Renesas Electronics Corporation, a provider of advanced semiconductor solutions, has unveiled an innovative automotive power management IC (PMIC) for next-generation automotive camera applications.
The RAA271082 is a versatile ISO-26262 compliant multi-rail power IC with a primary high-voltage synchronous buck regulator, two secondary low-voltage synchronous buck regulators, and a low-voltage LDO regulator. Provides four overvoltage and undervoltage (OV/UV) monitors, I 2 C communications, a configurable general purpose I/O pin, and a dedicated fault indicator/reset output.
To meet stringent ASIL B metrics, the RAA271082 includes a second independent reference for OV/UV monitors, built-in power-on self-test, independent OV/UV monitoring, and continuous checking for CRC errors in internal registers and I 2 C Communications.
The highly integrated RAA271082 provides a universal power solution for automotive cameras. It is an ideal companion to Renesas' Automotive High-Definition Link (AHL) technology, which allows car manufacturers to deliver high-definition video using low-cost cables and connectors.
The new PMIC simplifies power supply design for automotive camera applications requiring functional safety compliance, modules including surround/satellite vision, rear view, driver monitor and electronic mirror. The RAA271082 further supports the power requirements of almost any combination of image sensor, image signal processor (ISP), and encoder technology, while supporting direct battery power as well as coaxial power.
In addition to imaging systems, the RAA271082's high integration and comprehensive security features make it an excellent solution for 16-bit and 32-bit automotive MCUs in a variety of applications.
“Cameras are now an indispensable feature for all new vehicles,” said Niall Lyne, vice president of Renesas' automotive analog power and video business division. “Our new PMIC offers all the functionality our customers need in a compact form factor suitable for almost all automotive camera modules. It is an excellent companion to our AHL solution, recently considered one of the most innovative applications of computer vision technology.”
PMIC RAA271082 Features
- Developed in an ISO-26262 compliant process, to support system security goals that achieve ASIL B
- High degree of programmability supports a wide range of automotive image sensors from all major suppliers
- Provides 1A output current capability per switching regulator to support the increasing power demands of the latest generation of high-resolution automotive image sensors
- Supports general purpose automotive MCUs with built-in reset generation, watchdog timer and programmable GPIO
- Integrates multiple components and functions to reduce overall energy consumption
