EFR32FG25B212F1920IM56-BR

RF Transceiver ICS Overview

The EFR32FG25B212F1920IM56-BR is a sub-GHz System on Chip (SoC) from the Flex Gecko family, designed for long-range IoT applications. It integrates a 32-bit ARM Cortex-M33 core operating at up to 97.5 MHz with 1920 KB of flash and 512 KB of RAM. The device features a high-performance radio supporting FSK and O-QPSK modulation, delivering a maximum output power of 16 dBm. It operates within a voltage range of 1.71 V to 3.8 V and supports an extended temperature range of -40°C to +125°C. Packaged in a 56-VFQFN exposed pad, it provides 36 GPIOs and interfaces including I2C, SPI, and UART.

RF Transceiver ICS Feature Summary

• Integrates a secure ARM Cortex-M33 processor with high-speed memory for complex application execution
• Delivers robust sub-GHz connectivity with optimized range and interference immunity
• Supports multiple modulation schemes including FSK and O-QPSK for flexible protocol implementation

RF Transceiver ICS Applications

• Sub-GHz Wi-SUN metering and distribution automation
• Smart lighting control systems
• Industrial sensor networks requiring long-range communication

RF Transceiver ICS Procurement Notes

Verify the specific suffix BR indicates tape-and-reel packaging when sourcing components. Confirm that the B variant aligns with required sub-GHz frequency bands for your target region. Ensure compatibility with the 56-pin QFN footprint during PCB layout finalization. Cross-reference the manufacturing date code against current production lifecycle notices to ensure supply stability.

RF Transceiver ICS Selection Notes

Select this model for applications prioritizing range over data rate in the sub-GHz spectrum. The 16 dBm output power supports extensive coverage areas compared to lower-power variants. The inclusion of a Cortex-M33 core allows for advanced security and protocol processing without external microcontrollers. Consider the 512 KB RAM capacity for complex stack implementations.

RF Transceiver ICS Part Context

This component belongs to the Silicon Labs EFR32FG25 Flex Gecko series, targeting sub-GHz wireless IoT markets. It complements other FG25 variants by offering specific memory and GPIO configurations tailored for utility and industrial sectors. The series emphasizes low power consumption alongside high performance for battery-operated devices.

RF Transceiver ICS Replacement Considerations

Direct substitutes include other EFR32FG25 models with identical pinouts but differing memory or RF specifications, such as the EFR32FG25A211F1920IM56-BR. Verify that alternative part numbers support the same sub-GHz bands and modulation requirements before substitution.