STMicroelectronics Introduces Stellar P3E, an Automotive Microcontroller with AI Accelerator
STMicroelectronics announces the launch of the Stellar P3E, touted as the first automotive microcontroller to integrate an AI accelerator for embedded intelligence. The component aims to simplify multifunctional integration in software-defined vehicles.
High Performance and Embedded AI in a Single Device
The Stellar P3E combines high-performance real-time control and embedded artificial intelligence in a single device. It incorporates ST's Neural-ART Accelerator, a dedicated Neural Processing Unit (NPU) designed for real-time AI efficiency. According to STMicroelectronics, the component delivers inference processing speeds on the order of microseconds, with up to 30 times more efficiency than traditional processor cores. The microcontroller also features ST's proprietary integrated memory, xMemory, based on phase-change memory (PCM) technology, offering twice the density of traditional embedded flash memory. These capabilities are intended to support applications such as predictive maintenance, intelligent sensing via virtual sensors, and optimization of electric vehicle charging.
Supported by the Edge AI Suite from ST
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The Stellar P3E is supported by ST's Edge AI Suite, an embedded AI ecosystem covering everything from dataset creation to application deployment. The microcontroller benefits from integration into Stellar Studio, the development environment designed for automotive engineers, as well as support from the NanoEdge AI Studio tool now available for the Stellar family. Production start is scheduled for the fourth quarter of 2026.
« Le chiffre d'affaires du quatrième trimestre a dépassé le milieu de notre prévision et la marge brute a été soutenue par un meilleur mix produit. »
STMicroelectronics a publié ses résultats pour le quatrième trimestre et l'année 2025. Le chiffre d'affaires annuel s'établit à 11,8 milliards de dollars avec une marge brute de 33,9% et un résultat opérationnel de 175 millions de dollars. Le bénéfice net attribuable aux actionnaires pour l'année est de 166 millions de dollars, et le flux de trésorerie disponible (non-U.S. GAAP) pour l'année est de 265 millions de dollars. Pour 2026, le point médian du trimestre est un chiffre d'affaires attendu de 3,04 milliards de dollars et une marge brute d'environ 33,7%.
Risks mentioned
changements dans les politiques commerciales mondiales, y compris les tarifs et barrières commerciaux, susceptibles d'affecter la demande
incertitudes macroéconomiques et inflation, influençant la production et la demande finale
écarts entre la demande client et les projections nécessitant des mesures de transformation
capacité à concevoir, fabriquer et vendre des produits innovants dans un environnement technologique rapide
Outlook / guidance
Expected revenue: Le chiffre d'affaires du premier trimestre 2026 est attendu autour de 3,04 milliards de dollars, en baisse séquentielle d'environ 8,7% et avec une marge brute d'environ 33,7% (plus ou moins 350 pb pour le chiffre d'affaires et plus ou moins 200 pb pour la marge brute).
Management commentary: La direction souligne que les perspectives dépendent des conditions macroéconomiques, des taux de change et du mix produit.
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