Wireless SoC Design Enables Zigbee Green Power IoT Devices

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  • Silicon Labs Expands Zigbee Portfolio with Series 2 SoCs Optimized for Ultra-Low-Power Applications
  • These designs are optimized to provide a best-in-class connectivity solution for power-sensitive wireless applications

Silicon Labs announced a new family of secure, ultra-low-power Zigbee system-on-chip (SoC) devices. These devices are designed for eco-friendly IoT products deployed in mesh networks.

According to the company, The EFR32MG22 (MG22) family expands Silicon Lab’s Zigbee portfolio by delivering the smallest, lowest power SoCs optimized for Zigbee Green Power applications. It is based on Silicon Labs’ Wireless Gecko Series 2 platform.

Uses Zigbee 3.0 protocols

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For the hardware, the design uses the same 802.15.4 PHY and MAC of Zigbee 3.0 protocol. Zigbee Green Power further reduces power consumption by decreasing the amount of data required for wireless transmission.

Features deep-sleep power mode

The MG22 SoCs incorporates a 76.8 MHz Arm Cortex-M33 core with TrustZone technology. It is a combination of low transmit and receive power (8.2 mA TX at +6 dBm, 3.9 mA RX). It features a deep-sleep power mode that consumes a current of up to 1.4 µA. This helps in creating an energy-efficient device.

Energy-friendly Zigbee Green Power technology can help in addressing environmental concerns by reducing residential, commercial and industrial energy footprints. The technology target one IoT device at a time.

Optimised for “battery-less” energy harvesting

Zigbee Green Power was designed to be a highly efficient protocol enabling IoT devices, whether powered by batteries or by “battery-less” energy harvesting options.

Silicon Labs optimized these new SoC’s to provide a best-in-class connectivity solution for power-sensitive wireless applications.

Matt Johnson, senior vice president and general manager of IoT products at Silicon Labs, recently talked about the product saying,

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As the leading Zigbee provider, Silicon Labs is uniquely positioned to lead the way in Zigbee Green Power mesh networking solutions. Our new MG22 SoC solution offers an industry-leading combination of energy efficiency, security capabilities, wireless performance, and software tools and stacks to meet the growing market demand for eco-friendly, ultra-low-power IoT products.

Can run on coin cell batteries

The MG22 SoC is an ideal choice for Zigbee devices powered by coin cell batteries or energy-harvesting sources. The target applications for this module include smart home sensors, lighting controls, and building and industrial automation.

 


 

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