STM32WB30CEU6 - 2.4GHz Wireless MCU with BLE 5.0 | STMicroelectronics
MPN: STM32WB30CEU6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.5 | $4.50 |
| 10 | $4.05 | $40.50 |
| 100 | $3.6 | $360.00 |
| 500 | $3.24 | $1,620.00 |
| 1,000 | $2.88 | $2,880.00 |
Drop-in alternatives for STM32WB30CEU6 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:
STM32WB35CEU6
β Drop-Inβ 99,999 In Stock
$4.16 / Unit
View Datasheet βSTM32WB55CEU6
β Drop-Inβ 99,999 In Stock
$4.38 / Unit
View Datasheet βSTM32WB30CEU7
β Drop-Inπ Reference alternative (not in catalog)
STM32WB30CEU6 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M4 + Cortex-M0+ |
| Max Clock Speed | 64 MHz |
| Flash Memory | 512 KB |
| SRAM | 96 KB |
| Radio | 2.4 GHz BLE 5.0, 802.15.4 |
| Bluetooth Version | 5.0 |
| Zigbee Support | Zigbee 3.0 |
| Thread Support | Thread 1.1 |
| Supply Voltage | 1.71 V to 3.6 V |
| Standby Current | 1.6 uA (with RTC) |
| ADC Resolution | 12-bit |
| Package | UFQFPN-48 (7x7 mm) |
| Operating Temperature | -40C to +85C |
| RoHS Status | Compliant |
| AEC-Q100 | Not qualified |
STM32WB30CEU6 Pin Configuration
| Pin 1 | VBAT β Battery supply for RTC and backup registers |
| Pin 2 | PC14 β GPIO / OSC32_IN |
| Pin 3 | PC15 β GPIO / OSC32_OUT |
| Pin 4 | PH0 β GPIO / OSC_IN |
| Pin 5 | PH1 β GPIO / OSC_OUT |
| Pin 6 | NRST β Reset (active low) |
| Pin 7 | PC0 β GPIO / ADC_IN |
| Pin 8 | PC1 β GPIO / ADC_IN |
| Pin 9 | PC2 β GPIO / ADC_IN |
| Pin 10 | PC3 β GPIO / ADC_IN |
| Pin 11 | VDD β Digital power supply |
| Pin 12 | VSS β Ground |
| Pin 13 | PA0 β GPIO / ADC_IN / WKUP |
| Pin 14 | PA1 β GPIO / ADC_IN |
| Pin 15 | PA2 β GPIO / USART2_TX |
| Pin 16 | PA3 β GPIO / USART2_RX |
| Pin 17 | PA4 β GPIO / SPI1_NSS |
| Pin 18 | PA5 β GPIO / SPI1_SCK |
| Pin 19 | PA6 β GPIO / SPI1_MISO |
| Pin 20 | PA7 β GPIO / SPI1_MOSI |
| Pin 21 | PB0 β GPIO / ADC_IN |
| Pin 22 | PB1 β GPIO / ADC_IN |
| Pin 23 | PB2 β GPIO / BOOT1 |
| Pin 24 | PB10 β GPIO / I2C2_SCL |
| Pin 25 | PB11 β GPIO / I2C2_SDA |
| Pin 26 | PB12 β GPIO / SPI2_NSS |
| Pin 27 | PB13 β GPIO / SPI2_SCK |
| Pin 28 | PB14 β GPIO / SPI2_MISO |
| Pin 29 | PB15 β GPIO / SPI2_MOSI |
| Pin 30 | PA8 β GPIO / MCO |
| Pin 31 | PA9 β GPIO / USART1_TX |
| Pin 32 | PA10 β GPIO / USART1_RX |
| Pin 33 | PA11 β GPIO / USB_DM |
| Pin 34 | PA12 β GPIO / USB_DP |
| Pin 35 | PA13 β GPIO / SWDIO |
| Pin 36 | PA14 β GPIO / SWCLK |
| Pin 37 | PA15 β GPIO / JTDI |
| Pin 38 | PB3 β GPIO / JTDO |
| Pin 39 | PB4 β GPIO / NJTRST |
| Pin 40 | PB5 β GPIO / I2C1_SMBA |
| Pin 41 | PB6 β GPIO / I2C1_SCL |
| Pin 42 | PB7 β GPIO / I2C1_SDA |
| Pin 43 | PB8 β GPIO / I2C1_SCL |
| Pin 44 | PB9 β GPIO / I2C1_SDA |
| Pin 45 | VDD β Digital power supply |
| Pin 46 | VSS β Ground |
| Pin 47 | RF β RF input/output |
| Pin 48 | GND β Ground for RF |
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
STM32WB30CEU6 is suitable for 6 applications: Smart Home Devices, Industrial Wireless Sensors, Healthcare Wearables, Asset Tracking, Smart Agriculture, Beacons and Indoor Positioning.
Smart Home Devices
The STM32WB30CEU6 is ideal for smart home devices such as smart locks, sensors, and lighting controls. Its dual-core architecture allows the Cortex-M0+ to handle the BLE/Zigbee stack while the Cortex-M4 runs the application logic, ensuring low latency and reliable connectivity. The device's low power consumption (1.6 uA standby) extends battery life in battery-powered sensors. With support for Zigbee 3.0 and Thread, it can participate in mesh networks, enabling whole-home coverage. The integrated AES-256 encryption ensures secure communication, critical for smart locks and security systems. Designers can use the STM32CubeWB software package to quickly develop applications, reducing time-to-market.
Recommended
Industrial Wireless Sensors
In industrial environments, the STM32WB30CEU6 provides reliable wireless connectivity for sensors monitoring temperature, vibration, and pressure. Its 2.4 GHz radio with BLE 5.0 and 802.15.4 support enables robust communication in noisy industrial settings. The device's wide supply voltage range (1.71V to 3.6V) allows direct connection to industrial power rails. The Cortex-M4 core can handle sensor data processing and edge analytics, reducing the need for cloud processing. The low-power modes enable battery-powered sensors to operate for years. The hardware cryptographic accelerator ensures secure data transmission, protecting sensitive industrial data. The UFQFPN-48 package is compact enough for small sensor nodes.
Recommended
Healthcare Wearables
The STM32WB30CEU6 is well-suited for healthcare wearables like fitness trackers and heart rate monitors. Its low power consumption is critical for continuous operation on small batteries. The BLE 5.0 radio enables efficient data transfer to smartphones, with support for long-range and high-throughput modes. The Cortex-M4 can run complex algorithms for heart rate variability analysis or step counting. The device's small package (7x7 mm) fits into compact wearable designs. The integrated ADC can interface with analog sensors, while the SPI/I2C interfaces connect to digital sensors. The security features protect patient data, complying with healthcare regulations.
Recommended
Asset Tracking
For asset tracking, the STM32WB30CEU6 provides a cost-effective solution with BLE 5.0 and long-range capabilities. The device can be used in beacons or trackers that transmit location data to a central gateway. Its low power consumption allows battery-powered trackers to operate for months or years. The Cortex-M0+ handles the radio stack, while the Cortex-M4 can process GPS or other sensor data. The device's small size and low cost make it suitable for disposable trackers. The AES encryption ensures secure communication, preventing unauthorized tracking. The device supports OTA updates, allowing firmware improvements in the field.
Recommended
Smart Agriculture
In smart agriculture, the STM32WB30CEU6 enables wireless sensor networks for monitoring soil moisture, temperature, and humidity. Its support for Zigbee and Thread allows mesh networking, covering large agricultural areas. The device's low power consumption is essential for solar-powered or battery-operated nodes. The Cortex-M4 can process sensor data locally, reducing the need for frequent transmissions. The device's robust design operates in harsh outdoor environments with temperatures from -40C to +85C. The integrated ADC interfaces with analog soil moisture sensors. The security features protect data integrity in agricultural monitoring systems.
Recommended
Beacons and Indoor Positioning
The STM32WB30CEU6 is ideal for BLE beacons used in indoor positioning and proximity marketing. Its BLE 5.0 support includes advertising extensions, enabling higher data throughput and longer range. The device can broadcast beacon signals with configurable intervals, balancing battery life and responsiveness. The Cortex-M0+ handles the radio stack efficiently, leaving the Cortex-M4 for application logic. The device's low power consumption allows beacon batteries to last for years. The small package and low cost make it suitable for mass deployment. The device supports multiple beacon profiles, including iBeacon and Eddystone.
Recommended
Recommended Products Summary
Engineering reference data for STM32WB30CEU6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32WB35CEU6 | STM32WB55CEU6 | STM32WB30CEU7 | nRF52840 | EFR32MG21 |
|---|---|---|---|---|---|---|
| Package | UFQFPN-48 (7x7 mm) | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same | UFQFPN-48 (7x7 mm) - same | QFN-48 (6x6 mm) - different | QFN-32 (5x5 mm) - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Nordic Semiconductor | Silicon Labs |
| Flash Memory | 512 KB | 1 MB | 1 MB | 1 MB | 1 MB | 512 KB |
| SRAM | 96 KB | 256 KB | 256 KB | 96 KB | 256 KB | 64 KB |
| Max Clock Speed | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 80 MHz |
| Bluetooth Version | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 |
| Zigbee Support | Yes (3.0) | Yes (3.0) | Yes (3.0) | Yes (3.0) | Yes (3.0) | Yes (3.0) |
| Standby Current | 1.6 uA | 1.6 uA | 1.6 uA | 1.6 uA | 1.9 uA | 1.3 uA |
Key Differentiators
- Dual-core architecture with dedicated network processor (vs nRF52840)
- Multi-protocol support (BLE, Zigbee, Thread) in a single chip (vs EFR32MG21)
- Lower standby current than nRF52840 (vs nRF52840)
Design Notes
For the STM32WB30CEU6, ensure a clean ground plane under the RF section. Place the 32 MHz crystal (for the radio) and 32.768 kHz crystal (for RTC) close to the respective pins (PH0/PH1 and PC14/PC15). Use a balun (e.g., BALF-NRG-02D3) for impedance matching to the antenna. Keep the RF trace as short as possible and avoid vias in the RF path.
Decouple the VDD pins with 100 nF ceramic capacitors placed as close as possible to each VDD pin. Additionally, use a 4.7 uF capacitor on the main VDD rail. For battery-powered designs, consider using the VBAT pin for RTC backup, and ensure the supply voltage stays within 1.71V to 3.6V. In standby mode, the current is 1.6 uA with RTC, so minimize leakage paths.
Do not forget to configure the RF output pin (pin 47) correctly and match the antenna impedance. The device requires a 32 MHz crystal for the radio; using a wrong frequency will prevent BLE operation. Also, ensure the BOOT0 pin is set correctly for firmware programming. For OTA updates, reserve sufficient flash memory and implement a robust bootloader.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified.
