Back to Silicon Labs

Silicon Labs SixG301 Ultra-Low Power IoT Wireless SoCs

Silicon Labs SixG301 Ultra-Low Power IoT Wireless SoCs are specially designed for line-powered smart devices and applications. The modules feature an integrated LED pre-driver, 4MB flash, and 512KB RAM. The SixG301 family includes the SiBG301 devices for BLUETOOTH®, Bluetooth mesh, and proprietary 2.4GHz applications, and the SiMG301 series for Bluetooth, Matter, Thread, Zigbee®, dynamic multiprotocol, and concurrent multiprotocol applications. Both types are based on a 32-bit Arm® M33® core with 150MHz maximum operating frequency and offer a high-performance radio with up to +10dBm output power. Silicon Labs SixG301 Ultra-Low Power IoT Wireless SoCs provide an ideal solution for building automation, smart lighting, and smart home products.

Features

  • Optimized for LED lighting applications
  • 32-bit Arm M33 core with 150MHz maximum operating frequency
  • Up to 4MB of flash and 512KB of RAM
  • High-performance radio with up to +10dBm output power
  • Secure Vault™ High
  • LED pre-driver
  • PIXELRZ interface
  • Enhanced PWM
  • Variants
    • SiBG301: Bluetooth, Bluetooth mesh, and proprietary 2.4GHz applications
    • SiMG301: Bluetooth, Matter, Thread, Zigbee, dynamic multiprotocol, and concurrent multiprotocol applications

Applications

  • Smart homes
    • Smart plugs
    • Switches
  • Building automation
    • Smart plugs
    • Switches
  • Smart lighting
    • LED bulbs
    • LED fixtures
    • Luminaires

Specifications

  • 150MHz maximum clock frequency
  • 32-bit data bus width
  • 12-bit ADC resolution
  • 384kB or 512kB data RAM size options
  • 2MB or 4MB program memory size options
  • 1.8V to 3.63V operating supply voltage range
  • 150MHz operating frequency
  • 10dBm output power
  • 17x to 28x I/Os
  • I2C and SPI interfaces
  • QFN-32 and QFN-40 package options

Datasheets

Additional Resources

Videos

Application Example

Infographic - Silicon Labs SixG301 Ultra-Low Power IoT Wireless SoCs

Related SoCs

Silicon Labs SiXG302 Ultra-Low Power IoT Wireless SoCs

For battery-powered devices, advances energy efficiency, security, compute power, and integration.

Learn Moreabout Silicon Labs SiXG302 Ultra-Low Power IoT Wireless SoCs

Development Tools

Silicon Labs SiXG301 Explorer Kit

Development and evaluation platform for the SixG301 Wireless System-on-Chip (SoC).

Learn Moreabout Silicon Labs SiXG301 Explorer Kit View Productsrelated to Silicon Labs SiXG301 Explorer Kit

Silicon Labs SiXG301 2.4GHz +10dBm Radio Boards

Platforms enabling familiarity with the SixG301 Wireless Gecko System-on-Chip (SoC).

Learn Moreabout Silicon Labs SiXG301 2.4GHz +10dBm Radio Boards View Productsrelated to Silicon Labs SiXG301 2.4GHz +10dBm Radio Boards
Published: 2025-05-27 | Updated: 2026-01-19