EFR32FG14P231F256GM48-BR

RF Transceiver ICS Overview

The EFR32FG14P231F256GM48-BR is a Sub-GHz RF System-on-Chip from Silicon Labs, integrating an ARM Cortex-M4 microcontroller with a high-performance radio. It features 256 kB of flash memory and 32 kB of RAM, housed in a QFN-48 package. The device supports IEEE 802.15.4g protocols and delivers a maximum output power of 19 dBm. Key electrical specifications include a receive sensitivity of -120.6 dBm, operating voltage range of 1.8 V to 3.8 V, and a maximum clock frequency of 40 MHz.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M4 processor with a Sub-GHz transceiver for unified processing and communication.
• Supports IEEE 802.15.4g protocol stack implementation for robust wireless connectivity.
• Provides high transmit power capability up to 19 dBm for extended range applications.

RF Transceiver ICS Applications

• Smart metering infrastructure
• Industrial sensor networks
• Home automation systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'BR' indicates the tape-and-reel packaging configuration when ordering. Confirm that the component meets RoHS compliance requirements for your target market. Ensure the procurement channel provides valid traceability documentation. Cross-reference the full part number against official Silicon Labs distributors to avoid counterfeit components. Validate that the supply source guarantees authenticity for this specific silicon revision.

RF Transceiver ICS Selection Notes

Select this model when Sub-GHz frequency operation is required rather than 2.4 GHz alternatives within the Flex Gecko family. The 256 kB flash capacity suits moderate firmware complexity. The 19 dBm output power balances range and current consumption. Consider the QFN-48 package dimensions for PCB layout constraints. Verify that the ARM Cortex-M4 core meets the computational needs of the application logic.

RF Transceiver ICS Part Context

This component belongs to the EFR32FG14 Flex Gecko series, designed for low-power wireless IoT applications. It combines MCU capabilities with RF functionality on a single die. The series targets markets requiring reliable long-range communication at sub-gigahertz frequencies. It serves as a foundational element for building standalone wireless nodes without external radios.

RF Transceiver ICS Replacement Considerations

Consult official substitution guides for pin-compatible or functionally equivalent parts within the EFR32FG14 family. Verify memory size and package type compatibility before swapping. Check datasheet updates for any changes in electrical characteristics or recommended operating conditions.