STM32WB55VEQ6 - 2.4GHz Dual-Core Wireless MCU | STMicroelectronics
MPN: STM32WB55VEQ6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.56 | $9.56 |
| 10 | $8.6 | $86.00 |
| 100 | $7.65 | $765.00 |
| 500 | $6.89 | $3,445.00 |
| 1,000 | $6.21 | $6,210.00 |
Drop-in alternatives for STM32WB55VEQ6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32WB55VEG6
β Drop-Inπ Reference alternative (not in catalog)
STM32WB55VEE6
β Drop-Inπ Reference alternative (not in catalog)
STM32WB55VGE6
β Drop-Inπ Reference alternative (not in catalog)
STM32WB55VCD6
β Drop-Inπ Reference alternative (not in catalog)
STM32WB55VEQ6 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M4 (64 MHz) + Arm Cortex-M0+ (32 MHz) |
| Flash Memory | 1 Mbyte |
| SRAM | 256 Kbytes |
| Supply Voltage | 1.71 V to 3.6 V |
| Radio Frequency | 2.405 GHz to 2.48 GHz |
| Bluetooth Version | BLE 5.0 (SIG spec 5.4) |
| IEEE 802.15.4 | Zigbee 3.0, OpenThread |
| BLE Data Rate | 2 Mbps |
| BLE Sensitivity | -96 dBm |
| Package | 129-ball UFBGA (VQFN-129) |
| Operating Temperature | -40C to +85C |
| Standby Current | 1.62 uA |
| ADC Resolution | 12-bit |
| Interfaces | SPI, I2C, USART, USB 2.0 FS |
| Security | AES, RSA, ECC, TRNG |
| RoHS | Compliant |
STM32WB55VEQ6 Pin Configuration
| Pin A1 | VDD β Power supply |
| Pin A2 | VSS β Ground |
| Pin B1 | PA0 β GPIO/ADC |
| Pin B2 | PA1 β GPIO/ADC |
| Pin C1 | PA2 β GPIO/USART |
| Pin C2 | PA3 β GPIO/USART |
| Pin D1 | PA4 β GPIO/SPI |
| Pin D2 | PA5 β GPIO/SPI |
| Pin E1 | PA6 β GPIO/SPI |
| Pin E2 | PA7 β GPIO/SPI |
| Pin F1 | PB0 β GPIO/ADC |
| Pin F2 | PB1 β GPIO/ADC |
| Pin G1 | PB2 β GPIO |
| Pin G2 | PB3 β GPIO/SPI |
| Pin H1 | PB4 β GPIO/SPI |
| Pin H2 | PB5 β GPIO/I2C |
| Pin J1 | PB6 β GPIO/I2C |
| Pin J2 | PB7 β GPIO/I2C |
| Pin K1 | PB8 β GPIO |
| Pin K2 | PB9 β GPIO |
| Pin L1 | VDD β Power supply |
| Pin L2 | VSS β Ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32WB55VEQ6 is suitable for 6 applications: Smart Home Devices, Industrial Wireless Sensor Networks, Healthcare Wearables, Asset Tracking, Smart Lighting, IoT Gateways.
Smart Home Devices
The STM32WB55VEQ6 is ideal for smart home devices such as smart locks, sensors, and lighting controls. Its dual-core architecture allows the Cortex-M0+ to handle Zigbee or Thread protocol stacks while the Cortex-M4 runs application logic, ensuring reliable mesh networking. The device's low-power modes (1.62 uA standby) extend battery life in battery-powered sensors. With BLE 5.0 support, it can also communicate directly with smartphones for setup and control. The integrated security features (AES, RSA, ECC) protect communication and device authentication, which is critical for smart home security. The 1 Mbyte flash provides ample space for over-the-air firmware updates and complex application code.
Recommended
Industrial Wireless Sensor Networks
In industrial settings, the STM32WB55VEQ6 enables robust wireless sensor networks using Zigbee or OpenThread. The radio's -96 dBm sensitivity ensures reliable communication in noisy environments. The device's wide supply voltage (1.71V to 3.6V) allows direct connection to industrial power rails or battery backup. The dual-core design ensures deterministic real-time response for sensor data acquisition and transmission. The 12-bit ADC and operational amplifiers enable direct connection to analog sensors without external components. The hardware cryptographic accelerator secures data transmission, meeting industrial security requirements. The device's operating temperature range of -40C to +85C suits harsh industrial environments.
Recommended
Healthcare Wearables
The STM32WB55VEQ6 is well-suited for healthcare wearables like fitness trackers and medical monitors. Its ultra-low-power standby current (1.62 uA) and efficient BLE 5.0 radio extend battery life between charges. The dual-core architecture allows the M0+ to handle BLE communication while the M4 processes sensor data, enabling continuous health monitoring without performance degradation. The device's 12-bit ADC and operational amplifiers interface directly with biosensors such as heart rate monitors and ECG front-ends. The integrated security features protect patient data, complying with healthcare regulations. The compact 129-ball UFBGA package fits small form-factor wearables.
Recommended
Asset Tracking
For asset tracking, the STM32WB55VEQ6 provides a reliable wireless solution with BLE 5.0 and Zigbee support. The device's low-power modes enable long battery life for tags that transmit location data periodically. The -96 dBm sensitivity ensures reliable communication even in challenging environments like warehouses. The dual-core design allows the M0+ to handle radio protocols while the M4 processes GPS or sensor data. The 1 Mbyte flash stores tracking algorithms and buffered data. The device's security features prevent unauthorized access to tracking data. The wide supply voltage range supports various battery chemistries.
Recommended
Smart Lighting
The STM32WB55VEQ6 enables smart lighting systems with Zigbee or Thread mesh networking. The dual-core architecture allows the M0+ to handle mesh protocol stacks while the M4 controls lighting effects and communicates with users via BLE. The device's PWM timers and 12-bit ADC enable precise LED dimming and color control. The low-power modes reduce energy consumption in standby, which is important for always-on lighting nodes. The 1 Mbyte flash stores complex lighting scenes and firmware updates. The device's security features protect the lighting network from unauthorized access.
Recommended
IoT Gateways
The STM32WB55VEQ6 can serve as a low-power IoT gateway, bridging BLE devices to Zigbee or Thread networks. Its dual-core design allows simultaneous handling of multiple protocols, enabling seamless protocol conversion. The device's 1 Mbyte flash and 256 Kbytes SRAM support complex gateway firmware. The USB 2.0 FS interface allows connection to a host processor or power management unit. The security features ensure secure communication between devices and the cloud. The device's low-power modes are beneficial for battery-powered gateways in remote locations.
Recommended
Recommended Products Summary
Engineering reference data for STM32WB55VEQ6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32WB55VEG6 | STM32WB55VEE6 | STM32WB55VGE6 | STM32WB55VCD6 | nRF52840 |
|---|---|---|---|---|---|---|
| Package | 129-ball UFBGA | 129-ball UFBGA | 129-ball UFBGA | 129-ball UFBGA | 129-ball UFBGA | QFN-73 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Nordic Semiconductor |
| Core | Cortex-M4 + M0+ | Cortex-M4 + M0+ | Cortex-M4 + M0+ | Cortex-M4 + M0+ | Cortex-M4 + M0+ | Cortex-M4F |
| Flash Memory | 1 Mbyte | 1 Mbyte | 512 Kbytes | 1 Mbyte | 256 Kbytes | 1 Mbyte |
| SRAM | 256 Kbytes | 256 Kbytes | 128 Kbytes | 256 Kbytes | 64 Kbytes | 256 Kbytes |
| Bluetooth Version | BLE 5.0 | BLE 5.0 | BLE 5.0 | BLE 5.0 | BLE 5.0 | BLE 5.0 |
| Zigbee Support | Yes | Yes | Yes | Yes | Yes | No (Thread only) |
| Supply Voltage | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.7V to 5.5V |
| Standby Current | 1.62 uA | 1.62 uA | 1.62 uA | 1.62 uA | 1.62 uA | 0.3 uA (System OFF) |
Key Differentiators
- Dual-core architecture with dedicated radio core (vs nRF52840)
- Multiprotocol support (BLE, Zigbee, OpenThread) (vs nRF52840)
- Integrated hardware security (vs STM32WB55VEE6)
Design Notes
For optimal RF performance, place the antenna matching network close to the RF pins and ensure a 50-ohm impedance-controlled trace. Use a ground plane under the RF section and avoid routing digital signals near the antenna. Refer to ST's application note AN5165 for layout guidelines.
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin. Additionally, use a 4.7 uF bulk capacitor on the main supply. For battery-powered designs, consider a low-dropout regulator to maintain stable voltage across the 1.71V to 3.6V range.
The 129-ball UFBGA package has a thermal resistance of approximately 40 C/W (theta_JA). For high-current radio transmissions, ensure adequate PCB copper area for heat dissipation. In continuous transmission at 0 dBm, the device may dissipate up to 100 mW, so keep ambient temperature below 85C to stay within operating limits.
Compliance Information
RoHS compliant per JLCPCB listing. Other compliance data not explicitly provided in verified data.
