Bidirectional DIAC Devices with Two-Stage Triggering

A version of dual-direction SCR (DIAC), with control of the holding voltage and turn-on electrical characteristics by layout parameters, is presented. The effect of additional p-emitter region inside the device floating isolation region on the desired device characteristics is studied. By using an n...

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Bibliographic Details
Published in2024 46th Annual EOS/ESD Symposium (EOS/ESD) Vol. 46; pp. 1 - 5
Main Authors Amato, Michael, Vashchenko, Vladislav
Format Conference Proceeding
LanguageEnglish
Published EOS/ESD Association, Inc 16.09.2024
Subjects
Current measurement
Electric variables
Junctions
Layout
Thyristors
Voltage control
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DOI10.23919/EOS/ESD61719.2024.10702114

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Summary:A version of dual-direction SCR (DIAC), with control of the holding voltage and turn-on electrical characteristics by layout parameters, is presented. The effect of additional p-emitter region inside the device floating isolation region on the desired device characteristics is studied. By using an n-collector and/or a p-emitter in the blocking junction of the device, the holding voltage and high current capabilities of the device can be optimized to system level requirements. Experimental measurements and comprehensive mixed-mode TCAD simulations are presented for a 20V tolerant system level cell.
DOI:10.23919/EOS/ESD61719.2024.10702114