Switches
Nexperia’s analog switches make the grade for protecting complex automotive systems
By Matthew Sauceda, senior principal application engineer, Nexperia T
he automotive and industrial sectors are undergoing a transformation driven by the increased integration of sensor technology. Modern automobiles now include advanced driver assistance systems (ADAS) encompassing video, radar, and LiDAR sensor technologies. These advanced systems play a critical role in enabling safety functions like collision avoidance, adaptive cruise control, parking assistance and the ongoing transition towards fully autonomous driving. However, complex systems like these require sophisticated internal diagnostics and monitoring subsystems to ensure that they can continuously and reliably perform such vital tasks. At the same time, advanced internet-connected smart sensors are key enablers for Industry 4.0. Here again, sophisticated internal diagnostics and monitoring sub-systems are essential to guarantee safe, robust and efficient sensor performance. The ever-increasing number of sensors in ADAS and industrial
sensor inputs, signal nets, or several voltage cores. Multiplexing sensor inputs enable a modularity, reusability, and scalability-based design approach. This article discusses
how designers can benefit from using the protection features included in Nexperia’s recently introduced family of NMUX130x analog switches and multiplexers.
Figure 1 CMOS transmission gate
IoT applications means analog switches and multiplexers are essential in order to simplify signal management and reduce system complexity. These relatively simple components can deliver significant benefits including lower component count, less cabling and smaller PCB areas. Analog multiplexers deliver significant benefits in elaborate designs featuring multiple
Figure 2 Internal circuitry in a legacy analog switch
Table 1 Application benefits of analog switches and multiplexers
26 October 2024
Components in Electronics
www.cieonline.co.uk
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