EFR32FG23A011F512GM40-BR

RF Transceiver ICS Overview

The EFR32FG23A011F512GM40-BR is a Sub-GHz RF System on Chip (SoC) from Silicon Labs, designed for IoT applications. It features an ARM Cortex-M33 core operating at up to 78 MHz, paired with 512 kB of Flash memory and 64 kB of RAM. The device supports frequencies between 922.3 MHz and 928.1 MHz, delivering a maximum output power of +14 dBm and a receive sensitivity of -110.1 dBm. It operates within a voltage range of 1.71 V to 3.8 V, consuming 4.2 mA during reception and 25 mA during transmission. The component is housed in a QFN-40 package.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M33 processor with dedicated security hardware for secure boot and encryption.
• Provides high-performance Sub-GHz radio capabilities with optimized low-power consumption profiles.
• Supports multiple communication interfaces including I2C, SPI, and UART for system connectivity.

RF Transceiver ICS Applications

• Wireless smart metering and utility automation
• Industrial sensor networks and telemetry
• Proprietary wireless IoT devices

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'BR' against official Silicon Labs documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with required frequency bands and regulatory standards for the target deployment region. Cross-reference the full part number with authorized distributors to confirm current availability and lead times.

RF Transceiver ICS Selection Notes

Select this model when a balance of moderate transmit power (+14 dBm) and efficient power consumption is required for Sub-GHz proprietary protocols. The 512 kB Flash capacity accommodates complex application logic and protocol stacks. Consider the QFN-40 footprint for compact PCB designs requiring surface-mount assembly.

RF Transceiver ICS Part Context

This component belongs to the EFR32xG23 Series 2 family, which offers enhanced security features including PSA Level 3 certification. The FG23 variant specifically targets Sub-GHz ISM band applications, providing a robust platform for long-range, low-power wireless communication solutions in industrial and consumer markets.

RF Transceiver ICS Replacement Considerations

EFR32FG23A011F512GM40-C: Identical electrical specifications but utilizes Tray packaging instead of Reel.

RF Transceiver ICS FAQ

What is the maximum clock frequency of the processor?

The integrated ARM Cortex-M33 core operates at a maximum frequency of 78 MHz.

Does this SoC support Bluetooth Low Energy?

No, the EFR32FG23 series is designed exclusively for Sub-GHz proprietary, Connect, Sidewalk, and WM-BUS protocols, lacking Bluetooth LE support.