STMicroelectronics STM32WBA52KEU6 Wireless MCU Cortex-M33 64-pin LQFP Package

STM32WBA52KEU6 Overview

The STM32WBA52KEU6 is a high-performance, low-power microcontroller combining ARM Cortex-M33 cores with integrated sub-GHz radio capabilities, designed for advanced wireless industrial applications. This device features a rich set of peripherals, extensive memory options, and robust security features, making it ideal for IoT, smart metering, and building automation systems. Its dual-core architecture supports real-time processing and wireless communication in a single chip, reducing system complexity and lowering BOM costs. For engineers and sourcing specialists seeking reliable, scalable solutions, the STM32WBA52KEU6 offers a versatile platform with proven performance from a trusted IC Manufacturer.

STM32WBA52KEU6 Technical Specifications

STM32WBA52KEU6 Key Features

• Dual ARM Cortex-M33 cores: Enables efficient processing with one core dedicated to wireless stack and the other for application tasks, improving real-time performance.
• Integrated sub-GHz radio: Delivers robust wireless connectivity for IoT and industrial automation without external RF components, reducing overall system size and cost.
• Advanced security mechanisms: Hardware cryptography accelerators and secure boot ensure data integrity and protect against unauthorized access.
• Low power consumption: Multiple power modes and optimized radio operation extend battery life in portable and remote applications.
• Comprehensive peripheral set: Supports multiple communication protocols and timers, allowing flexible interfacing and control for complex embedded designs.

Typical Applications

• IoT sensor nodes and gateway devices requiring integrated wireless communication and secure data processing in compact form factors.
• Smart metering solutions where reliable sub-GHz connectivity and low power consumption are critical for long-term deployment.
• Building automation systems leveraging real-time control and wireless networking for HVAC, lighting, and security management.
• Industrial wireless control and monitoring equipment benefiting from robust communication, encryption, and microcontroller performance.

STM32WBA52KEU6 Advantages vs Typical Alternatives

The STM32WBA52KEU6 stands out by integrating dual Cortex-M33 cores with a sub-GHz radio on a single silicon die, reducing external components and improving system reliability. Its hardware security features and low power modes provide a competitive edge for industrial and IoT applications demanding data protection and energy efficiency. Compared to typical microcontrollers with external radio modules, this device delivers better integration, smaller PCB footprint, and simplified development.

STM32WBA52KEU6 Brand Info

Manufactured by STMicroelectronics, a global leader in semiconductor solutions, this microcontroller belongs to the STM32 Wireless and Bluetooth family, known for combining high processing performance with integrated radio technologies. STMicroelectronics emphasizes scalable, secure, and energy-efficient products tailored for IoT and industrial markets. The STM32WBA series extends the STM32 ecosystem by adding certified sub-GHz wireless connectivity, enhancing versatility for embedded system designers.

FAQ

What wireless protocols does the STM32WBA52KEU6 support?

This device features an integrated sub-GHz radio transceiver operating in 868 MHz and 915 MHz bands, enabling protocols such as Wireless M-Bus, proprietary sub-GHz communication, and other custom low-power wireless standards used in industrial and IoT applications.

How does the dual-core architecture benefit system design?

The dual Cortex-M33 cores allow separation