How a well thought out PCBA design can give you financial benefits during electronics assembly and production and also be good for your reputation

Nobody wants to market an electronic product that does not meet the end user's requirements, as this will cause irritation, extra costs and, in the worst case, reputational damage. So, to be sure that what you have produced actually functions as intended, you will need to check, verify and test it properly before it is sent to the end user. To set this up cost-efficiently, an electrical test of the PCBA (Printed Circuit Board Assembly) is necessary at the end of the assembly. An additional functional test of the complete end product may also be desirable afterwards. This testing is done, for example, using a functional PCBA test system.

Now you can develop and build a “dedicated” test system for each product, DUT (Device Under Test), but you can also think of a universal and modular test system that is able to test all your products, now and in the future. The choice of this often depends on the type of product, where and how it is used and deployed, how many are you going to make and sell, are there certain safety requirements that your product must meet, etc. etc. In the presentation, the speaker will discuss the various possibilities, the operation and the structure of a good and reliable test system.

Test tooling:
For a good test you first need access to the DUT in order to be able to measure everything properly and reliably. The design of the PCBA is very important here. It is impossible to test a DUT properly if you cannot reach it with your measuring equipment or programmer. That is why the speaker also discusses the importance of DFT (Design For Test) and what the important aspects are to take into account in your design and above all, why.
All aspects that are important when making choices and the possible pitfalls that you may encounter during the development of such a test system and the associated test tooling are discussed in this presentation.

Speaker: Peter van Oostrom, DFT – MG-Products

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