EFR32BG21 Series

Wireless Chipset by Silicon Labs (48 more products)

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EFR32BG21 Series Image

The EFR32BG21 Series from Silicon Labs are 2.4 GHz Wireless SOCs optimized for line-powered Bluetooth Low Energy and Bluetooth Mesh applications, including connected lighting, smart plugs, gateways and voice assistants. They deliver up to +20 dBm of output power and have a receive sensitivity better than -104 dBm. The SoC series provides a robust RF link of up to 124 dBm to ensure reliable long-range Bluetooth applications.

The EFR32BG21 SoC uses an 80 MHz ARM® Cortex®-M33 core, which provides plenty of processing capability and a dedicated security core that provides faster encryption, secure boot loading and debug access control. These SoCs are available in a 32-pin, 4 x 4 mm OFN package.

Product Specifications

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Product Details

  • Part Number
    EFR32BG21 Series
  • Manufacturer
    Silicon Labs
  • Description
    2.4 GHz Wireless SoC for BLE, Bluetooth 5.1 and Bluetooth Mesh Applications

General Parameters

  • Application
    IoT
  • Technology
    Bluetooth
  • Frequency
    2400 to 2483 MHz
  • Bluetooth Standard
    Bluetooth V5.1
  • Bluetooth Low Energy
    Yes
  • Data Rate
    125 kbps to 2 Mbps
  • Output Power
    Up to 20 dBm
  • Sensitivity
    -104.9 to -94.4 dBm
  • Voltage
    1.71 to 3.8 V
  • Current Rx
    8.8 mA
  • Current Tx
    9.3 to 33.8 mA
  • Flash
    Up to 1024 kB
  • Interface
    I2C, UART, SPI
  • Mesh
    Yes
  • RAM
    Up to 96 kB
  • Dimension
    4 mm x 4 mm
  • Package
    QFN32
  • Operating Temperature
    -40 to 125 Degree C
  • Storage Temperature
    -50 to 150 Degree C

Technical Documents