STM32WLE4CBU6TR Overview
The STM32WLE4CBU6TR is a highly integrated wireless microcontroller optimized for low-power long-range communication in industrial and IoT applications. Featuring an Arm Cortex-M4 core with FPU, this device combines advanced processing capabilities with a sub-GHz radio transceiver supporting LoRa and FSK modulation schemes. Its compact 32-pin UQFN package ensures ease of integration in space-constrained designs. The device is designed to deliver robust wireless connectivity, extended battery life, and flexible memory options, making it ideal for smart metering, asset tracking, and sensor networks. For detailed specifications and sourcing, visit IC Manufacturer.
STM32WLE4CBU6TR Technical Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M4 32-bit with FPU |
| Operating Frequency | Up to 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 64 KB |
| Radio Frequency Range | 150 MHz to 960 MHz |
| Modulation Supported | LoRa, (G)FSK, (G)MSK, BPSK |
| Transmit Power | Up to +22 dBm |
| Package | 32-pin UQFN, 5 x 5 mm |
| Supply Voltage | 1.8 V to 3.7 V |
| Temperature Range | -40??C to +85??C |
STM32WLE4CBU6TR Key Features
- Integrated Arm Cortex-M4 core with FPU: Enables efficient processing of complex algorithms and signal processing, reducing system latency and power consumption.
- Sub-GHz radio transceiver: Supports long-range communication with LoRa modulation, essential for low-power wide-area network (LPWAN) applications requiring extended coverage.
- High transmit power up to +22 dBm: Improves link budget and communication reliability in challenging environments without the need for external RF amplifiers.
- Flexible memory configuration: 256 KB Flash and 64 KB SRAM provide ample space for application code and data buffering in embedded wireless applications.
- Low power consumption modes: Designed for battery-operated devices, with various sleep modes that maximize operational lifetime in IoT deployments.
- Compact 32-pin UQFN package: Facilitates space-saving designs and ease of PCB layout in compact industrial or consumer products.
- Wide supply voltage range: Supports operation from 1.8 V to 3.7 V, enabling compatibility with different power sources including coin cells and rechargeable batteries.
Typical Applications
- Smart metering systems requiring secure, low-power, long-range wireless communication for utility data collection and remote monitoring.
- Asset tracking solutions that benefit from extended battery life and reliable connectivity in outdoor and industrial environments.
- Environmental sensor networks where low power consumption and robust data transmission over long distances are critical.
- Industrial automation systems needing wireless control and monitoring with minimal interference and high integration.
STM32WLE4CBU6TR Advantages vs Typical Alternatives
This device offers a unique combination of high transmit power, integrated LoRa transceiver, and Arm Cortex-M4 processing core, providing superior sensitivity and energy efficiency compared to traditional narrowband transceivers. Its flexible memory and low-voltage operation enable reliable, long-lasting wireless solutions with fewer external components. The compact package and comprehensive feature set reduce BOM cost and simplify design, outperforming many competing wireless MCUs in industrial and IoT applications.
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STM32WLE4CBU6TR Brand Info
Manufactured by STMicroelectronics, the STM32WLE4CBU6TR belongs to the STM32WL series, which combines an ultra-low-power microcontroller with a sub-GHz radio transceiver in a single chip. STMicroelectronics is a global leader in semiconductor solutions, known for robust, scalable, and innovative products designed for industrial, consumer, and automotive markets. The STM32WL family enables developers to build compact, energy-efficient connected devices, leveraging ST??s extensive ecosystem including software, tools, and support
