EFR32BG26 Series 2 Bluetooth® SoC

The EFR32BG26 Bluetooth SoCs are ideal for IoT wireless connectivity using Bluetooth Low Energy and Bluetooth mesh for smart home, lighting, and portable medical products. With key features like high-performance 2.4 GHz RF, low current consumption, an AI/ML hardware accelerator, and Secure Vault™, IoT device makers can create the smart, robust, and energy-efficient products that are secure from remote and local cyber-attacks. An ARM Cortex®-M33 running up to 78 MHz and up to 2048 kB of Flash and 256 kB of RAM provides resources for demanding applications while leaving room for future growth. Target applications include gateways/hubs, sensors, switches, smart plugs, LED lighting, and luminaires.

Supports Bluetooth 5.4, Bluetooth mesh & proprietary
Ideal for High-end battery-powered IoT devices

EFR32BG26 Common Specs

Low-Power Wireless System-on-Chip

  • High-performance 32-bit 78 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
  • Up to 2048 kB Flash program memory
  • Up to 256 kB RAM data memory
  • 2.4 GHz radio operation
  • Matrix Vector Processor for AI/ML acceleration

Radio Performance

  • -105.7 dBm sensitivity @ 125 kbps GFSK
  • -97.6 dBm sensitivity @ 1 Mbps GFSK
  • -94.9 dBm sensitivity @ 2 Mbps GFSK
  • TX power up to ±19.5 dBm

Low System Energy Consumption

  • 5.4 mA RX current (1 Mbps GFSK)
  • 6.0 ma TX current @ 0 dBm output power
  • 19.0 mA TX current @ 10 dBm output power
  • 152.8 mA TX current @ 19.5 dBm output power
  • 56.6 μA/MHz in Active Mode (EM0) at 39.0 MHz
  • 1.4 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)

Wide Selection of MCU Peripherals

  • Analog-to-Digital Converter (IADC)
    • 12, 16, or 20-bit output
    • Select OPNs support High Speed Mode (up to 2 Msps) and High Accuracy Mode (up to 16 bits ENOB at 3.8 ksps)
  • 2 × Analog Comparator (ACMP)
  • 2 -Channel Digital-to-Analog Converter (VDAC)
  • Up to 64 General Purpose I/O pins with output state retention and asynchronous interrupts
  • 8 Channel DMA Controller
  • 20 Channel Peripheral Reflex System (PRS)
  • 6 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4/5/6/7)
  • 4 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1/8/9)
  • 2 x 32-bit Real Time Counter (SYSRTC/BURTC)
  • 24-bit Low-Energy Timer for waveform generation (LETIMER)
  • 16-bit Pulse Counter with asynchronous operation (PCNT)
  • 2 × Watchdog Timer (WDOG)
  • 3 × Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
  • 4 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/IrDA
  • 4 × I2C interface with SMBus support
  • Low-Frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
  • Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
  • Integrated Low-Energy LCD Controller supporting up to 4 x 40 segments (LCD)
  • Die temperature sensor with typical +/- 1.5 °C accuracy after single-point calibration

Supported Modulation Format

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

Protocol Support

  • Bluetooth Low Energy (Bluetooth 5.4)
  • Bluetooth mesh
  • Proprietary 2.4 GHz

Wide Operation Range

  • 1.71 to 3.8 V single power supply
  • -40 to 125 °C

Packages

  • QFN48 6 × 6 × 0.85 mm
  • QFN68 8 × 8 × 0.85 mm
  • BGA136 7 x 7 x 0.82 mm

 

BG26 Security Features

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