STM32WLE5C8 - 32-bit Arm Cortex-M4 LoRa SoC | STMicroelectronics
料号： STM32WLE5C8 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.5 | $5,500.00 |
STM32WLE5C8 概述
A microcontroller unit (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32WLE5C8 belongs to the STM32WL family, which combines an MCU with a sub-GHz radio transceiver, enabling single-chip solutions for IoT devices. This integration reduces system cost and board space compared to discrete MCU and radio implementations.
Key features of the STM32WLE5C8 include an Arm Cortex-M4 core with FPU, a LoRa transceiver supporting frequencies from 150 MHz to 960 MHz, and a sensitivity of -123 dBm. It also offers multiple low-power modes, including Sleep, Stop, and Standby, with a typical current consumption of 1.4 uA in Standby mode. The device includes a 12-bit ADC, multiple timers, and communication interfaces such as SPI, I2C, and USART.
The STM32WLE5C8 is built on STMicroelectronics' ultra-low-power technology, featuring a dynamic current consumption of 4.6 mA in active mode at 48 MHz. The integrated LoRa transceiver provides a link budget of up to 151 dB, enabling reliable communication over several kilometers in open field conditions. The device also supports FSK, GFSK, MSK, GMSK, and BPSK modulations, offering flexibility for various wireless protocols.
Typical applications include smart agriculture, asset tracking, smart metering, and industrial IoT. The device's long-range capability and low power consumption make it ideal for battery-powered sensors that require years of operation. In smart agriculture, the STM32WLE5C8 can monitor soil moisture and transmit data over LoRaWAN networks, while in asset tracking, it can provide real-time location updates with minimal energy usage.
When designing with the STM32WLE5C8, ensure proper antenna matching and RF layout to achieve optimal radio performance. The device requires a 32 MHz crystal for the radio and a 32.768 kHz crystal for the RTC. Use the STM32CubeWL software package for rapid development, which includes drivers, middleware, and examples for LoRaWAN and point-to-point communication.
直接替换替代料： STM32WLE5C8 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
STM32WLE5J8
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE4C8
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6
✅ 直接替换📋 参考替代料（不在目录中）
STM32WLE5CBU6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5CCU6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5J8I
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5JBI6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5JCI6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6TR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6T
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6D
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6F
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6G
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6H
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6I
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6J
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6K
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6L
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8U6M
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32WLE5C8 最大额定值与电气特性
| Core | Arm Cortex-M4 with FPU |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 64 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Radio Frequency Range | 150 MHz to 960 MHz |
| Modulation | LoRa, (G)FSK, (G)MSK, BPSK |
| Receiver Sensitivity | -123 dBm |
| Link Budget | 151 dB |
| Active Mode Current | 4.6 mA at 48 MHz |
| Standby Current | 1.4 uA |
| ADC | 12-bit |
| DAC | 12-bit low-power sample-and-hold |
| Communication Interfaces | SPI, I2C, USART |
| 封装 | 48-pin UFQFPN (7x7 mm) |
| RoHS 状态 | Compliant |
STM32WLE5C8 引脚配置
| 引脚 1 | VDD — Power supply |
| 引脚 2 | PA0 — GPIO / ADC input |
| 引脚 3 | PA1 — GPIO / ADC input |
| 引脚 4 | PA2 — GPIO / USART2_TX |
| 引脚 5 | PA3 — GPIO / USART2_RX |
| 引脚 6 | VSS — Ground |
| 引脚 7 | PA4 — GPIO / SPI1_NSS |
| 引脚 8 | PA5 — GPIO / SPI1_SCK |
| 引脚 9 | PA6 — GPIO / SPI1_MISO |
| 引脚 10 | PA7 — GPIO / SPI1_MOSI |
| 引脚 11 | PB0 — GPIO / ADC input |
| 引脚 12 | PB1 — GPIO / ADC input |
| 引脚 13 | PB2 — GPIO / BOOT1 |
| 引脚 14 | PB10 — GPIO / I2C2_SCL |
| 引脚 15 | PB11 — GPIO / I2C2_SDA |
| 引脚 16 | VDD — Power supply |
| 引脚 17 | PB12 — GPIO / SPI2_NSS |
| 引脚 18 | PB13 — GPIO / SPI2_SCK |
| 引脚 19 | PB14 — GPIO / SPI2_MISO |
| 引脚 20 | PB15 — GPIO / SPI2_MOSI |
| 引脚 21 | PC13 — GPIO / RTC_TAMP1 |
| 引脚 22 | PC14 — GPIO / OSC32_IN |
| 引脚 23 | PC15 — GPIO / OSC32_OUT |
| 引脚 24 | VSS — Ground |
| 引脚 25 | PH0 — OSC_IN |
| 引脚 26 | PH1 — OSC_OUT |
| 引脚 27 | NRST — Reset |
| 引脚 28 | VDD — Power supply |
| 引脚 29 | PA8 — GPIO / USART1_CK |
| 引脚 30 | PA9 — GPIO / USART1_TX |
| 引脚 31 | PA10 — GPIO / USART1_RX |
| 引脚 32 | PA11 — GPIO / USART1_CTS |
| 引脚 33 | PA12 — GPIO / USART1_RTS |
| 引脚 34 | PA13 — SWDIO |
| 引脚 35 | PA14 — SWCLK |
| 引脚 36 | PA15 — GPIO / JTDI |
| 引脚 37 | PB3 — GPIO / JTDO |
| 引脚 38 | PB4 — GPIO / NJTRST |
| 引脚 39 | PB5 — GPIO / I2C1_SMBA |
| 引脚 40 | PB6 — GPIO / I2C1_SCL |
| 引脚 41 | PB7 — GPIO / I2C1_SDA |
| 引脚 42 | VSS — Ground |
| 引脚 43 | RF — RF input/output |
| 引脚 44 | VDD_RF — RF power supply |
| 引脚 45 | VSS_RF — RF ground |
| 引脚 46 | VDD — Power supply |
| 引脚 47 | VSS — Ground |
| 引脚 48 | VDD — Power supply |
典型应用
STM32WLE5C8 适用于 6 应用s: Smart Agriculture, Asset Tracking, Smart Metering, Industrial IoT, Smart City, Environmental Monitoring.
Smart Agriculture
The STM32WLE5C8 is ideal for smart agriculture due to its long-range LoRa radio and ultra-low power consumption. It can monitor soil moisture, temperature, and humidity, transmitting data over LoRaWAN networks. The 151 dB link budget ensures reliable communication across large fields. In a typical deployment, the STM32WLE5C8 is connected to sensors via I2C or SPI, and the integrated radio sends data to a gateway. The device's standby current of 1.4 uA allows battery-powered nodes to operate for years. Compared to cellular solutions, LoRaWAN offers lower power and cost, making it suitable for remote agricultural monitoring.
推荐
Asset Tracking
The STM32WLE5C8 is well-suited for asset tracking applications due to its integrated LoRa radio and low power consumption. It can provide real-time location updates with minimal energy usage, making it ideal for tracking containers, vehicles, and high-value goods. The device's -123 dBm sensitivity ensures reliable communication even in challenging environments. In a typical asset tracker, the STM32WLE5C8 interfaces with a GPS module via UART and transmits location data over LoRaWAN. The device's multiple low-power modes allow it to conserve battery when not transmitting. Compared to cellular trackers, LoRaWAN offers lower power consumption and no SIM card requirements, reducing operational costs.
推荐
Smart Metering
The STM32WLE5C8 is an excellent choice for smart metering applications, such as water, gas, and electricity meters. Its long-range radio enables communication from basements and remote locations, while its ultra-low power consumption ensures long battery life. The device's 12-bit ADC can accurately measure sensor outputs, and its multiple communication interfaces allow connection to various metering modules. In a typical smart meter, the STM32WLE5C8 reads consumption data from sensors and transmits it over LoRaWAN to a central system. The device's security features, including readout protection, help prevent tampering. Compared to PLC or cellular solutions, LoRaWAN offers lower power and cost, making it ideal for widespread deployment.
推荐
Industrial IoT
The STM32WLE5C8 is well-suited for industrial IoT applications, such as predictive maintenance, environmental monitoring, and process control. Its long-range radio and low power consumption enable wireless sensor networks in factories and plants. The device's robust security features protect sensitive data. In a typical industrial IoT node, the STM32WLE5C8 collects data from sensors and transmits it over LoRaWAN to a central controller. The device's wide operating temperature range and industrial-grade reliability make it suitable for harsh environments. Compared to Wi-Fi or Bluetooth, LoRaWAN offers longer range and better penetration through walls, making it ideal for industrial settings.
推荐
Smart City
The STM32WLE5C8 is ideal for smart city applications, such as smart lighting, waste management, and parking sensors. Its long-range radio enables communication across urban areas, while its low power consumption ensures long battery life. The device's small form factor allows easy integration into existing infrastructure. In a typical smart city deployment, the STM32WLE5C8 controls lighting or sensors and communicates with a central management system over LoRaWAN. The device's multiple low-power modes allow it to conserve energy when idle. Compared to cellular solutions, LoRaWAN offers lower cost and power consumption, making it suitable for large-scale deployments.
推荐
Environmental Monitoring
The STM32WLE5C8 is well-suited for environmental monitoring applications, such as air quality, weather stations, and water quality monitoring. Its long-range radio enables data transmission from remote locations, while its low power consumption allows battery-powered operation. The device's 12-bit ADC can interface with various sensors. In a typical environmental monitoring node, the STM32WLE5C8 collects data from sensors and transmits it over LoRaWAN to a central server. The device's wide operating temperature range makes it suitable for outdoor deployment. Compared to satellite or cellular solutions, LoRaWAN offers lower cost and power consumption, making it ideal for widespread environmental monitoring.
推荐
推荐产品汇总
工程参考数据： STM32WLE5C8 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32WLE5J8 | STM32WLE4C8 | STM32WLE5C8U6 |
|---|---|---|---|---|
| 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 | Arm Cortex-M4 with FPU | Arm Cortex-M4 with FPU | Arm Cortex-M4 with FPU | Arm Cortex-M4 with FPU |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB |
| Radio Frequency Range | 150 MHz to 960 MHz | 150 MHz to 960 MHz | 150 MHz to 960 MHz | 150 MHz to 960 MHz |
| Receiver Sensitivity | -123 dBm | -123 dBm | -123 dBm | -123 dBm |
| Standby Current | 1.4 uA | 1.4 uA | 1.4 uA | 1.4 uA |
| Security Features | TRNG, 96-bit unique ID | TRNG, 96-bit unique ID | No TRNG | TRNG, 96-bit unique ID |
关键差异点
- Integrated LoRa transceiver （对比 STM32L073RZ)
- Ultra-low standby current （对比 STM32L073RZ)
- High link budget （对比 SX1276)
设计说明
For optimal RF performance, match the antenna impedance to 50 ohms and place it close to the RF pin (pin 43). Use a pi-network for impedance matching. Follow the layout guidelines in the STM32WLE5xx datasheet and AN5457 application note. Keep the RF trace short and avoid vias to minimize losses.
Decouple the VDD pins with 100 nF ceramic capacitors placed as close as possible to each pin. Add a 4.7 uF bulk capacitor for low-frequency noise. For the RF power supply (VDD_RF), use a dedicated LC filter to isolate the radio from digital noise. Ensure the ground plane is continuous under the device.
Use a 32 MHz crystal for the radio and a 32.768 kHz crystal for the RTC. Place crystals close to the MCU with load capacitors as specified in the datasheet. Keep the crystal traces short and shielded to prevent interference. For the RF section, use a ground plane with proper via stitching to minimize parasitic inductance.
合规信息
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified. Lead-free per datasheet.
