ELMOS Semiconductor and Audi are extending their partnership for LED rear light control and have unveiled sample availability of the new IC E522.95.

The multichannel LED controller for exterior lighting with network interface capabilities allows direct control of LED lamps.

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Equipped with a 2Mbps CAN FD protocol and a CAN FD physical interface, the E522.95 can be connected directly to the Body Control Unit (BCM) via the car in-vehicle network, with Elmos maintaining local lighting control units are no longer needed.

“Enabling direct control between the BCM and LED lamps marks an important step towards realising centralised car lighting and domain driven architectures considered essential for styling, customisation, dynamic animation and autonomous drive by removing the need of localised lighting control units and thereby resulting into significant system cost savings and above all full application flexibility,” said Audi Electrics/Electronics EVP, Klaus Büttner.

Developed according to the ISO26262 Functional Safety development process, the E522.95 offers a suite of diagnosis features to ensure system operation of LED drivers and enable achieving ASIL-B ratings at system level.

The 16 channel E522.95 LED controller has a maximum output current of 100mA per channel and supports Elmos’ patented power management methodology ensuring a constant light intensity of the LEDs even under difficult thermal conditions. The E522.95 is offered in a QFN40 package with an exposed die pad.

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“The introduction of the E522.95 marks a significant step in our collaboration with Audi in bringing system solutions based on our expertise in in-vehicle network interfaces,” added Elmos Semiconductor CEO, Anton Mindl.

“We are pleased to see our joint efforts result in solutions allowing new features for the end users while at the same time cost savings at the OEM.”

Product features of the E522.95 will also be shown at CES 2020.