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Featured by Bart De Cock AMI Semiconductor have been supplying mixed signal integrated circuits for automotive lighting systems for over a decade. High-volume products include lamp-failure detection, contact-less sensor interfaces, HID (High Intensity discharge) ballast drivers and stepper motor drivers. Modern automotive headlamp systems will rely heavily on the use of sensors and actuators in the near future. These remote sensors and actuators are connected to an electronic control unit via a bus network. Various types of bus networks are feasible, this paper will concentrate on the cost and performance advantages when using the LIN (Local Interconnect Network) bus network in a headlamp application. Various solutions will be presented providing an insight into the different LIN bus architectures available.
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