Internships in electronic

il y a 6 jours

Les ClayessousBois, Île-de-France Atos Temps plein

About Eviden

Eviden is the Atos Group brand for hardware and software products with c. € 1 billion in revenue, operating in 36 countries and comprising four business units: advanced computing, cybersecurity products, mission-critical systems and vision AI. As a next-generation technology leader, Eviden offers a unique combination of hardware and software technologies for businesses, public sector and defense organizations and research institutions, helping them to create value out of their data. Bringing together more than 4,500 world-class talents and holding more than 2,100 patents, Eviden provides a strong portfolio of innovative and eco-efficient solutions in AI, computing, security, data and applications.

Title: "The goal is to design a hardware solution that allows: Detecting and monitoring voltage spikes on the 54 V input power supply of computing blades. 

Your missions:

Defining a configurable trigger threshold (hardware or software). Integrating an alarm system that reports when an event has occurred (GPIO, I²C, UART, CAN, or others). Timestamping detected spikes, ideally with microsecond precision or better. Enabling a protection circuit to be activated if excessively high voltage peaks are detected. Evaluating the minimal impact on the 54 V line (very low load, very low loss). Proposing a testable prototype on our HPC platform. Work Required Needs and Constraints Analysis Architecture Choice Cost analysis, ease of integration, precision, responsiveness. HW Module Design Schematic entry Component selection (sense resistors, isolators, ADCs, comparators, microcontroller/FPGA, etc.). PCB design (optional, depending on internship duration). Alarm System Implementation Interface definition (GPIO, I²C, UART, etc.). Event register implementation. Possibility of a circular buffer to retain multiple events. Firmware Development Threshold management. Timestamping (RTC or external synchronization). Communication to the blade or to a supervision system. Testing and Validation Stress tests on a 54 V power supply bench. Event capture and comparison with an oscilloscope (reference). Reliability and repeatability analysis. Documentation Design dossier. Integration guide for HPC teams. Final report detailing the chosen solution and any potential limitations. 

Required Skills:

Knowledge in analog and digital electronics. 

Understanding of power converters.

Use of tools: oscilloscope, analyzers, Cadence CAD environment. Knowledge of microcontrollers, FPGA, I²C/SPI/UART protocols.

Rigorousness and autonomy. Interest in motherboards and complex design

Let's grow together.

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