Optical triggering of SiC thyristors using UV LEDs

This reported work describes the demonstration of direct light triggering of 4H-SiC thyristors by UV LEDs. Two different structures with etched and non-etched gate were successfully tested. The current rise time was less than 100 ns and the delay time in the range 2-16 s depending on experimental co...

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Veröffentlicht in:Electronics letters 2011-03, Vol.47 (7), p.459-460
Hauptverfasser: DHEILLY, N, PAQUES, G, SCHARNHOLZ, S, BEVILACQUA, P, RAYNAUD, C, NGUYEN, D.-M, DE DONCKER, R. W, PLANSON, D
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container_end_page 460
container_issue 7
container_start_page 459
container_title Electronics letters
container_volume 47
creator DHEILLY, N
PAQUES, G
SCHARNHOLZ, S
BEVILACQUA, P
RAYNAUD, C
NGUYEN, D.-M
DE DONCKER, R. W
PLANSON, D
description This reported work describes the demonstration of direct light triggering of 4H-SiC thyristors by UV LEDs. Two different structures with etched and non-etched gate were successfully tested. The current rise time was less than 100 ns and the delay time in the range 2-16 s depending on experimental conditions. The delay time dependency on the LED current is compared with simulation results. This work shows that the UV LED technology is becoming sufficiently mature to switch on SiC thyristors. Thus, an alternative, less expensive and more compact gate light source than the UV laser is now possible. This is of particular interest for very high voltage and pulse power electronic applications.
doi_str_mv 10.1049/el.2010.7041
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1350-911X
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subjects Applied sciences
Circuit properties
Electric power
Electric, optical and optoelectronic circuits
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Engineering Sciences
Exact sciences and technology
Optoelectronic devices
Other multijunction devices. Power transistors. Thyristors
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Switching, multiplexing, switched capacity circuits
title Optical triggering of SiC thyristors using UV LEDs
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