A Component Manufacturers Feedback – Safety Interlock Compliance Learnings

Rob Reis and Derek DeWitt

Precision Sensors was searching to find a semiconductor industry wide safety guidelines to improve the performance of our products.  SESHA help guide us to understand performance is just as important as other approvals like UL.  Many customers have to test and prove the devices they use which takes time.  Designers are always making new processes and not having to test and prove would speed up their development time.  This Presentation is to show how we learned through SESHA that proving the designs and certifying to ISO 13849 by third parties saves on extra redundancy costs and real estate for users.  This is our journey of this process.


Precision Sensors presents our journey of integrating a systematic approach to functional safety validation processes in the face of increasing regulatory requirements within the semiconductor industry. We realized these guidelines vary from customer to customer and differ in all regions of the world. As a component manufacturer we realized our customers face design challenges in selecting certified components. Prior attendance and exposure to SESHA presentations have evolved our safety validation processes from classic product safety to functional safety in accordance with ISO13849. Two different case studies are presented to show how different paths can be applied to achieve component certification to functional safety requirements.


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