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Diagnosis of power switches with power-distribution-network consideration

Diagnosis of power switches with power-distribution-network consideration
Diagnosis of power switches with power-distribution-network consideration
This paper examines diagnosis of power switches when the power-distribution-network (PDN) is considered as a high resolution distributed electrical model. The analysis shows that for a diagnosis method to perform high diagnosis accuracy and resolution, the distributed nature of PDN should not be simplified by a lumped model. For this reason, a PDN-aware diagnosis method for power switches fault grading is proposed. The proposed method utilizes a novel signature generation design-for-testability (DFT) unit, the signatures of which are processed by a novel diagnosis algorithm that grades the magnitude of faults. Through simulations of physical layout SPICE models, we explore the trade-offs of the proposed method between diagnosis accuracy and diagnosis resolution against area overhead and we show that 100% diagnosis accuracy and up to 98% diagnosis resolution can be achieved with negligible cost
1530-1877
IEEE
Tenentes, Vasileios
1bff9ebc-9186-438b-850e-6c738994fa39
Rossi, Daniele
30c42382-cf0a-447d-8695-fa229b7b8a2f
Khursheed, Saqib
0c4e3d52-0df5-43d9-bafe-d2eaea457506
Al-Hashimi, Bashir M.
0b29c671-a6d2-459c-af68-c4614dce3b5d
Tenentes, Vasileios
1bff9ebc-9186-438b-850e-6c738994fa39
Rossi, Daniele
30c42382-cf0a-447d-8695-fa229b7b8a2f
Khursheed, Saqib
0c4e3d52-0df5-43d9-bafe-d2eaea457506
Al-Hashimi, Bashir M.
0b29c671-a6d2-459c-af68-c4614dce3b5d

Tenentes, Vasileios, Rossi, Daniele, Khursheed, Saqib and Al-Hashimi, Bashir M. (2015) Diagnosis of power switches with power-distribution-network consideration. In 20th IEEE European Test Symposium: ETS 2015. IEEE. 6 pp . (doi:10.1109/ETS.2015.7138774).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper examines diagnosis of power switches when the power-distribution-network (PDN) is considered as a high resolution distributed electrical model. The analysis shows that for a diagnosis method to perform high diagnosis accuracy and resolution, the distributed nature of PDN should not be simplified by a lumped model. For this reason, a PDN-aware diagnosis method for power switches fault grading is proposed. The proposed method utilizes a novel signature generation design-for-testability (DFT) unit, the signatures of which are processed by a novel diagnosis algorithm that grades the magnitude of faults. Through simulations of physical layout SPICE models, we explore the trade-offs of the proposed method between diagnosis accuracy and diagnosis resolution against area overhead and we show that 100% diagnosis accuracy and up to 98% diagnosis resolution can be achieved with negligible cost

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ETS-2015-eprints.pdf - Accepted Manuscript
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More information

Accepted/In Press date: 20 February 2015
e-pub ahead of print date: 2 July 2015
Published date: 2 July 2015
Venue - Dates: 20th IEEE European Test Symposium (ETS 2015), Cluj-Napoca, Romania, 2015-05-24 - 2015-05-28
Organisations: Electronic & Software Systems

Identifiers

Local EPrints ID: 377305
URI: http://eprints.soton.ac.uk/id/eprint/377305
ISSN: 1530-1877
PURE UUID: aade82db-359c-44fc-8983-5bf76f8a9926

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Date deposited: 29 May 2015 08:26
Last modified: 09 Jan 2022 09:02

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Contributors

Author: Vasileios Tenentes
Author: Daniele Rossi
Author: Saqib Khursheed
Author: Bashir M. Al-Hashimi

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