Silicon Labs Series 3 IoT Portfolio: A New Era of IoT Performance

Introducing the Series 3 portfolio, setting a new standard for compute power, integration, security, and energy efficiency for line- and battery-powered IoT devices.

SiXG301: Optimized for Line-Powered Applications

Ideal for advanced LED lighting and smart home devices.

  • Purpose-built for line-powered smart devices.
  • Integrated LED pre-driver for streamlined lighting designs.
  • Multi-protocol support: Bluetooth, Zigbee, Thread, and Matter.
  • High memory capacity: 4 MB Flash and 512 kB RAM for future-proofing.
  • Series 3 Secure Vault™: PSA Level 4 certified.
  • Concurrent multi-protocol operation:
    • Enables simultaneous Zigbee, Bluetooth, and Matter over Thread.
    • Simplifies manufacturing SKUs.
    • Reduces BOM cost and board space.
    • Enhances user experience and interoperability.

Production status: Already in use by key customers.

General availability: Expected Q3 2025.

Image: A close-up of a Silicon Labs SiXG301 integrated circuit chip, displaying the 'SILICON LABS' logo and 'SIXG301' model number.

SiXG302: Designed for Battery-Powered Efficiency

Perfect for ultra-low-power wireless sensors and actuators.

  • Extends Series 3 to battery-powered IoT applications.
  • Industry-leading energy efficiency:
    • Uses just 15 μA/MHz active current.
    • Delivers 30% lower power consumption than competitive devices.
  • Maintains performance without compromising battery life.
  • Optimized for:
    • Matter-based devices.
    • Bluetooth-enabled sensors and actuators.
  • Built on Silicon Labs' advanced power architecture.

Customer sampling: Expected in 2026.

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