CERN Accelerating science

Article
Title Universal test system for boards hosting bPOL12V DC-DC converters
Author(s) Stachon, K (Zurich, ETH) ; Dissertori, G (Zurich, ETH) ; Gadek, T (Zurich, ETH) ; Lustermann, W (Zurich, ETH)
Collaboration CMS Collaboration
Publication 2024
Number of pages 8
In: JINST 19, 04 (2024) pp.C04032
In: Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C04032
DOI 10.1088/1748-0221/19/04/C04032
Subject category Particle Physics - Experiment ; Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; CMS
Abstract The ECAL Barrel and MTD Barrel Timing Layer subdetectors of CMS are approaching series production of electronic boards, including voltage conditioning PCBs: LVRs and PCCs respectively. 2448 LVRs and 864 PCCs will be installed during LS3 of the LHC. These boards are hosting radiation-tolerant bPOL12V ASICs which convert a broad input voltage range into required voltage levels for microelectronics between 1.2–2.5 V. Each card must be tested multiple times at various production stages to ensure its conformity. This contribution describes a methodology of testing bPOL12V conversion quality including the detection of instability regions at certain load levels.
Copyright/License © 2024-2025 The authors (License: CC-BY-4.0)

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