Silicon Labs EFR32BG26 Series 2 BLUETOOTH® SoCs

Silicon Labs EFR32BG26 Series 2 BLUETOOTH® System-on-Chips (SoCs) run up to 78MHz, up to 3200kB of flash, and 512kB of RAM, making them ideal for demanding applications. These SoCs are suitable for IoT wireless connectivity using Bluetooth Low Energy and Bluetooth Mesh for lighting, smart homes, and portable medical products. Key features for these SoCs include low current consumption, an AI/ML hardware accelerator, and Secure Vault™ technology, ensuring they are secure from remote and local cyber attacks. Silicon Labs EFR32BG26 Series 2 Bluetooth SoCs are suitable for switches, door locks, LED lighting, blood glucose meters, and pulse oximeters.

Features

Supports Bluetooth 5.4, Bluetooth Mesh, and proprietary 2.4GHz
Ideal for high-end battery-powered IoT devices

Applications

Gateways
Hubs
Sensors
Switches
Door locks

Smart plugs
LED lighting
Luminaires
Blood glucose meters
Pulse oximeters

Specifications

Low-power wireless SOC
- High-performance 32-bit 78MHz Arm® Cortex®-M33
- Up to 3200kB flash program memory
- Up to 512kB RAM data memory
- 2.4GHz radio operation
- Matrix vector processor for AI/ML acceleration
Radio performance
- -105.7dBm sensitivity at 125kbps GFSK
- -97.6dBm sensitivity at 1Mbps GFSK
- -94.9dBm sensitivity at 2Mbps GFSK
- TX power up to ±19.5dBm
Low system energy consumption
- 5.6mA RX current (1Mbps GFSK)
- 6.2mA RX current (250kbps O-QPSK DSSS)
- 5.74ma TX current at 0dBm output power
- 19.5mA TX current at 10dBm output power
- 144.1mA TX current at 19.5dBm output power
- 49.7μA/MHz in active mode (EM0) at 39.0MHz
- 1.3μA EM2 deep-sleep current (16kB RAM retention and RTC running from LFRCO)

Protocol support
- Bluetooth Low Energy (Bluetooth 5.4)
- Bluetooth Mesh
- Proprietary 2.4GHz
Operation range
- 1.71V to 3.8V single power supply
- -40°C to +125°C operating temperature range
Packages
- QFN48: 6mm × 6mm × 0.85mm
- QFN68: 8mm × 8mm × 0.85mm
- BGA136: 7mm x 7mm x 0.82mm
Security
- True random number generator (TRNG)
- Arm TrustZone®
- Secure boot (root of trust secure loader)
- Secure debug unlock
- DPA countermeasures
- Secure key management with PUF
- Anti-tamper
- Secure attestation