Alatise, Olayiwola M., Parker-Allotey, Nii-Adotei and Mawby, P. A. (Philip A.) (2011) Super-junction trench MOSFETs for improved energy conversion efficiency. In: IEEE Innovative Smart Grid Technologies Conference (ISGT) , Manchester Central Convention Complex, Manchester, United Kingdom, Dec 5-7, 2011. Published in: Innovative Smart Grid Technologies (ISGT Europe), 2011 2nd IEEE PES International Conference and Exhibition on pp. 1-5.

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Abstract

Super-junction trench MOSFETs with ion-implanted pcolumns have been fabricated alongside conventional trench MOSFETs and are characterized by inductive switching circuits. The super-junction MOSFETs are designed to be on-state resistance (RDSON) matched with the conventional trench MOSFETs (using different die sizes). Another set of super-junction MOSFETs are fabricated with the same die area and are fitted in identical TO-220 packages. In the case of the RDSON matched devices, switching losses in the super-junction MOSFET were reduced by more than 55% whereas in the area matched devices, conduction losses were reduced by more than 50% in the super-junction MOSFETs. Using the principle of charge balance formed by very simple fabrication techniques, energy conversion efficiency has significantly been improved in power semiconductor devices.

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Journal or Publication Title:	Innovative Smart Grid Technologies (ISGT Europe), 2011 2nd IEEE PES International Conference and Exhibition on
Publisher:	IEEE
ISSN:	2165-4816
Book Title:	2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies
Date:	2011
Page Range:	pp. 1-5
Identification Number:	10.1109/ISGTEurope.2011.6162631
Status:	Not Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Conference Paper Type:	Paper
Title of Event:	IEEE Innovative Smart Grid Technologies Conference (ISGT)
Type of Event:	Conference
Location of Event:	Manchester Central Convention Complex, Manchester, United Kingdom
Date(s) of Event:	Dec 5-7, 2011
URI:	http://wrap.warwick.ac.uk/id/eprint/45860

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