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Nordic Semiconductor Integrates Edge AI in nRF71 Series

Nordic Semiconductor has taken a bold leap in wireless technology with the introduction of the nRF71 Series—the latest in ultra-low-power Systems-on-Chip (SoC). This innovation brings forth a unique combination of Wi-Fi, Bluetooth LE, Thread, and Edge AI into a single chip, aimed at battery-powered devices. By achieving up to twenty times lower standby power consumption compared to its predecessor, the nRF70 series, this development is set to redefine the landscape of connected devices.

Key Features and Benefits

The nRF71 Series stands out for several key features:

• - Integrated AI Capabilities: This cutting-edge series includes the Axon Neural Processing Unit (NPU), facilitating on-device AI inference. This allows devices to execute AI tasks such as keyword detection, anomaly detection, and image classification without external processors, which enhances response time and energy efficiency.
• - Dual Radio Architecture: The nRF71 series' innovative design implements two independent radios—one for Wi-Fi and another for multi-protocol connections like Bluetooth LE and Thread. This dual operation allows devices to maintain seamless cloud connectivity while also being aware of Bluetooth LE or Thread traffic simultaneously, showcasing the chip's multitasking capabilities.
• - Energy Efficiency: Excelling in energy management, the nRF71 Series is tailored for smart home applications, wearables, and industrial IoT devices. Its low-power design means devices can operate for years on a single battery charge, making it an ideal solution for the growing demand for sustainable tech.

Implications for Smart Device Development

Kjetil Holstad, Executive Vice President of Wi-Fi and Energy Management at Nordic Semiconductor, highlighted the potential of the nRF71 series in transforming battery-powered Wi-Fi devices. He notes that "the integration of AI eliminates previously insurmountable energy barriers. Developers can now leverage familiar tools and software to create the next generation of intelligent products that are not only connected but also capable of making decisions independently."

The introduction of Edge AI in devices means that more processes can run locally, reducing the need for constant cloud communication, which is not only faster but more energy-efficient. This shift allows developers to focus on enhancing user experience while building software that responds to real-time needs without draining resources.

Applications Across Various Sectors

The nRF71 series is designed to cater to a wide array of applications:

• - Smart Home Devices: Battery-powered hubs, smart locks, and security panels can now function with improved connectivity and intelligence, supporting Matter compatibility for seamless integration in smart homes.
• - Wearables: Health monitors can utilize AI to offer more personalized and immediate insights, enhancing consumer health and fitness experiences.
• - Industrial IoT: Sensors and devices within industrial settings can now harness battery-efficient connectivity, making smart factories more interconnected and responsive.

Initial Launch and Availability

The initial offerings in this series include the nRF7120 and nRF7120E models. The nRF7120 supports dual-band Wi-Fi 6, while the nRF7120E enhances capabilities with triple-band Wi-Fi 6E connectivity and the Axon NPU, further optimizing AI execution. Both chips come equipped with 4 MB of integrated flash memory and 1 MB of accessible RAM for user applications.

Nordic Semiconductor plans to showcase the nRF71 series at the upcoming Electronica trade fair, demonstrating their commitment to innovation and leadership in the low-power wireless solutions arena. The series is currently available for evaluation by select clients, paving the way for developers eager to explore its potential.

Conclusion

As Nordic Semiconductor continues to pioneer advancements in wireless technology with the nRF71 Series, the integration of edge AI into battery-powered devices represents a significant step towards more intelligent, efficient, and sustainable smart technologies. By bridging the gap between power management and connectivity, Nordic Semiconductor provides the essential foundation for future innovations in the Internet of Things.