This post is a work in progress. It will explore key standards for automotive-grade electronic components, focusing on AEC-Q100 and AEC-Q101 elements.
Automotive elements demand a high level of reliability, as the driving of a car may create some dangers and hazards for people. Wether they are electronic components or higher level assemblies. This is more important today, with the evolution of electric cars, all of them having more and more electronics assemblies.
Electronic devices located in a car are exposed to extreme harsh conditions, specially if they are located near the engine compartment, as happens with the ECU or ABS computer. These conditions may include intense heat, dust, moisture, chemicals and vibrations. Traditionally considered . Usually electronics are divided in three categories: Commercial, Industrial and Military/Aerospace.
Commercial electronics are the standard, while military electronics usually demand a wider temperature range and radiation hardening. Industrial electronics tipically demand extended temperature range, too, while not as demanding as aerospace devices.
An MLCC Chip Capacitor. An electronics board usually has hundreds of them
This is taken to the next level when talking about self-driving car as reliability has to be assured through all the chain. One failing component may pose a serious risk for life. Functinctional safety (FuSa) is a related term here; it’s not the same that the air conditioning is failing as the engine revs uncontrolled.
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