description STMicroelectronics BlueNRG-2N Overview
The STMicroelectronics BlueNRG-2N is a Bluetooth® 5.0 System on Chip designed for low power applications. It supports Bluetooth mesh networking, enabling robust connectivity in industrial environments. This dual-core SoC integrates seamlessly with the STM32 microcontroller ecosystem and is ideal for developers creating sensor networks and control systems within industries like automation and IoT.
help STMicroelectronics BlueNRG-2N FAQ
Is the BlueNRG-2N a standalone microcontroller or a companion chip for STM32?
It's positioned primarily as a Bluetooth Low Energy network processor that pairs with an STM32 host over a serial interface, running ST's pre-certified BLE stack. That division of labor frees your main MCU from radio duty while keeping one cohesive ST ecosystem.
Does the BlueNRG-2N support Bluetooth Mesh for industrial sensor networks?
Yes — it's a Bluetooth 5.0-qualified SoC and ST's stack supports Bluetooth Mesh, which is used for many-to-many networks like industrial lighting and sensor fleets. Mesh lets every node relay messages, extending coverage across a factory floor without a hub per device.
How power-efficient is the BlueNRG-2N for battery-powered devices?
Sleep currents are in the microamp range per ST's datasheet, making coin-cell and energy-harvesting designs realistic. Combined with the duty-cycled nature of BLE advertising, battery life in months or years is achievable for sensor beacons.
What development tools does ST provide for the BlueNRG-2N?
ST supplies a software development kit with the certified Bluetooth stack along with STEVAL evaluation boards for prototyping. Because the stack ships Bluetooth-qualified, you save the cost and time of certifying the radio yourself in the final product.
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