NDLI: Power supply ESS: A case study evaluating IPC 9592A recommendations

Content Provider	IEEE Xplore Digital Library
Author	Doertenbach, N.
Copyright Year	2012
Description	Author affiliation: Qualmark Corporation, 10390 East 48th Avenue, Denver, CO 80238, USA (Doertenbach, N.)
Abstract	In 2010, IPC released 9592A, “Performance Parameters for Power Conversion Devices”. The standard includes descriptions of Highly Accelerated Stress Screening (HASS) and Highly Accelerated Stress Audits (HASA) for PCD (Power Conversion Device) ESS, and describes them as more effective than Burn-In. A case study comparing the effectiveness of Burn In with Highly Accelerated Stress Audits (HASA) has demonstrated the greater effectiveness of HASA. Implemented at a high volume PCD manufacturer for a one year period, the study determined that HASA, run after a tradition Burn-In process, caught failures that the Burn-In process was unable to discover. Failure rates of PCDs in Burn-In were 0.002% of the units, whereas failures in HASA were 1.25% of the units tested. Further, field warranty failures for units run through HA SA were non-existent whereas warranty failure rates of PCDs run only through Burn-In were 0.15%, a material economic difference in such high volume PCDs. The paper concludes that the IPC 9592A recommendations for using HASS and HASA in PCD manufacturing are well-founded, and that they are demonstrably superior to Burn-In for reducing field failure rates.
Starting Page	1
Ending Page	5
File Size	518153
Page Count	5
File Format	PDF
ISBN	9781457718496
ISSN	0149144X
e-ISBN	9781457718519
DOI	10.1109/RAMS.2012.6175473
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-01-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Production Stress Industries Testing Standards Life estimation Power conversion Highly Accelerated Stress Audit Burn-In ESS HASA HASS Highly Accelerated Life Test
Content Type	Text
Resource Type	Article

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