STM32WBA55CGU7TR

RF Transceiver ICS Overview

The STM32WBA55CGU7TR is an ultra-low power wireless System on Chip (SoC) from STMicroelectronics, designed for multiprotocol connectivity. It features a high-performance Arm Cortex-M33 core operating at up to 100 MHz with single-precision Floating Point Unit (FPU). The device integrates a powerful 2.4 GHz radio compliant with Bluetooth Low Energy 5.4 and IEEE 802.15.4 standards. Memory resources include 1 Mbyte of Flash and 128 Kbytes of SRAM. It supports Zigbee, Thread, and Matter protocols, offering +10 dBm transmit output power. The component is housed in a 48-pin UFQFPN package.

RF Transceiver ICS Feature Summary

• Integrates a high-performance Arm Cortex-M33 processor with Trust Zone security architecture
• Supports multiprotocol wireless communication including Bluetooth LE 5.4, IEEE 802.15.4, Zigbee, Thread, and Matter
• Features ultra-low power consumption optimized for battery-operated applications
• Includes hardware cryptographic accelerators and secure boot capabilities

RF Transceiver ICS Applications

• Smart home devices requiring Matter or Zigbee connectivity
• Bluetooth LE audio streaming applications supporting Auracast
• Industrial sensor nodes utilizing Thread or 802.15.4 protocols
• Secure IoT gateways and edge computing nodes

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix to ensure the correct package type and tape-and-reel quantity match your assembly requirements. Confirm that the device grade meets your environmental operating temperature specifications. Check for any recent Product Change Notifications (PCN) regarding manufacturing site or material changes. Ensure compatibility with your existing RF antenna design and matching network components.

RF Transceiver ICS Selection Notes

Select this component when multiprotocol support and advanced security are required alongside high processing performance. The Cortex-M33 core offers superior computational efficiency compared to previous generation dual-core architectures. Consider the integrated radio performance and regulatory compliance features for global deployment. Evaluate the memory size against application firmware requirements before finalizing the selection.

RF Transceiver ICS Part Context

This part belongs to the STM32WBA5xxx series, representing STMicroelectronics' latest generation of wireless microcontrollers. It succeeds earlier wireless SoCs by providing enhanced security features and higher processing speeds. The series is designed to meet stringent cybersecurity regulations such as SESIP Level 3 certification. It targets applications demanding robust wireless connectivity and data protection.

RF Transceiver ICS Replacement Considerations

Direct pin-to-pin replacements within the same family may include other STM32WBA55 variants with different memory sizes or package options. Cross-generation upgrades from the STM32WB series require software adaptation due to architectural differences. Verify peripheral compatibility and register mapping before substituting with alternative models.