Silicon Labs has moved to 22nm for its latest series of wireless MCUs for IoT nodes. Announced today, there are parts for Zigbee, Bluetooth and Matter-over-Thread, and for mains or battery power. SixG301 is the mains-powered (line-powered) family, where ‘x’ becomes ‘B’ for the Bluetooth LE (and Bluetooth mesh) focussed variant, or ‘M’ for multi-protocol types. Concurrent multi-protocol operation will ...
Silicon Labs
Silicon Labs news tracks updates from the IoT-focused semiconductor company known for energy-efficient MCUs, wireless SoCs, and sensor platforms. Key innovations include Matter-compliant smart home chips, secure wireless modules, and low-power connectivity solutions for industrial and consumer applications. Silicon Labs plays a central role in advancing Zigbee, Bluetooth, and Wi-Fi integration. For Electronics Weekly readers, news from Silicon Labs offers critical insights into embedded design, wireless communication, and the growing ecosystem of smart, connected devices.
Spin that fan and get up to speed with Matter via Arduino
Must admit I'm not up to speed with Matter, a way to standardise IoT elements. So it's welcome to see a basic introductory tutorial on using the wireless protocol on the Arduino website.
Bluetooth MCUs for asset tracking, and sub-metre item finding
Silicon Labs has announced a pair of Bluetooth-enabled microcontroller families, to be available in Q2 this year: BG22L (diagram right) devices are aimed at asset tracking tags and personal healthcare devices, and support Bluetooth 5.4 and Bluetooth Direction Finding. Processing power comes from a 38.4MHz Arm Cortex-M33 processor with up to 352kbyte of flash and up to 24kbyte of ram ...
Silicon Labs crafts wireless MCUs for harvested power
Silicon Labs is aiming at battery-free harvested energy applications with xG22E, a family of wireless microcontrollers covering Bluetooth Low Energy, 802.15.4 or proprietary 2.4 GHz links. “As Silicon Labs’ most energy-efficient SoCs to date, all three will enable IoT device makers to build wireless devices for battery-optimised and battery-free devices that can harvest energy from external sources in their environments ...
Arduino, Silicon Labs partner for Matter software and Nano hardware
One for those keeping an eye on Matter, the connectivity standard for smart devices and the IoT: Arduino is partnering with Silicon Labs to better enable development of "Matter over Thread" applications for Arduino devices.
50MHz 8051 MCUs
Silicon Labs has built a family of 8bit microcontrollers around its 8051-based CIP-51 core, running at 50MHz. “The BB5 family supports voltage options from 1.8 to 5.5V, allowing them to last for years in the field on a coin-cell battery,” according to the company. “They also come in a variety of packing sizes, from 2 x 2mm for BB50, while ...
Wireless MCUs for ‘the smallest IoT devices’
Silicon Labs has announced wireless microcontrollers built around Arm’s security-enabled Cortex M33 processor. “Designed for the smallest IoT devices, the xG27 family ranges in size from 2mm-squared to 5 mm-squared. These offer designers energy efficiency, performance, trusted security and wireless connectivity,” according to the company. Such as “connected medical devices, wearables, asset monitoring tags and simple consumer electronics like toothbrushes ...
IC’s offer Wi-Sun metropolitan coverage and battery-powered Wi-Fi 6
In a flurry of announcements alongside its developer converence, Silicon Labs has revealed a chip set for metropolitan Wi-Sun radio, a low-power IC for battery-powered Wi-Fi 6 links and a hardware-software development kit for Amazon Sidewalk. Wi-Sun For Wi-Sun (which is wireless smart utility network), and proprietary sub-GHz protocols, in cities and other built-up environments, it announced an RF microcontroller ...
AI accelerator in 2.4GHz wireless MCU for Matter and Bluetooth
Silicon Labs has introduced a wireless microcontroller with a hardware AI accelerator that can work with Matter, Zigbee, OpenThread, Bluetooth Low Energy and Bluetooth mesh. It comes along with a software tool kit for machine learning. Called EFR32MG24, “this new hardware and software platform will help bring AI and ML applications and wireless to battery-powered edge devices,” according to the company. ...
Low-jitter crystal oscillators and VCXOs are small for optical modules
Silicon Labs has introduced a family of small crystal oscillators (2.5 x 3.2mm option) and voltage-controlled crystal oscillators (VCXOs) for applications that require low jitter and frequency-flexible clock synthesis. Si54x/6x ‘Ultra’ oscillators can have jitter as low as 80fs “providing jitter margin for applications including data centre interconnect, optical transport, broadcast video, test and measurement”, according to the company. Si54x ...