
Bibliography:AC switch, BJT, super-gain, static characterization, low power consumption.
This paper deals with an innovative low-loss AC switch, named as TBBS （transistor based bidirectional switch）, based on the association of super-gain BJTs developed by the GREMAN laboratory. The main characterization results of the super-gain BJT are reminded to identify the key parameters that are essential to build the TBBS. A complete characterization database in static mode of this new AC switch is discussed. In particular, its forward and reverse-biased features have been measured to see the evolution of the DC current gain as a function of the current density. The TBBS makes sense when using the super-gain BJT （bipolar junction transistor） in reverse mode. It means that the reverse DC current gain has to be sufficient （at least higher than l compared with the conventional BJT one）. This new AC switch is bidirectional in current and voltage, totally controllable （turn-on and turn-off） and the most attractive solution in terms of on-state power losses. Further, its manufacturing process is as easier as existing device such as triac.
ISSN:1934-8975
1934-8983
1934-8983
DOI:10.17265/1934-8975/2014.02.020