EFR32BG22 Bluetooth Low-Energy 5.2 SoC Family

Silicon Labs delivers Bluetooth low energy, mesh networking, and sub-one-meter direction-finding accuracy with BG22

Image of Silicon Labs EFR32BG22 Bluetooth Low-Energy 5.2 SoC FamilySilicon Labs' designed the EFR32BG22 (BG22) Wireless Gecko family of SoCs to meet the unique requirements of high-volume, battery-powered Bluetooth products. Featuring an ultra-low transmit and receive power (3.6 mA TX at 0 dBm, 2.6 mA RX) and a high-performance, low-power M33 core (27 µA/MHz active, 1.2 µA sleep) – BG22 delivers industry-leading energy efficiency that can extend coin cell battery life beyond five years.

Radio
  • Bluetooth 5.2
  • +6 dBm TX
  • -106.7 dBm RX (125 Kbps)
  • AoA and AoD
Ultra-Low Power
  • 3.5 mA TX (radio)
  • 2.6 mA RX (radio)
  • 1.4 µA EM2 with 32 kB RAM
  • 0.5 µA w/ RTC in EM4
World Class Software
  • Bluetooth 5.2
  • Bluetooth mesh LPN
  • Direction-finding
  • Apple HomeKit
Compact Size
  • 5x5 QFN40 (26 GPIO)
  • 4x4 QFN32 (18 GPIO)
  • 4x4 TQFN32 (18 GPIO)
Arm® Cortex®-M33 with TrustZone
  • 76.8 MHz
  • FPU and DSP
  • 352/512 kB of Flash
  • 32 kB RAM
Peripherals Fit for Purpose
  • 2x USART, 2x I²C, 2x PDM, and GPIO
  • 12-bit ADC (16 channels)
  • Built-in temperature sensor with +/-1.5°C
  • 32 kHz, 500 ppm PLFRCO eliminates crystal
Security
  • AES128/256, SHA-1, SHA-2 (256-bit)
  • ECC (up to 256-bit), ECDSA, and ECDH
  • True random number generator (TRNG)
  • Secure boot with RTSL
  • Secure debug with lock/unlock
Applications
  • Asset tags and beacons
  • Consumer electronics remote controls
  • Portable medical
  • Bluetooth mesh low-power nodes
  • Sports, fitness, and wellness devices
  • Connected homes
  • Building automation and security
Block Diagram (Click to Enlarge)
Image of Silicon Labs EFR32BG22 Diagram (Click to Enlarge)

Upcoming Webinar: Designing Secure Bluetooth 5.2 IoT Products with BG22

EFR32BG22 Wireless Gecko SoC Family

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
BLUE GECKO, TQFN32, SECURE BOOTEFR32BG22C224F512GN32-CBLUE GECKO, TQFN32, SECURE BOOT0View Details
BLUE GECKO, QFN32, SECURE BOOT WEFR32BG22C224F512IM32-CBLUE GECKO, QFN32, SECURE BOOT W0View Details
BLUE GECKO, QFN40, SECURE BOOT WEFR32BG22C224F512IM40-CBLUE GECKO, QFN40, SECURE BOOT W0View Details

Development Tools

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
EFR32XG22 WIRELESS GECKO STARTERSLWSTK6021AEFR32XG22 WIRELESS GECKO STARTER92 - ImmediateView Details
EFR32XG22 WIRELESS GECKO 2.4 GHZSLWRB4182AEFR32XG22 WIRELESS GECKO 2.4 GHZ190 - ImmediateView Details
EFR32XG22 WIRELESS GECKO 2.4 GHZSLWRB4183AEFR32XG22 WIRELESS GECKO 2.4 GHZ83 - ImmediateView Details
BG22 THUNDERBOARDSLTB010ABG22 THUNDERBOARD0View Details
Updated: 2020-03-23
Published: 2020-01-22