The Drive Toward Zero Defects

June 6, 2022 in Semiconductor Story by Prasad Dhond
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Reducing defects becomes even more important as the number of chips in cars continues to accelerate

The automotive semiconductor market has doubled twice in the past 20 years. But the next doubling will be even faster. While short-term results may vary, it is certain that auto semis will be much larger 10-20 years from now.

鼎博体育 Drive Towards Zero Defects

Today, a gas-powered car has ~$400 of semiconductor content whereas the Tesla Model 3 with an electric powertrain and Advanced Driver Assist System (ADAS) has >4x the semiconductor content at ~$1700 per vehicle. However, only 10% of the 1B cars on the road have ADAS and only 1% of the 1B cars on the road have an electric powertrain. A huge growth opportunity lies ahead as existing cars get replaced by those with Electric Powertrains and ADAS.

鼎博体育 Drive Towards Zero Defects

With the rise of automotive semiconductors, there is an urgency to implement Zero Defect strategies throughout the supply chain. If every car has ~40 electronic systems and each system has ~250 semiconductor components, then even a 1 ppm (parts per million) defect rate at the component level can result in a 10,000 ppm (1%) defect rate in the car. This is too high, especially for safety-critical electronics. Defects used to be measured in parts per million (ppm) but are now measured in parts per billion (ppb).

鼎博体育 Drive Towards Zero Defects

Automotive semiconductor suppliers rely on automotive standards and tools to achieve high reliability and quality. The Automotive Electronics Council (AEC) is a group most known for the AEC-Q100 automotive qualification spec for semiconductor components. More recently, the AEC has released a framework for implementing a Zero Defects strategy. This comprehensive framework (AEC-Q004) was assembled by participants throughout the automotive supply chain — auto OEMs, Tier-1s, semiconductor manufacturers and their suppliers.

鼎博体育 Drive Towards Zero Defects

The AEC-Q004 can be a great tool for automotive semi-suppliers looking to implement or refine their Zero Defects strategy. Each automotive supplier strives toward Zero Defects to ensure the safety and reliability of the vehicle. This effort is becoming even more important as the number of chips in cars continues to accelerate.

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