EFR32FG25B111F1152IM56-BR

RF Transceiver ICS Overview

The EFR32FG25B111F1152IM56-BR is a Sub-GHz RF System on Chip (SoC) from Silicon Labs, featuring an ARM Cortex-M33 core. It integrates 1152 kB of Flash and 256 kB of RAM within a QFN-56 package. The device supports data rates up to 2.4 Mbps with a maximum output power of 16 dBm and a receive sensitivity of -126.3 dBm. Operating voltage ranges from 1.71 V to 3.8 V, with current consumption of 6.28 mA in receive mode and 186 mA during transmission. It operates within a temperature range of -40°C to +125°C.

RF Transceiver ICS Feature Summary

• Integrated high-performance ARM Cortex-M33 processor for complex application execution
• Robust peripheral set including multiple GPIOs and serial interfaces for versatile connectivity
• Extended industrial temperature operation capability up to 125°C for harsh environments
• Secure Vault-High security features integrated into the SoC architecture

RF Transceiver ICS Applications

• Sub-GHz Wi-SUN applications for metering
• Lighting control systems
• Distribution automation networks

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'BR' indicates reel packaging when ordering. Confirm the 'B' variant designation corresponds to the Secure Vault-High security level and intended industrial temperature range. Ensure compatibility with existing PCB footprints for the QFN-56 package. Cross-reference the exact part number against the manufacturer's latest datasheet to confirm pinout and electrical specifications match the design requirements.

RF Transceiver ICS Selection Notes

Select this component for designs requiring Sub-GHz connectivity with high memory capacity. The 1152 kB Flash supports extensive firmware storage. The 16 dBm output power is suitable for medium-range communications. Consider the 2.4 Mbps data rate for throughput needs. The wide operating temperature range makes it suitable for outdoor or industrial deployments where thermal stability is critical.

RF Transceiver ICS Part Context

This part belongs to the EFR32 Gecko FG25 series, designed for Sub-GHz wireless IoT applications. It combines radio transceiver capabilities with a secure microcontroller. The series targets smart utility and industrial markets. The FG25 family emphasizes security and performance. This specific model offers a balance of memory and RF performance for demanding applications.

RF Transceiver ICS Replacement Considerations

Check for EFR32FG25A111F1152IM56-BR as a potential alternative if Secure Vault-High is not required. Verify pin-to-pin compatibility before substitution. Review differences in security features and temperature ratings between variants.