STM32WB55VEQ6 - 2.4GHz Dual-Core Wireless MCU | STMicroelectronics
Teilenummer: STM32WB55VEQ6 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 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 |
STM32WB55VEQ6 Übersicht
A wireless microcontroller (MCU) is a system-on-chip that combines a general-purpose processor core with a radio transceiver, allowing embedded systems to communicate wirelessly. The STM32WB55VEQ6 belongs to the STM32WB series, which is part of the broader STM32 family of 32-bit Arm Cortex-M microcontrollers. This hierarchy places it within the categories of wireless MCU -> microcontroller -> embedded processor -> semiconductor, providing a clear taxonomy for engineers selecting components for IoT applications.
Key features include 1 Mbyte of flash memory and 256 Kbytes of SRAM, providing ample storage for complex application firmware and protocol stacks. The device supports a wide supply voltage range of 1.71V to 3.6V, making it suitable for battery-powered applications. It also integrates a rich set of analog peripherals, including a 12-bit ADC, operational amplifiers, and comparators, as well as digital interfaces such as SPI, I2C, USART, and USB 2.0 FS. The radio supports BLE 5.0 with a data rate of up to 2 Mbps, Zigbee 3.0, and OpenThread, with a typical sensitivity of -96 dBm for BLE.
The dual-core architecture allows the Cortex-M0+ to handle all real-time radio protocol processing, while the Cortex-M4 runs the application code, ensuring deterministic wireless performance without burdening the main processor. The device also features a hardware cryptographic accelerator (AES, RSA, ECC) and a true random number generator (TRNG) for secure communication, which is critical for IoT security.
Typical applications include smart home devices (e.g., smart locks, sensors, lighting), industrial wireless sensor networks, healthcare wearables, and asset tracking systems. The low-power modes, including Sleep, Stop, and Standby, with current consumption as low as 1.62 uA in Standby mode, extend battery life in portable applications.
When designing with this device, ensure proper antenna matching and RF layout to achieve optimal radio performance. The device requires a 32.768 kHz crystal for the RTC and a 32 MHz crystal for the radio, and careful PCB design is essential to minimize interference between the RF section and digital circuitry.
Drop-in-Alternativen für STM32WB55VEQ6 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
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STM32WB55VEG6
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STM32WB55VEE6
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STM32WB55VGE6
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STM32WB55VCD6
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STM32WB55VEQ6 Grenzwerte & elektrische Eigenschaften
| Core | Arm Cortex-M4 (64 MHz) + Arm Cortex-M0+ (32 MHz) |
| Flash Memory | 1 Mbyte |
| SRAM | 256 Kbytes |
| Versorgungsspannung | 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 |
| Gehäuse | 129-ball UFBGA (VQFN-129) |
| Betriebstemperatur | -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-Konfiguration
| Pin A1 | VDD — Power supply |
| Pin A2 | VSS — Ground |
| Pin B1 | PA0 — GPIO/ADC |
| Pin B2 | PA1 — GPIO/ADC |
| Pin C1 | PA2 — GPIO/USART |
| Pin C2 | PA3 — GPIO/USART |
| Pin D1 | PA4 — GPIO/SPI |
| Pin D2 | PA5 — GPIO/SPI |
| Pin E1 | PA6 — GPIO/SPI |
| Pin E2 | PA7 — GPIO/SPI |
| Pin F1 | PB0 — GPIO/ADC |
| Pin F2 | PB1 — GPIO/ADC |
| Pin G1 | PB2 — GPIO |
| Pin G2 | PB3 — GPIO/SPI |
| Pin H1 | PB4 — GPIO/SPI |
| Pin H2 | PB5 — GPIO/I2C |
| Pin J1 | PB6 — GPIO/I2C |
| Pin J2 | PB7 — GPIO/I2C |
| Pin K1 | PB8 — GPIO |
| Pin K2 | PB9 — GPIO |
| Pin L1 | VDD — Power supply |
| Pin L2 | VSS — Ground |
Typische Anwendungen
STM32WB55VEQ6 ist geeignet für 6 Anwendungs: 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.
Empfohlen
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.
Empfohlen
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.
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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.
Empfohlen
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.
Empfohlen
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.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für STM32WB55VEQ6 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | 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) |
Wichtigste Unterscheidungsmerkmale
- Dual-core architecture with dedicated radio core (vs. nRF52840)
- Multiprotocol support (BLE, Zigbee, OpenThread) (vs. nRF52840)
- Integrated hardware security (vs. STM32WB55VEE6)
Designhinweise
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-Informationen
RoHS compliant per JLCPCB listing. Other compliance data not explicitly provided in verified data.
