Silicon Labs EFR32xG27 Small 2.4GHz Wireless SoCs

Silicon Labs EFR32xG27 Small 2.4GHz Wireless SoCs are single-die solutions combining a 76.8MHz Cortex-M33 with a high-performance 2.4GHz radio to provide energy-efficient, wireless SoCs for IoT-connected applications. The EFR32BG27 SoCs (WLCSP and QFN packaged) enable BLUETOOTH® 5.x networking, while the EFR32MG27 components (QFN packaged) permit multiprotocol networking. These devices have boost or buck DC-DC capabilities, allowing for direct power from various battery sources.

Features

  • 32-bit Arm® Cortex®-M33 core with 76.8MHz maximum operating frequency
  • 768kB of flash and 64kB of RAM
  • Energy-efficient radio core with low active and sleep currents
  • Integrated PA with up to 8dBm (2.4GHz) TX power
  • Secure Boot with Root of Trust and Secure Loader (RTSL)
  • Pin compatibility/feature superset with EFR32xG22
  • DC-DC supporting buck (1.8V to 3.8V) or boost (0.8V to 1.7V) operation
  • Available in WLCSP and QFN packaging

Applications

  • EFR32BG27
    • Portable medical
    • Home end devices
    • Fleet/asset monitoring
    • Industrial automation
    • Access control
    • Bluetooth mesh
    • Sports, fitness, and wellness devices
    • Power tools
  • EFR32MG27
    • Home end devices
    • Mesh networking
    • Fleet/asset monitoring
    • Industrial automation
    • Access control
    • Power tools

Specifications

  • 2.4GHz operating frequency
  • 768kB program memory size
  • 65kB data RAM size
  • Supply voltage ranges
    • 1.8V to 3.8V with Buck DC-DC
    • 0.8V to 1.7V with Boost DC-DC
  • 76.8MHz maximum clock frequency
  • -106.7dBm sensitivity
  • Supply current
    • 4mA receiving
    • 11.3mA transmitting
  • -40°C to +125°C operating temperature range

Block Diagram

Block Diagram - Silicon Labs EFR32xG27 Small 2.4GHz Wireless SoCs
Yayınlandı: 2023-06-27 | Güncellenmiş: 2025-12-19