STMicroelectronics has unveiled its latest STM32C5 series microcontrollers, setting a new benchmark for entry-level performance in smart devices across factories, homes, and cities.
STMicroelectronics’ new generation of entry-level MCUs designed to power billions of compact smart devices from smart thermostats and electronic door locks to industrial sensors, robotic actuators, wearables, and computer peripherals—all while tackling tight constraints on cost, size, and power.
Leveraging ST’s proprietary 40nm manufacturing process, the STM32C5 delivers noticeably faster task execution than many current entry-level chips. This opens up space for modern features like better sensing, smoother control, and richer user experiences, all with low dynamic power draw.
Security is baked in too, with built-in protections against tampering and cyber threats crucial as connected devices proliferate in consumer and industrial settings. STM32C5 MCUs
Developers get a revamped STM32Cube ecosystem, featuring size-optimized drivers, enhanced code generation tools, and production-ready software examples. It’s continuously updated to help teams code faster, maximize hardware potential, and speed up time-to-market.
STM32C5 MCUs are in production now, with packages from 3mm x 3mm UFQFPN20 to 20mm x 20mm LQFP144. STM32 Nucleo boards and a Riverdi display extension with TouchGFX for GUIs are available to kickstart development.
Pricing starts at $0.64 for 10,000-unit orders.
Leadership Comments
Real-world validation comes from partners like SIT Group and Circontrol. “For our new Burner Integrated Control platform in safety-critical gas and HVAC applications, the STM32C5 was a natural fit,” said Dennis Agnello, Electronics Business Line Director at SIT Group (Heating & Ventilation). “It delivers predictable real-time performance for combustion management, flame detection, and safety interlocks in a tiny footprint. We reused much of our validated firmware, accelerating development and certification for a scalable, reliable solution.”
“The STM32C5 elevates the precision, speed, and reliability of competitively priced MCUs to unlock opportunities in these markets,” said Patrick Aidoune, Group Vice President and General Manager of ST’s General Purpose and Automotive Microcontrollers Division. “Building on two decades of STM32 heritage, it’s part of our push to offer the broadest, most scalable, and secure MCU portfolio—from entry-level chips to advanced systems that expand what’s possible in embedded applications.”
Enrique Osorio, R&D Director at Circontrol (Grupo Circutor), added: “The STM32C5 gave us the performance and features for a cost-effective next-gen AC charger that meets the latest security, encryption, and metering standards for EV charging. ST’s flexible ecosystem slashed development time and helped us solve key challenges to launch faster.”
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