EFR32FG23A020F512GM40-CR

RF Transceiver ICS Overview

The EFR32FG23A020F512GM40-CR is a Sub-GHz RF System on Chip (SoC) from Silicon Labs, housed in a QFN-40 package. It features an ARM Cortex-M33 core operating at 78 MHz with 512 kB Flash and 64 kB RAM. The device supports frequencies of 868 MHz, 915 MHz, and 920 MHz, delivering a maximum output power of +20 dBm and a sensitivity of -96.9 dBm. It operates within a voltage range of 1.71 V to 3.8 V, consuming 4.2 mA during reception and 85.5 mA during transmission. The component includes 12-bit and 16-bit ADCs and interfaces via I2C, SPI, and UART.

RF Transceiver ICS Feature Summary

• Integrated ARM Cortex-M33 processor with dedicated Secure Vault for cryptographic operations and secure boot.
• High-performance Sub-GHz radio supporting proprietary protocols with high output power and sensitivity.
• Comprehensive peripheral set including multiple ADCs, digital I/O, and standard communication interfaces.

RF Transceiver ICS Applications

• Smart metering and utility automation
• Industrial wireless sensor networks
• Home security and alarm systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'CR' indicates tape-and-reel packaging when sourcing components. Confirm that the ordered part matches the exact memory configuration and frequency band requirements. Ensure compliance with RoHS standards and check moisture sensitivity levels for proper handling during assembly processes.

RF Transceiver ICS Selection Notes

Select this model for applications requiring robust Sub-GHz connectivity with high transmit power. The inclusion of a secure hardware enclave makes it suitable for IoT devices needing PSA Level 3 certification. Consider the QFN-40 footprint for compact designs and verify interface compatibility with existing system architectures.

RF Transceiver ICS Part Context

This component belongs to the EFR32xG23 Series 2 family, designed for low-power wireless IoT applications. It shares development tools and SDKs with other members of the series, facilitating migration between different variants. The FG23 designation specifically denotes Sub-GHz capabilities optimized for global regulatory bands.

RF Transceiver ICS Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Silicon Labs resources for cross-reference information regarding compatible alternatives within the EFR32 product line.