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Automotive RA Service

Scope of Verification for Automotive Electronic Components

Automotive electronic components mainly follow the verification standards established by the Automotive Electronics Council (AEC). There are six standards, including the AEC-Q100 (Integrated Circuits), the AEC-Q101 (Discrete Semiconductors), the AEC-Q102 (Optoelectronic Semiconductors), the AEC-Q103 (MEMS Devices), the AEC-Q104 (Multichip Module) and the AEC-Q200 (Passive Components).

 

The AEC was founded in America by Chrysler, Ford, and General Motors (GM) in 1994. Now members include major auto makers all around the world as well as automotive electronics and semiconductor manufacturers. At first glance, the specifications for automotive electronics seem stricter than those for other components. However, in truth, these verifications still use common international standards such as the JEDEC and the MIL-STD as their main reference with some additional specifications such as IC Electromagnetic Compatibility (IC EMC), integrated circuit board reliability, etc..

 

 

The Verification Process for Automotive Electronic Components

The vehicle verification process includes Die Design, Wafer Manufacturing, component packaging, electrical testing and reliability testing, etc.. Each stage has its own rigorous verification specifications. The table below shows the active component AEC-Q100 verification process.

 


AEC-Q100

 

 

Although the AEC targets three major categories: active components, discrete semiconductor components and passive components, automotive components also include terminal connectors, printed circuit boards, wires, and mechanical parts, etc.. The verification processes for such parts are usually defined by the user companies for their suppliers to follow.

 

These automotive components are mainly concentrated in the engine and seating areas. The basic temperature tolerance requirements for various components are different, so the recommended specifications for temperature tests also differ. Among these parts, LED components are unique because they have a relatively narrow temperature tolerance range.

  

In addition to the traditional product life test for automotive electronics, product structure and packaging quality are included in the test scope. For example, to take into consideration the risks of the Cavity Package structure, one might incorporate vibration and drop tests. Automotive electronics emphasize the concept of Family. When dealing with commonality component groups, the number of tests or test content can be simplified. In addition, it should be noted that the AEC only provides test suggestions. It does not handle review or approval, and all test results are self-declared. However, confirming specifications with customers or users first is recommended.

 

Automotive electronic components are not easily adopted and have a long certification lead time. Although Taiwan is an important hub for IC design, the proportion of electronic parts to automobiles in the world is still low. MA-tek’s Reliability Laboratory recruits industry experts to provide professional, integrated services for vehicle parts verifications as well as related education and training. We expect to help our customers complete the verification process quickly and correctly.

 

 

 


MA-tek reliability automotives services

 

 

 

 

Contact

Taiwan Lab

Mr. Chang

: +886-3-6116678 ext:4209

: +886-979-713-023

: graverchang@ma-tek.com

Shanghai Lab

Mr. Chu

: +86-21-5079-3616 ext:7098

: 135-8590-9286

: elevenzhu@ma-tek.com