EFR32FG28A110F1024GM68-AR

RF Transceiver ICS Overview

The EFR32FG28A110F1024GM68-AR is a dual-band RF System on a Chip (SoC) from Silicon Labs, integrating Sub-GHz and 2.4 GHz radio capabilities with an ARM Cortex-M33 core operating at 78 MHz. It features 1024 kB of Flash memory and 256 kB of RAM, housed in a QFN-68 package. The device supports Sub-GHz frequencies with a maximum output power of +14 dBm and a sensitivity of -125.8 dBm. Power supply ranges from 1.71 V to 3.8 V, with receive current up to 6.1 mA and transmit current up to 26.2 mA. Operating temperature spans -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Dual-band radio operation supporting both Sub-GHz and 2.4 GHz bands for flexible connectivity.
• Integrated ARM Cortex-M33 processor with hardware acceleration for efficient edge computing.
• Secure Vault security module providing protected key storage and cryptographic operations.
• High-performance RF transceiver with optimized power consumption for battery-operated devices.

RF Transceiver ICS Applications

• Smart home and building automation systems
• Security and alarm sensors
• Smart lighting controls
• Utility metering applications

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'AR' indicates tape-and-reel packaging when sourcing components. Confirm that the Secure Vault-Mid configuration meets your security requirements. Ensure compatibility with the intended Sub-GHz frequency band for your region. Check lead times as manufacturing schedules may vary. Validate that the QFN-68 package dimensions fit your PCB layout constraints.

RF Transceiver ICS Selection Notes

Choose this model if you require integrated Sub-GHz and BLE connectivity within a single chip. The 1024 kB Flash and 256 kB RAM support complex protocol stacks like Wi-SUN or Amazon Sidewalk. The Cortex-M33 core offers sufficient processing power for AI/ML tasks. Consider the +14 dBm output power for extended range needs. Evaluate the QFN-68 package for surface-mount assembly compatibility.

RF Transceiver ICS Part Context

This component belongs to the EFR32FG28 series, designed for IoT applications requiring secure, low-power wireless connectivity. It combines high-performance MCU capabilities with robust RF front-end technology. The FG28 series targets smart home, security, and utility markets, offering flexibility through dual-band support and extensive peripheral interfaces.

RF Transceiver ICS Replacement Considerations

EFR32FG28A112F1024GM68-A is a similar variant with identical memory and RF specs but may differ in packaging or revision status. Verify pinout and software compatibility before substitution. Other EFR32FG28 variants may offer different memory sizes or security levels.