Maxim Integrated Offers the MAX20087 ASIL-Grade Automotive Camera Protector IC for Safety-Critical Applications

March 19, 2020 Tiera Oliver

Designers can now achieve ASIL compliance for automotive camera modules with the MAX20087 dual/quad camera protector IC from Maxim Integrated Products, Inc. According to the company, this is the industry’s only ASIL B- to ASIL D-compliant camera protector IC with integrated I2C-based diagnostics, making it ideal in supporting multiple automotive cameras in advanced driver assistance systems (ADAS). A single MAX20087 supports four cameras simultaneously, while four of the devices in parallel on the same bus supports 16 cameras, protecting each output individually from short-to-battery, short-to-ground and overcurrent conditions.

The MAX20087 dual/quad device is an integrated camera power protector IC that can be plugged into a fusion electronic control unit (ECU). It enables fault mitigation circuitry by requiring minimal external components. In addition to a built-in self-test (BIST), an integrated 8-bit analog-to-digital converter (ADC) monitors current, voltage, and supply readings as required for ASIL compliance. With this IC, designers can isolate faults on cameras powered from a single power supply, while providing diagnostic fault information via I2C. As a dual/quad channel device, it  provides up to 600mA protection switches in a 4mm x 4mm, 20-pin side wettable TQFN package.

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About the Author

Tiera Oliver, edtorial intern for Embedded Computing Design, is responsible for web content edits as well as newsletter updates. She also assists in news content as far as constructing and editing stories. Before interning for ECD, Tiera had recently graduated from Northern Arizona University where she received her B.A. in journalism and political science and worked as a news reporter for the university's student led newspaper, The Lumberjack.

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