STM32WL31CBV6 Wireless Microcontroller, LoRa?/Sub-GHz, LQFP-48 Package – STMicroelectronics

STM32WL31CBV6 Overview

The STM32WL31CBV6 is a highly integrated wireless microcontroller designed for long-range, low-power IoT applications. Combining a 32-bit Arm? Cortex?-M4 core with a sub-GHz radio transceiver, it supports multiple protocols such as LoRa, Sigfox, and proprietary standards. This device offers enhanced RF performance, extended battery life, and flexible connectivity options. With embedded security features and rich peripheral sets, it is ideal for smart metering, asset tracking, and industrial sensor networks. For detailed sourcing and support, visit the IC Manufacturer website.

STM32WL31CBV6 Technical Specifications

STM32WL31CBV6 Key Features

• Integrated Arm Cortex-M4 core: Enables efficient processing for complex IoT algorithms and real-time control, reducing system complexity and cost.
• Sub-GHz radio transceiver: Supports multiple wireless protocols, providing flexible connectivity options for diverse IoT deployments.
• Low power consumption: Optimized for battery-powered devices, ensuring multi-year operation in energy-constrained environments.
• Embedded security features: Includes hardware cryptographic accelerators, enhancing data protection and secure communication.
• Rich peripheral set: Offers multiple timers, ADC, and communication interfaces facilitating comprehensive sensor and actuator integration.

Typical Applications

• Smart metering systems requiring secure, long-range wireless communication with minimal power consumption for extended field deployment.
• Asset tracking devices leveraging sub-GHz connectivity to enable real-time location monitoring and status reporting.
• Industrial sensor networks where robust, low-latency communication is essential for monitoring and control operations.
• Remote monitoring applications in agriculture and environment, benefiting from wide coverage and energy-efficient operation.

STM32WL31CBV6 Advantages vs Typical Alternatives

This wireless microcontroller excels with its integrated sub-GHz radio and Arm Cortex-M4 core, delivering superior sensitivity and RF performance compared to typical solutions. Its low power modes extend battery life, while embedded security ensures reliable data integrity. The all-in-one integration reduces component count and simplifies design, making it a preferred choice for industrial and IoT applications requiring robust long-range connectivity and advanced processing.

STM32WL31CBV6 Brand Info

The STM32WL31CBV6 is part of the STM32WL series developed by STMicroelectronics, a global leader in semiconductor technology. STMicroelectronics specializes in microcontrollers and wireless connectivity solutions tailored for IoT and industrial markets. The STM32WL series uniquely integrates a sub-GHz radio with an Arm Cortex-M4 microcontroller, enabling versatile wireless applications with secure, low-power operation. This product reflects ST??s commitment to innovation in embedded systems and industrial connectivity.

FAQ

What wireless protocols does this microcontroller support?

The device supports multiple sub-GHz wireless protocols including LoRa, Sigfox, (G)FSK, (G)MSK, and BPSK modulation schemes. This versatility allows developers to implement various LPWAN and proprietary communication standards on a single platform.

What are the power consumption characteristics of this product?

It features ultra-low power consumption modes, with Stop mode current as low as 1.3 microamperes. These power-saving features enable extended battery life for remote and portable applications, critical in IoT deployments