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CERN Accelerating science

CMS Note
Report number CMS-CR-2013-451
Title Development of a DC-DC conversion powering scheme for the CMS Phase-1 pixel upgrade
Author(s) Feld, Lutz Werner (Aachen, Tech. Hochsch.) ; Christian Fimmers ; Karpinski, Waclaw (Aachen, Tech. Hochsch.) ; Klein, Katja (Aachen, Tech. Hochsch.) ; Lipinski, Martin (Aachen, Tech. Hochsch.) ; Preuten, Marius (Aachen, Tech. Hochsch.) ; Max Rauch ; Rittich, David Michael (Aachen, Tech. Hochsch.) ; Sammet, Jan Domenik (Aachen, Tech. Hochsch.) ; Wlochal, Michael (Aachen, Tech. Hochsch.)
Collaboration CMS Collaboration
Publication 2014
Imprint 13 Dec 2013
Number of pages 11
In: JINST 9 (2014) C01048
In: Topical Workshop on Electronics for Particle Physics, Perugia, Italy, 23 - 27 Sep 2013, pp.C01048
DOI 10.1088/1748-0221/9/01/C01048
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; CMS
Abstract A novel powering scheme based on the DC-DC conversion technique will be exploited to power the CMS Phase-1 pixel detector. DC-DC buck converters for the CMS pixel project have been developed, based on the AMIS5 ASIC designed by CERN. The powering system of the Phase-1 pixel detector is described and the performance of the converter prototypes is detailed, including power efficiency, stability of the output voltage, shielding, and thermal management. Results from a test of the magnetic field tolerance of the DC-DC converters are reported. System tests with pixel modules using many components of the future pixel barrel system are summarized. Finally first impressions from a pre-series of 200 DC-DC converters are presented.
Copyright/License Preprint: (License: CC-BY-4.0)

Corresponding record in: Inspire


 Record created 2013-12-16, last modified 2018-06-07


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