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HomeSelf-DrivingGM Brings Qualcomm's new Snapdragon SoC to Ultra Cruise

GM Brings Qualcomm’s new Snapdragon SoC to Ultra Cruise

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GM announced this week that its next-generation hands-free driver assist system, Ultra Cruise, will be powered by a scalable compute architecture featuring system-on-chips developed by American semiconductor company Qualcomm Technologies, Inc. GM will be the first company to use the Qualcomm Technologies’ Snapdragon Ride™ Platform for advanced driver assistance technology, which features an industry leading 5-nanometer  Snapdragon™ SA8540P SoC and SA9000P artificial intelligence accelerator.

Ultra Cruise’s compute, which is about the size of two laptops stacked together, will be available in 2023 on vehicles including the ultra-luxury, fully-electric Cadillac CELESTIQ. With high performance sensor interfaces and memory bandwidth, it will, in combination with GM’s homegrown Ultra Cruise software stack, be key to helping Ultra Cruise achieve a combination of capability, reliability, predictability and robust door-to-door hands-free driving in 95 percent of all driving scenarios.

“Despite its relatively small size, Ultra Cruise’s compute will have the processing capability of several hundred personal computers,” said Ken Morris, GM vice president of Electric, Autonomous and Fuel Cell Vehicle Programs.

The Ultra Cruise compute will help power GM-developed ADAS software and features, including perception, planning, localization and mapping. These Ultra Cruise capabilities were developed in-house at GM engineering facilities in Israel, the United States, Ireland and Canada. To ensure a robust and predictable system with minimal latency, GM integrated Ultra Cruise’s software on an optimal hardware design, overlaying cameras, radar and lidar. This low-level, sensor fusion, provides advanced detection and classification of data, and Ultra Cruise’s software stack are proprietary to GM, not available on the automotive aftermarket.

Along with Snapdragon Ride SoCs, which are designed to meet automotive system safety standards with multiple redundancies built in, the compute includes an Infineon Aurix TC397 processor for system safety integrity. The Aurix TC397 is categorized ASIL-D – the highest Automotive Safety Integrity Level.

GM minimized complexity within the compute, opting for an air-cooled instead of liquid-cooled system that avoids heavy and inefficient thermal cooling lines throughout the vehicle, made possible by Snapdragon Ride’s high-performance, high-efficiency design.

Ultra Cruise’s compute will also have the capability to evolve over time by leveraging Snapdragon Ride’s SoCs performance and high-speed interfaces for future expansion, as well as over-the-air software updates enabled through the Ultifi software platform and GM’s Vehicle Intelligence Platform electrical architecture.

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