STM32WB30CEU6 - 2.4GHz Wireless MCU with BLE 5.0 | STMicroelectronics
Référence : STM32WB30CEU6 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.85 | $4,85 |
| 10 | $4.36 | $43,60 |
| 100 | $3.88 | $388,00 |
| 500 | $3.49 | $1 745,00 |
| 1 000 | $3.1 | $3 100,00 |
STM32WB30CEU6 Présentation
A wireless MCU (Microcontroller Unit) is a system-on-chip that combines a general-purpose microcontroller core with an integrated radio transceiver, enabling wireless communication without external RF chips. In the system hierarchy, a wireless MCU sits above a standalone MCU and below a full application processor, providing a balance of processing power, connectivity, and low power consumption. The STM32WB30CEU6 exemplifies this category by pairing a powerful Cortex-M4 for application code with a Cortex-M0+ that offloads the real-time radio stack, ensuring deterministic wireless performance.
Key features include 512 KB of flash memory and 96 KB of SRAM, sufficient for complex applications and over-the-air (OTA) updates. The radio supports BLE 5.0 with 2 Mbps data rate, long range, and advertising extensions, as well as Zigbee 3.0 and Thread for mesh networking. The device operates from 1.71V to 3.6V, with multiple low-power modes including Sleep, Stop, and Standby, consuming as low as 1.6 uA in Standby mode with RTC. It also integrates a 12-bit ADC, multiple timers, and a rich set of communication interfaces (SPI, I2C, USART, LPUART).
The dual-core architecture is a key differentiator: the Cortex-M0+ runs the wireless protocol stack (e.g., BLE stack) independently, while the Cortex-M4 runs the user application. This separation improves real-time performance and simplifies certification. The device also features a hardware cryptographic accelerator (AES-256) and a true random number generator (TRNG) for secure connections.
Typical applications include smart home devices (sensors, locks, lighting), industrial wireless sensors, healthcare wearables, and asset tracking. The integrated radio and low power consumption make it ideal for battery-powered IoT nodes that require long battery life and reliable wireless connectivity.
When designing with the STM32WB30CEU6, pay attention to the RF layout: use a 32 MHz crystal for the radio and a 32.768 kHz crystal for the RTC, and ensure a clean ground plane under the antenna. The device supports firmware updates via the built-in bootloader, simplifying field updates.
Alternatives de remplacement direct pour STM32WB30CEU6 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32WB30CEU6 (même facteur de forme et même empreinte) — différant par Core, Flash Memory, SRAM.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32WB30CEU6A
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32WB30CEU5A
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32WB35CCU6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32WB35CCU6A
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32WB55CCU6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32WB30CEU6 Valeurs maximales et caractéristiques électriques
| Core | Arm Cortex-M4 + Cortex-M0+ |
| Max CPU Frequency | 64 MHz (M4), 32 MHz (M0+) |
| Flash Memory | 512 KB |
| SRAM | 96 KB |
| Wireless Protocols | Bluetooth Low Energy 5.0, IEEE 802.15.4 (Zigbee 3.0, Thread) |
| Radio Frequency | 2.4 GHz |
| RX Sensitivity | -96 dBm (BLE 1 Mbps), -100 dBm (802.15.4) |
| Output Power | Up to +4 dBm with 1 dB steps |
| Tension d'alimentation | 1.71 V to 3.6 V |
| Standby Current | 1.6 uA (with RTC) |
| ADC | 12-bit, multiple channels |
| Communication Interfaces | SPI, I2C, USART, LPUART |
| Cryptographic Acceleration | AES-256, TRNG |
| Boîtier | UFQFPN-48 (7x7 mm) |
| Température de fonctionnement | -40C to +85C |
| Statut RoHS | Compliant |
Configuration des broches de STM32WB30CEU6
| Broche 1 | VDD — Power supply |
| Broche 2 | VSS — Ground |
| Broche 3 | PA0 — GPIO / ADC input |
| Broche 4 | PA1 — GPIO / ADC input |
| Broche 5 | PA2 — GPIO / USART2_TX |
| Broche 6 | PA3 — GPIO / USART2_RX |
| Broche 7 | PA4 — GPIO / SPI1_NSS |
| Broche 8 | PA5 — GPIO / SPI1_SCK |
| Broche 9 | PA6 — GPIO / SPI1_MISO |
| Broche 10 | PA7 — GPIO / SPI1_MOSI |
| Broche 11 | PB0 — GPIO / ADC input |
| Broche 12 | PB1 — GPIO / ADC input |
| Broche 13 | PB2 — GPIO / BOOT1 |
| Broche 14 | PB10 — GPIO / I2C2_SCL |
| Broche 15 | PB11 — GPIO / I2C2_SDA |
| Broche 16 | PB12 — GPIO / SPI2_NSS |
| Broche 17 | PB13 — GPIO / SPI2_SCK |
| Broche 18 | PB14 — GPIO / SPI2_MISO |
| Broche 19 | PB15 — GPIO / SPI2_MOSI |
| Broche 20 | PC13 — GPIO / RTC_TAMP1 |
| Broche 21 | PC14 — GPIO / OSC32_IN |
| Broche 22 | PC15 — GPIO / OSC32_OUT |
| Broche 23 | PH0 — OSC_IN (32 MHz crystal) |
| Broche 24 | PH1 — OSC_OUT (32 MHz crystal) |
| Broche 25 | NRST — Reset (active low) |
| Broche 26 | VDDA — Analog power supply |
| Broche 27 | VSSA — Analog ground |
| Broche 28 | VREF+ — ADC reference voltage |
| Broche 29 | VREF- — ADC reference ground |
| Broche 30 | PA8 — GPIO / TIM1_CH1 |
| Broche 31 | PA9 — GPIO / USART1_TX |
| Broche 32 | PA10 — GPIO / USART1_RX |
| Broche 33 | PA11 — GPIO / USB_DM |
| Broche 34 | PA12 — GPIO / USB_DP |
| Broche 35 | PA13 — SWDIO |
| Broche 36 | PA14 — SWCLK |
| Broche 37 | PA15 — GPIO / JTDI |
| Broche 38 | PB3 — GPIO / JTDO |
| Broche 39 | PB4 — GPIO / NJTRST |
| Broche 40 | PB5 — GPIO / I2C1_SMBA |
| Broche 41 | PB6 — GPIO / I2C1_SCL |
| Broche 42 | PB7 — GPIO / I2C1_SDA |
| Broche 43 | PB8 — GPIO / I2C1_SCL |
| Broche 44 | PB9 — GPIO / I2C1_SDA |
| Broche 45 | VDD — Power supply |
| Broche 46 | VSS — Ground |
| Broche 47 | RF — RF input/output |
| Broche 48 | GND — Ground (exposed pad) |
Applications typiques
STM32WB30CEU6 convient pour 6 applications: Smart Home Devices, Industrial Wireless Sensors, Healthcare Wearables, Asset Tracking, Smart Lighting, IoT Gateways.
Smart Home Devices
The STM32WB30CEU6 is ideal for smart home devices such as sensors, locks, and lighting due to its low power consumption and multiprotocol support (BLE, Zigbee, Thread). Its dual-core architecture allows the Cortex-M0+ to handle the wireless stack while the Cortex-M4 runs the application, ensuring responsive control. The device's 512 KB flash and 96 KB SRAM provide ample space for complex home automation logic and OTA updates. With standby current as low as 1.6 uA, battery-powered sensors can last years. The integrated AES-256 encryption ensures secure communication, critical for smart locks. The UFQFPN-48 package fits compact designs, and the wide supply voltage range (1.71V to 3.6V) accommodates various battery configurations. For a smart lock, the STM32WB30CEU6 can manage BLE for mobile app control and Zigbee for mesh networking, all while maintaining low power. Designers should ensure proper antenna layout for reliable range.
Recommandé
Industrial Wireless Sensors
In industrial settings, the STM32WB30CEU6 provides reliable wireless connectivity for sensors monitoring temperature, vibration, or pressure. Its support for IEEE 802.15.4 (Zigbee and Thread) enables robust mesh networking, while the -100 dBm RX sensitivity ensures reliable communication in noisy environments. The device's low power modes allow battery-powered sensors to operate for extended periods. The dual-core architecture offloads the protocol stack to the Cortex-M0+, freeing the Cortex-M4 for sensor data processing and control algorithms. The 12-bit ADC can interface directly with analog sensors, and the SPI/I2C interfaces connect to digital sensors. The wide operating temperature range (-40C to +85C) suits industrial environments. The AES-256 accelerator secures data transmission, protecting sensitive industrial data. For a vibration sensor, the STM32WB30CEU6 can sample at high rates, process FFTs on the Cortex-M4, and transmit alerts via Zigbee, all while consuming minimal power.
Recommandé
Healthcare Wearables
The STM32WB30CEU6 is well-suited for healthcare wearables like fitness trackers and heart rate monitors due to its ultra-low power consumption and BLE connectivity. The device can operate from a small coin cell battery, with standby current of 1.6 uA, extending battery life. The Cortex-M4 can run health monitoring algorithms, while the Cortex-M0+ handles BLE communication, ensuring efficient operation. The integrated AES-256 encryption secures patient data, complying with privacy regulations. The 12-bit ADC can interface with biosensors, and the LPUART can connect to external sensors. The compact UFQFPN-48 package fits into small wearable form factors. For a heart rate monitor, the STM32WB30CEU6 can process PPG signals, calculate heart rate, and transmit data to a smartphone via BLE 5.0, all while maintaining low power. Designers should optimize the RF layout for reliable BLE connectivity through the body.
Recommandé
Asset Tracking
The STM32WB30CEU6 enables asset tracking devices that use BLE beacons or Zigbee mesh to locate and monitor assets. Its low power consumption allows battery-powered tags to operate for months or years. The device's BLE 5.0 support includes advertising extensions and long range, improving tracking accuracy. The dual-core architecture allows the Cortex-M0+ to handle beacon advertising while the Cortex-M4 processes sensor data (e.g., GPS, temperature). The 512 KB flash can store tracking logs, and the AES-256 accelerator secures location data. The wide supply voltage range supports various battery types. For a pallet tracker, the STM32WB30CEU6 can periodically broadcast its location via BLE, and when in range of a gateway, transmit detailed logs. The device's small package and low power make it ideal for embedding in assets. Designers should consider antenna placement for optimal signal propagation.
Recommandé
Smart Lighting
The STM32WB30CEU6 is perfect for smart lighting systems, enabling BLE or Zigbee control of LED lights. Its multiprotocol support allows integration into existing smart home ecosystems. The device can control LED drivers via PWM timers, and its low power modes enable energy-efficient operation. The Cortex-M4 can run lighting effects and schedules, while the Cortex-M0+ handles wireless commands. The 12-bit ADC can monitor current for diagnostics. The AES-256 encryption ensures secure control. For a smart bulb, the STM32WB30CEU6 can receive commands via BLE from a smartphone app, adjust brightness and color, and report status. The compact package fits into bulb form factors. Designers should ensure proper thermal management for the LED driver and MCU.
Recommandé
IoT Gateways
The STM32WB30CEU6 can serve as a low-power IoT gateway, bridging BLE devices to Wi-Fi or Ethernet via external modules. Its dual-core architecture allows the Cortex-M0+ to handle BLE and Zigbee concurrently, while the Cortex-M4 manages the gateway logic and communication with the cloud. The device's 512 KB flash and 96 KB SRAM support protocol translation and buffering. The AES-256 accelerator secures data in transit. For a home gateway, the STM32WB30CEU6 can collect data from BLE sensors and Zigbee devices, then forward it to a cloud service via a Wi-Fi module (e.g., ESP8266) over SPI or UART. The low power consumption allows the gateway to run on battery or energy harvesting. Designers should ensure adequate antenna isolation between the 2.4 GHz radio and external modules.
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Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32WB30CEU6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32WB30CEU6A | STM32WB30CEU5A | STM32WB35CCU6 |
|---|---|---|---|---|
| Package | UFQFPN-48 (7x7 mm) | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M4 + M0+ | Cortex-M4 + M0+ | Cortex-M4 + M0+ | Cortex-M4 + M0+ |
| Max CPU Frequency | 64 MHz (M4), 32 MHz (M0+) | 64 MHz (M4), 32 MHz (M0+) | 64 MHz (M4), 32 MHz (M0+) | 64 MHz (M4), 32 MHz (M0+) |
| Wireless Protocols | BLE 5.0, Zigbee 3.0, Thread | BLE 5.0, Zigbee 3.0, Thread | BLE 5.0, Zigbee 3.0, Thread | BLE 5.0, Zigbee 3.0, Thread |
| Supply Voltage | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V |
| Standby Current | 1.6 uA (with RTC) | 1.6 uA (with RTC) | 1.6 uA (with RTC) | 1.6 uA (with RTC) |
Principaux différenciateurs
- Dual-core architecture with dedicated Cortex-M0+ for radio stack (vs Single-core wireless MCUs like STM32WB15CCU6)
- Multiprotocol support (BLE 5.0, Zigbee 3.0, Thread) in a single device (vs BLE-only MCUs like nRF52832)
- Integrated balun reduces BOM cost (vs MCUs requiring external balun like CC2652R)
Notes de conception
For the STM32WB30CEU6, pay careful attention to the RF layout. Use a 32 MHz crystal for the radio and a 32.768 kHz crystal for the RTC. Place the crystals close to the MCU pins (PH0/PH1 for 32 MHz, PC14/PC15 for 32.768 kHz) with proper load capacitors. Ensure a clean, continuous ground plane under the antenna and RF trace. The integrated balun reduces external components, but the antenna matching network must be tuned according to the datasheet recommendations. Keep the RF trace at 50 ohms impedance and minimize vias.
The STM32WB30CEU6 operates from 1.71V to 3.6V. Use a low-dropout regulator (LDO) or a DC-DC converter to provide a stable supply. Decouple each VDD pin with a 100 nF ceramic capacitor and a 4.7 uF bulk capacitor. For the VDDA pin, use a ferrite bead and a 1 uF capacitor to filter high-frequency noise. In low-power modes, ensure the supply voltage remains within the specified range to avoid brown-out resets. The standby current of 1.6 uA (with RTC) requires a low-leakage capacitor on the RTC supply.
The UFQFPN-48 package has an exposed pad that must be soldered to a thermal pad on the PCB for proper heat dissipation. Provide a thermal via array under the exposed pad to connect to the ground plane. The maximum junction temperature is 125C, and the power dissipation depends on the radio transmit power and CPU load. For continuous BLE transmission at +4 dBm, the current consumption is around 10 mA, resulting in about 36 mW at 3.6V. Ensure the PCB copper area is sufficient to keep the junction temperature below 125C in the operating environment.
Informations de conformité
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (not an automotive part). Lead-free per datasheet. Halogen-free status not specified in provided data.
