At its recent Works With Summit event, Silicon Labs announced the general availability of the first products in its new Series 3 platform: the SiMG301 and SiBG301 wireless SoCs. These devices are the first in the SixG301 family, targeting compute-intensive IoT applications.
The SiMG301 is also among the first devices certified under the recently announced Connectivity Standards Alliance’s (CSA) Matter Compliant Platform Certification program. The Series 2 MG24 and MG26 SoCs will also be included in the Matter Compliant Platform Certification program.
The Series 3 devices complement the Series 2 platform. While the Series 2 devices target ultra-low-power endpoints, Series 3 can be adopted for more demanding designs that call for advanced features without changing ecosystems, tools, or support models. The SiXG301 devices also recently achieved the industry’s first PSA Level 4 certification, the highest security level recognized by PSA Certified.
SiMG301 and SiBG301 wireless SoCs
The Series 3, consisting of the SiMG301 and SiBG301, is built on an advanced 22-nm process, and introduces a multi‑core architecture that separates application, wireless, and security workloads. This provides headroom for growing protocol stacks and emerging compute-intensive use cases at the edge, Silicon Labs said.
(Source: Silicon Labs)
The SiMG301 multiprotocol wireless SoC supports concurrent Zigbee, Bluetooth LE, and Matter over Thread. It is suited for smart lighting, and other Matter-focused switches, sensors, and controllers. An integrated LED pre‑driver reduces external components, bill-of-materials cost, and board space in line‑powered designs.
The Bluetooth-optimized SiBG301 targets Bluetooth LE applications and delivers an easy migration path from Series 2 Bluetooth designs. It is designed for line-powered smart devices including LED lighting, plugs, and switches.
Both devices provide Flash/RAM headroom with up to 4-MB Flash and 512-kB RAM. They both include Silicon Labs’ PIXELRZ single-wire communication interface for LED controller ICs as well as a LED pre-driver that enables low level and consistent dimming.
The SiMG301 and SiBG301 are available today from Silicon Labs and authorized distributors. Also available are evaluation kits, reference applications, and a guided Matter Developer Journey, including certification checklists and lab‑ready test projects to accelerate product development and certification.
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