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STMicroelectronics STM32WBA2x Microcontrollers
Cost-optimized wireless MCUs enabling secure, low-power multi-protocol connectivity for next-generation IoT designs
The STM32WBA2x series from STMicroelectronics delivers an affordable, highly integrated wireless MCU solution supporting the latest short-range communication protocols. Designed for cost- and energy-sensitive applications, it combines strong RF performance, built-in security, and a compact footprint.
Powered by a 64 MHz Arm Cortex-M33 with TrustZone, the STM32WBA2x integrates ample memory and advanced connectivity features while maintaining low power consumption. Its flexible design and pin-to-pin compatibility with STM32WBA5 series devices allow seamless cost optimization and scalability across product generations.
Key Features & Benefits
- Efficient and Reliable Wireless Performance
- Multi-protocol support including Bluetooth LE, Zigbee, and Thread
- Strong RF link with up to +10 dBm output power
- High receiver sensitivity for stable communication
- Adjustable transmit power for optimized energy usage
- Ultra-low-power architecture extends battery life
- Cost-Optimized and Flexible Design
- One of the most affordable STM32 wireless MCU options
- Rich feature set at an optimized price point
- Supports simplified 2-layer PCB designs
- Pin-to-pin compatibility with STM32WBA5 series for easy upgrades
- Accelerated Development
- Backed by the STM32Cube ecosystem
- Extensive tools, software, and documentation
- Proven technical support and design resources
- RF reference designs for faster implementation
- External PA support for higher output power when needed
- Advanced Security and Compliance
- SESIP3-level security for IP protection and data privacy
- Supports secure firmware updates
- Compliant with global standards including RED, CRA, and US regulations
Applications
- Smart Industry
- Industrial automation and wireless monitoring
- Asset tracking and predictive maintenance
- Smart Home
- Connected devices and home automation systems
- Secure, low-power wireless control
- Medical and Healthcare
- Wearable devices and remote patient monitoring
- Reliable, low-energy connectivity for sensitive applications
- Consumer Electronics
- Smart devices with wireless connectivity
- Portable and battery-powered applications
STM32WBA2x Portfolio & Block Diagram
Discover STM32WBA Portfolio↗
Hardware
Speed up wireless development with the STM32 Nucleo-64 board featuring Arduino/Morpho headers, 27 GPIOs, and an RF-certified QFP48 design.
Download databrief ↗Accelerate testing with the Nucleo expansion board supporting Arduino UNO R3, oscillators, and an RF-certified layout for Bluetooth LE and IEEE 802.15.4 evaluation.
Download databrief ↗
