EFR32FG23A010F256GM48-BR

RF Transceiver ICS Overview

The EFR32FG23A010F256GM48-BR is a Sub-GHz RF System on a Chip (SoC) from Silicon Labs, featuring an ARM Cortex-M4 core. It integrates 256 kB of Flash memory and 32 kB of RAM within a QFN-48 package. The device supports frequencies between 110 MHz and 970 MHz with a programmable output power of +14 dBm. It offers receive sensitivity of -125.8 dBm and operates on a supply voltage range of 1.71 V to 3.8 V.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M4 microcontroller with a Sub-GHz radio transceiver for unified processing and communication.
• Supports multiple modulation schemes including GFSK, OOK, and DSSS for flexible protocol implementation.
• Provides hardware security acceleration with AES-256/128, SHA-1, and SHA-2 capabilities.
• Features low-power operation modes with ultra-fast wake-up times suitable for battery-powered applications.

RF Transceiver ICS Applications

• Wireless M-BUS metering systems
• Sub-GHz proprietary wireless sensor networks
• Low-power wide-area network (LPWAN) devices
• Industrial telemetry and remote monitoring

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'BR' indicates reel packaging when sourcing. Confirm lifecycle status as NRND or Obsolete in current distributor catalogs before finalizing design-in decisions. Ensure compatibility with existing firmware libraries for the FG23 series. Check RoHS compliance documentation for the specific manufacturing batch.

RF Transceiver ICS Selection Notes

Select this model for applications requiring Sub-GHz connectivity with moderate data rates and extended range. The +14 dBm output power balances range requirements with power consumption. Consider the 256 kB Flash capacity for complex protocol stacks. Evaluate the QFN-48 footprint against PCB space constraints and thermal management needs.

RF Transceiver ICS Part Context

This component belongs to the EFR32FG23 Flex Gecko family, designed for robust Sub-GHz wireless applications. It combines high-performance MCU capabilities with efficient RF front-end technology. The series targets cost-sensitive yet feature-rich IoT deployments requiring reliable long-range communication in ISM bands.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official Silicon Labs documentation for cross-reference lists or updated product recommendations.