EFR32BG12 Bluetooth Low Energy Chips (SoCs)

EFR32BG12 Bluetooth® Chips (SoCs) for Low Energy and Bluetooth 5 and Bluetooth 5.1

Quickly deliver Bluetooth Low Energy or Bluetooth mesh connectivity with our EFR32BG12 Series 1 energy-friendly SoCs with feature rich peripherals, more available memory and a variety of package options with up to 65 GPIO. In addition to Bluetooth connectivity, EFR32BG12 devices include the option to add multiprotocol sub-GHz and 2.4 GHz. Take advantage of a Bluetooth SDK and Simplicity Studio development tools that support module-based and discrete circuit designs.

EFR32BG12 Common Specs

Bluetooth Low Energy Radio

Compatible With Bluetooth 5, Bluetooth 5.1 and Bluetooth mesh specification
Integrated BALUN & Power Amplifier
Excellent Receive Sensitivity: -94.8 dBm sensitivity @ 1 Mbit/s GFSK
Programmable Output Power: +19 dBm
Active-mode RX: 10 mA
Active-mode TX: 8.5 mA @ 0 dBm
Low Power Radio features include RFSENSE

Integrated 2.4 GHz & Sub-GHz Radio

Ideal for proprietary protocols, wireless M-BUS and Low Power Wide Area Network applications
Supported Modulations: GFSK, 2-FSK/4-FSK, OQPSK, DSSS, FEC, BPSK/DBSK, OOK/ASK
Integrated 2.4 GHz BALUN & Power Amplifier
Excellent Receive Sensitivity: - 120.6 dBm (2.4 kbps, 868 MHz)
Programmable Output Power: +20 dBm
Active-mode RX, 868 MHz: 8.6 mA
Active-mode TX at 14 dBm, 868 MHz: 35.3 mA
Antenna Diversity

Rich Analog and Digital Peripherals

AES256/128 Hardware Crypto Accelerator with ECC, SHA-1, SHA-2
ADC (12-bit, 1 Msps)
Current DAC (4-bit, Current Source or Sink)
2 X Voltage DAC
3 X Operational Amplifier
Low-Energy Sensor Interface
Multi-Channel Capacitive Sense Interface
2 X Analog Comparator
Low Energy UART
4 X USART (UART, SPI, IrDA, I2S)
2 X I²C (Address recognition down to EM3)
Timers : RTCC, LE Timer & Pulse Counter
12-channel Peripheral Reflex System
Up to 65 GPIO
PTA (Packet Traffic Arbitration) for Wi-Fi Coexistence

Energy Efficient Low Power Modes

Energy Mode 2 (Deep Sleep) Current: 1.5 µA
Ultra-fast wake up: 3 µS from EM3
Wide Supply Voltage range of 1.8 to 3.8 V

Powerful MCU & Memory Options

ARM® Cortex®-M4 + Floating-Point Unit
Up to 40 MHz Clock Speed
Low Active Mode Current: 70 µA/MHz
Up to 1024 kB of Programmable Flash
Up to 256 kB RAM

Package Options

BGA125 (7 mm x 7 mm)
QFN68 (8 mm x 8 mm)
QFN48 (7 mm x 7 mm)

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Pro Kit for Amazon Sidewalk

The Silicon Labs Pro Kit for Amazon Sidewalk is designed to support the development of Wireless IoT based devices on Bluetooth and Sub-GHz wireless protocols for Amazon Sidewalk. The Pro Kit includes a KG100S radio board that provides a complete reference design to support Bluetooth, FSK, and CSS protocols used in Amazon Sidewalk.

Pro Kit for Amazon Sidewalk