STM32WL31KBV6 Overview
The STM32WL31KBV6 is a highly integrated wireless microcontroller designed for low-power, long-range communication applications. Combining an Arm? Cortex?-M4 core with a sub-GHz radio transceiver, it supports multiple wireless protocols including LoRa?, Sigfox, and Wireless M-Bus. This device features 192 KB of Flash memory and 48 KB of RAM, optimized for embedded sensor nodes, smart metering, and industrial IoT use cases. With advanced security features and flexible power modes, it enables efficient, reliable connectivity in constrained environments. For more details, visit IC Manufacturer.
STM32WL31KBV6 Technical Specifications
| Parameter | Specification |
|---|---|
| Core | Arm? Cortex?-M4 32-bit, 48 MHz |
| Flash Memory | 192 KB |
| RAM | 48 KB |
| Sub-GHz Radio Frequency | 150 MHz to 960 MHz |
| Radio Modulation | LoRa?, (G)FSK, (G)MSK, BPSK |
| Operating Voltage | 1.8 V to 3.6 V |
| Operating Temperature Range | -40 ??C to +85 ??C |
| Package | 64-pin LQFP |
| Security Features | AES-128 encryption, True RNG |
| Power Consumption (RX) | Down to 4.5 mA |
STM32WL31KBV6 Key Features
- Integrated Arm Cortex-M4 core delivers efficient processing power for complex IoT applications while maintaining low energy consumption.
- Sub-GHz radio transceiver supports multiple modulation schemes, enabling flexible long-range wireless communication for diverse protocols.
- Advanced security functions such as AES-128 encryption and a true random number generator ensure robust data protection in industrial environments.
- Wide operating voltage and temperature range allow reliable performance in harsh conditions and battery-powered devices.
Typical Applications
- Smart metering systems requiring secure, long-range data transmission with minimal power consumption for extended battery life.
- Industrial sensor networks that rely on reliable wireless connectivity in challenging environments.
- Smart agriculture monitoring solutions leveraging LoRa? technology for widespread coverage and low power use.
- Asset tracking devices that benefit from integrated radio and microcontroller capabilities to optimize cost and size.
STM32WL31KBV6 Advantages vs Typical Alternatives
This wireless microcontroller offers a unique combination of integrated sub-GHz radio and Arm Cortex-M4 core, reducing overall system complexity and cost. It delivers superior power efficiency and flexible protocol support, enhancing connectivity range and reliability compared to discrete transceiver and MCU solutions. Its embedded security features provide enhanced data protection, making it advantageous for industrial and IoT applications demanding robustness and longevity.
🔥 Best-Selling Products
Texas Instruments BQ24075 Linear Battery Charger IC – 5mm x 4mm QFN Package
Texas Instruments INA219 Current Sensor Module – SOIC Package, Precision Monitoring
Texas Instruments LM4041 Precision Voltage Reference – SOT-23 Package
Texas Instruments OPA2134 Audio Op Amp – Dual, High-Performance, SOIC-8 Package
STM32WL31KBV6 Brand Info
The STM32WL31KBV6 is part of the STM32WL series developed by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in microcontrollers and wireless connectivity products tailored for IoT and industrial markets. The STM32WL family uniquely integrates sub-GHz radio transceivers with STM32 MCUs, enabling developers to build compact, low-power wireless applications efficiently. This product reflects the brand??s commitment to innovation, reliability, and comprehensive ecosystem support.
FAQ
What wireless protocols are supported by this microcontroller?
The device supports multiple sub-GHz wireless protocols including LoRa?, (G)FSK, (G)MSK, BPSK, and Wireless M-Bus, enabling versatile communication options for various IoT and industrial applications.
🌟 Featured Products
“Buy MAX9312ECJ+ Precision Voltage Comparator in DIP Package for Reliable Performance”
QCC-711-1-MQFN48C-TR-03-1 Bluetooth Audio SoC with MQFN48C Package
0339-671-TLM-E Model – High-Performance TLM-E Package for Enhanced Functionality
1-1415898-4 Connector Housing, Electrical Wire-to-Board, Receptacle, Packaged
What is the power consumption during reception mode?
In receive mode, the microcontroller consumes approximately 4.5 mA, making it suitable for low-power applications where battery life is critical.
Can this microcontroller operate in harsh temperature environments?
Yes, it operates reliably across an industrial temperature range from -40 ??C to +85 ??C, supporting deployment in demanding outdoor and industrial conditions.
