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EMC, ESD design guidelines for LCD drivers

Posted: 11 Jul 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Electromagnetic Compatibility? Electrostatic Discharge? EM? ESD?

Electromagnetic Compatibility (EMC) and Electrostatic Discharge (ESD) immunity must be considered in the early design phase of a system. This is also true for the application of liquid crystal displays and the accompanying drivers. If ignored, problems encountered later during testing or in the field will become very difficult and expensive to fix, whereas in the early development stage, measures to improve EM and ESD immunity can be implemented at low cost or often even for free. Therefore, an hour or two spent on an early EMC review may well pay off later on in the project. Correct component placement, partitioning of different functions, and having preparations in the layout and mechanics to add a shielding bezel to just name some examples, can save a lot of engineering time and money later on in the project. Ideally this application note would be read before starting a design. Chances are however that you are reading this now, because you have encountered problems in passing EMC-compliance or ESD tests.

This document deals with both EMC and ESD. Sometimes it is not easy to draw a clear line between them. First a clear definition of what is meant by electromagnetic compatibility must be given.

View the PDF document for more information.

Originally published by NXP Semiconductors at as "EMC and system level ESD design guidelines for LCD drivers".

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