EFR32BG22L Series 2 Bluetooth® Wireless SoC

Coming Soon

The BG22L Bluetooth low energy solution is a cost-effective SoC designed for connectionless applications. It utilizes low power RF technology and Secure Vault™ Mid to deliver exceptional battery life and robust security, allowing connectionless tags to function seamlessly for up to 10 years on a single coin cell battery. The pin-compatibility of this SoC with other device families in the Silicon Labs Bluetooth portfolio allows customers to seamlessly migrate to SoCs with expanded memory, higher clock speeds, and extended temperature range. Ideal for various applications, the BG22L provides efficiency and reliability, making it suitable for Bluetooth mesh low-power nodes, asset tracking tags, and personal healthcare devices.

Efr32bg22l block diagram
Supports Bluetooth 5.4
Ideal for ultra-low-power battery-powered IoT devices

EFR32BG22L Common Specs

Low Power Wireless System-on-Chip

  • High Performance 32-bit 38.4 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  • Up to 352 kB flash program memory
  • Up to 24 kB RAM data memory
  • 2.4 GHz radio operation

Radio Performance

  • -98.9 dBm sensitivity @ 1 Mbit/s GFSK
  • TX power up to +6 dBm

Low System Energy Consumption

  • 3.6 mA RX current (1 Mbps GFSK)
  • 4.1 mA TX current @ 0 dBm output power
  • 8.2 mA TX current @ 6 dBm output power
  • 27 μA/MHz in Active Mode (EM0) at 76.8 MHz
  • 1.20 μA EM2 DeepSleep current (8 kB RAM retention)
  • 0.17 μA EM4 current

Wide Selection of MCU Peripherals

  • 16-bit Analog to Digital Converter (ADC)
  • Up to 18 General Purpose I/O pins with output state retention and asynchronous interrupts
  • 8 Channel DMA Controller
  • 12 Channel Peripheral Reflex System (PRS)
  • 4 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 1 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels
  • 32-bit Real Time Counter
  • 24-bit Low Energy Timer for waveform generation
  • 1 × Watchdog Timer
  • 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)
  • 1 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART)
  • 1 × I2C interface with SMBus support
  • Digital microphone interface (PDM)
  • Precision Low-Frequency RC Oscillator to replace 32 kHz sleep crystal
  • RFSENSE with selective OOK mode
  • Die temperature sensor with +/-1.5 °C
    accuracy after single-point calibration

Supported Modulation Format

  • 2 (G)FSK with fully configurable shaping
  • OQPSK DSSS
  • (G)MSK

Protocol Support

  • Bluetooth Low Energy (Bluetooth 5.4)
  • Direction finding (AoA Transmitter)
  • Bluetooth mesh

Wide Operation Range

  • 1.71 V to 3.8 V single power supply
  • -40 °C to 85 °C

Packages

  • QFN32 4 mm ×4 mm × 0.85 mm

Security Features

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