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Analysis of parallel CoolMOS under saturation-mode operation
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Ahmed, M. M. R. and Mawby, P. A. (Philip A.) (2008) Analysis of parallel CoolMOS under saturation-mode operation. In: 34th Annual Conference of the IEEE-Industrial-Electronics-Society, Orlando, FL, Nov 10-13, 2008. Published in: IEEE Industrial Electronics Society. Annual Conference. Proceedings, Vol.1-5 pp. 500-504. ISBN 978-1-4244-1767-4. ISSN 1553-572X. doi:10.1109/IECON.2008.4758013
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Official URL: http://dx.doi.org/10.1109/IECON.2008.4758013
Abstract
In this paper we study the parallel operation of power MOSFETs. Normally, being switches, they operate either in the cut-off region or in the linear region, thus acting as a switch. However, in some fault conditions it is necessary for the MOSFET to be used to limit the current, in which case the device may operate in the saturation region. The MOSFET can only operate in this region for a finite amount of time, as is limited by thermal considerations. Specifically in this paper we study lite parallel operation of CoolMOS devices using stat-of-the-art electrothermal models implemented in SABER. Tire simulation results reported in this paper offer a valuable insight into the parallel operation of super junction MOSFETs operating in the saturation-mode operation. By varying the properties of one of the MOSFETs in parallel, the effect on system thermal stability is explored and hence is used to enhance the reliability of such paralleled devices.
| Item Type: | Conference Item (UNSPECIFIED) | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Metal oxide semiconductor field-effect transistors | ||||
| Series Name: | IEEE Industrial Electronics Society | ||||
| Journal or Publication Title: | IEEE Industrial Electronics Society. Annual Conference. Proceedings | ||||
| Publisher: | IEEE | ||||
| ISBN: | 978-1-4244-1767-4 | ||||
| ISSN: | 1553-572X | ||||
| Official Date: | 2008 | ||||
| Dates: |
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| Volume: | Vol.1-5 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 500-504 | ||||
| DOI: | 10.1109/IECON.2008.4758013 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Title of Event: | 34th Annual Conference of the IEEE-Industrial-Electronics-Society | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Orlando, FL | ||||
| Date(s) of Event: | Nov 10-13, 2008 |
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