EFR32FG25A211F1920IM56-BR

RF Transceiver ICS Overview

The EFR32FG25A211F1920IM56-BR is a Sub-GHz RF System on a Chip from Silicon Labs, designed for low-power IoT applications. It features an ARM Cortex-M33 core operating at up to 78 MHz. The device integrates 1920 kB of flash memory and 512 kB of RAM. It supports FSK and O-QPSK modulation schemes with a maximum data rate of 2 Mbps. The radio operates in frequency bands including 868 MHz, 915 MHz, and 920 MHz, delivering up to +20 dBm output power. It functions within a voltage range of 1.71 V to 3.8 V and withstands temperatures from -40°C to +125°C. The component is housed in a QFN-56 package.

RF Transceiver ICS Feature Summary

• Integrates high-capacity non-volatile memory and substantial static random-access memory for complex protocol stacks.
• Supports high-output power transmission capabilities suitable for long-range communication links.
• Operates across multiple global Sub-GHz frequency bands to ensure regional regulatory compliance.
• Features an industrial-grade temperature rating for reliable performance in harsh environments.

RF Transceiver ICS Applications

• Sub-GHz Wi-SUN metering networks
• Smart lighting infrastructure control
• Distribution automation systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'BR' indicates the reel packaging configuration when placing orders. Confirm that the A211 variant matches the required Sub-GHz frequency band for your target region. Ensure the QFN-56 footprint aligns with your PCB layout constraints. Cross-reference the full part number against official Silicon Labs documentation to confirm current production status and availability before finalizing procurement plans.

RF Transceiver ICS Selection Notes

Select this model if your application requires extensive code storage due to complex mesh networking protocols. The 1920 kB flash capacity accommodates large firmware images without external memory. Choose this SoC over lower-flash variants when running simultaneous Sub-GHz and other wireless protocols. Consider the +125°C rating for outdoor or industrial enclosures where thermal management is limited.

RF Transceiver ICS Part Context

This component belongs to the EFR32FG25 Gecko series, which targets Sub-GHz wireless applications. It complements the broader EFR32 family by offering specialized low-frequency connectivity options. The FG25 series is engineered for utility and industrial sectors requiring robust, long-range communication capabilities compared to 2.4 GHz counterparts.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.