EFR32FG28A112F1024GM68-A

RF Transceiver ICS Overview

The EFR32FG28A112F1024GM68-A is a dual-band RF System-on-Chip from Silicon Labs, integrating Sub-GHz and 2.4 GHz radio capabilities with an ARM Cortex-M33 core. It features 1 MB of Flash memory and 256 kB of RAM, housed in a QFN-68 package. The device delivers up to +14 dBm output power at Sub-GHz frequencies and supports Bluetooth Low Energy protocols. Operating voltage ranges from 1.71 V to 3.8 V, with receive current as low as 6.1 mA and transmit current up to 26.2 mA. It operates within a temperature range of -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Dual-band connectivity combining high-performance Sub-GHz radio for long-range communication with 2.4 GHz Bluetooth Low Energy support.
• Integrated ARM Cortex-M33 processor enhanced with AI/ML hardware accelerators for efficient edge computing.
• Secure Vault-Mid security implementation providing robust protection for sensitive data and cryptographic operations.

RF Transceiver ICS Applications

• Smart home devices requiring multi-protocol wireless connectivity
• Security and alarm systems utilizing Sub-GHz range capabilities
• Building automation and lighting control networks
• Smart metering applications supporting Wi-SUN protocol stacks

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'A' against the manufacturer's latest datasheet to confirm the exact Secure Vault configuration and frequency band options. Ensure the QFN-68 package dimensions align with your PCB footprint requirements. Confirm that the selected variant meets the necessary regulatory certifications for your target geographic market before finalizing procurement.

RF Transceiver ICS Selection Notes

Select this component when both Sub-GHz long-range transmission and 2.4 GHz BLE short-range communication are required in a single chip. The 1 MB Flash and 256 kB RAM capacity supports complex protocol stacks like Wi-SUN or Amazon Sidewalk. Consider the +14 dBm output power for extended coverage needs and the integrated AI/ML accelerator for advanced sensor processing tasks.

RF Transceiver ICS Part Context

This part belongs to the EFR32FG28 series, designed for resource-intensive IoT applications. It combines Flex Gecko performance with dual-band flexibility. The FG28 series targets smart energy, home automation, and industrial monitoring sectors where secure, reliable, and versatile wireless connectivity is critical for system operation and ecosystem integration.

RF Transceiver ICS Replacement Considerations

Check for other variants within the EFR32FG28 family that may offer different memory sizes or security levels. Verify pin-to-pin compatibility if substituting with other QFN-68 packages in the same series. Ensure any alternative maintains the required Sub-GHz and 2.4 GHz dual-band functionality.