An FPGA-based Data Aggregator for the New ATLAS ITK Pixel DCS

TL;DR

This paper presents an FPGA-based data aggregator, MOPS-Hub, designed for the ATLAS ITK pixel detector upgrade, including SEU mitigation strategies and irradiation testing results.

Contribution

It introduces a novel FPGA-based interface, MOPS-Hub, for efficient data aggregation and SEU mitigation in the ATLAS ITK pixel detector system.

Findings

Successful proton irradiation tests demonstrating SEU mitigation.

Effective data aggregation from on-detector ASIC to DCS.

Enhanced system reliability for the ATLAS ITK upgrade.

Abstract

The upcoming ATLAS Phase II upgrade mandates replacing the tracking system with the all-silicon Inner Tracker (ITK), featuring a pixel detector as its core element. The monitoring data of the new system will be aggregated from an on-detector ASIC, Monitoring Of Pixel System (MOPS), and channeled to the Detector Control System (DCS) via a newly developed FPGA-based interface known as MOPS-Hub. The mitigation strategies for addressing potential Single-Event Upset (SEU) issues in the new system, along with the proton irradiation results, are presented.