ST(US:STM) Globenewswire·2026-02-10 07:00Core Insights - STMicroelectronics has introduced the Stellar P3E, the first automotive microcontroller (MCU) with built-in AI acceleration for edge intelligence, aimed at future software-defined vehicles [2][3] - The Stellar P3E simplifies multi-function integration for X-in-1 Electronic Control Units (ECUs), reducing system cost, weight, and complexity [2][3] Technical Features - The Stellar P3E features an integrated ST Neural-ART Accelerator™, making it the first MCU with an embedded neural network accelerator for the automotive industry, enabling real-time AI efficiency [3][4] - It delivers inference processing at microsecond speeds, achieving up to 30 times greater efficiency compared to traditional MCU core processors, supporting always-on, low-power AI for real-time functions [4][5] - The MCU's integrated xMemory, based on phase-change memory (PCM), offers twice the density of traditional embedded flash memory, allowing dynamic expansion of software storage without hardware redesign [6] Applications and Benefits - The Stellar P3E enables advanced capabilities such as predictive maintenance and smart sensing with virtual sensor applications, facilitating low latency sensing and actuation control [5][8] - It supports a wide range of applications, enhancing charging speed and efficiency in electric vehicles and enabling rapid deployment of new features [4][5] Ecosystem and Support - The P3E is fully supported within the ST Edge AI Suite, which includes tools like NanoEdge AI Studio for data scientists and embedded engineers, streamlining the deployment of sophisticated edge AI solutions [7] - The Stellar P3E is integrated into Stellar Studio, ST's all-in-one development environment tailored for automotive engineers, reinforcing a robust hardware and software ecosystem [7] Production Timeline - The start of production for the Stellar P3E is planned for the fourth quarter of 2026 [9]