Automotive PMIC protects vehicle cameras

A highly integrated PMIC for next-generation automotive cameras, the Renesas RAA271082 is an ISO 26262-compliant multi-rail IC that meets stringent ASIL B metrics. The part employs a primary high-voltage synchronous buck regulator, two secondary low-voltage synchronous buck regulators, and a low-voltage LDO regulator.

In addition, the RAA271082 packs four overvoltage and undervoltage (OV/UV) monitors, a configurable GPIO pin, and a dedicated reset output/fault indicator. To comply with ASIL B requirements, the RAA271082 includes a second independent reference for OV/UV monitoring, built-in self-test at power-up, independent OV/UV monitoring, and continuous CRC error checking on internal registers and I2C communications.

A high degree of programmability and 1 A of output current per switching regulator enables the RAA271082 to support a wide variety of automotive image sensors, as well as 16-bit and 32-bit automotive MCUs in various of applications.

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The RAA271082 is AEC-Q100 qualified to Grade 1 and comes in a 4×4-mm, 24-lead step-cut QFN package with an exposed pad for improved thermal performance. The PMIC is available today, along with the RTKA271082DE0000BU evaluation board.

RAA271082 product page

Renesas Electronics

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