Feature: Industrial electronics
Touchscreens now feature extensively in our daily lives, not least within our mobile devices, but also in retail, healthcare and industrial settings. More niche applications call for specialised touchscreens…
the optimal approach when prototyping, as it provides the opportunity to understand what specifications are important to the solution. But to translate a prototype into a cost and performance optimised high-volume product, developers should integrate as much of the circuitry as possible into an ASIC. As ASICs are designed for the intended
application, optimised performance tailored to touchscreen functionality can occur in faster response times, better signal processing and improved power efficiency compared to using off-the- shelf ICs. Additionally, ASICs allow for features and functionalities specific to industrial touchscreen requirements, enabling manufacturers to differentiate their products and meet specific market demands.
Therefore, ASICs are particularly
necessary for touchscreen solutions in applications where performance, power efficiency and cost optimisation are critical factors. Such applications include industrial control panels, medical devices, automotive systems and certain consumer electronics.
ASICs development Development projects for touchscreen ASICs typically proceed through several stages, from the definition of the ASIC to the design-in. While this may seem like quite some work, Swindon’s full turnkey (FTK) service — encompassing every element of an ASIC’s supply and design — makes it a worthwhile investment. Naturally, this process starts with
a solutions requirement analysis to define the functional requirements and performance specifications based on the industrial target application.
The architecture design including the
integration of required components, communication interfaces and power management features as well as the circuit design, including transistor-level designs, signal processing blocks and power distribution networks comes next. After the layout design and the verification and testing stage, the ASIC can be integrated into the
touchscreen device's circuitry to ensure proper functionality and compatibility with other components. Swindon frequently designs and
supplies custom, high-throughput, multi- channel solutions into human-computer interface applications, optimising the overall bill of materials and achieving form factors that are otherwise impossible. Modern high pin-count packages accommodate many channels in a single part, with excellent matching in properties. Because the cost of replicating identical channels is relatively low, the ASIC approach can be extremely effective in these applications.
www.electronicsworld.co.uk September 2024 11
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