EFR32FG28A122F1024GM48-A

RF Transceiver ICS Overview

The EFR32FG28A122F1024GM48-A is a dual-band RF System-on-Chip from Silicon Labs, integrating Sub-GHz and 2.4 GHz BLE radios with an ARM Cortex-M33 core. It features 1024 kB of Flash memory and 256 kB of RAM housed in a QFN-48 package. The device supports a supply voltage range of 1.71 V to 3.8 V, delivering +20 dBm output power at Sub-GHz frequencies and +10 dBm at 2.4 GHz. Key electrical parameters include a receive sensitivity of -125.8 dBm, a receiving current of 6.1 mA, and a transmitting current of 26.2 mA. It operates within a temperature range of -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Dual-band radio architecture combining long-range Sub-GHz connectivity with 2.4 GHz Bluetooth Low Energy capabilities for enhanced design flexibility.
• Integrated ARM Cortex-M33 processor equipped with AI/ML hardware accelerators to enable efficient edge computing and complex protocol stack execution.
• High-output power transmission capability up to +20 dBm in the Sub-GHz band to support extended communication ranges in IoT applications.

RF Transceiver ICS Applications

• Smart home devices requiring robust wireless connectivity
• Security and alarm systems needing reliable long-range transmission
• Building automation controllers utilizing Wi-SUN or Amazon Sidewalk protocols
• Metering solutions demanding high data integrity and low power consumption

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'A' against the manufacturer's latest datasheet to confirm pinout compatibility and functional specifications. Ensure that the Secure Vault-Mid security level meets the project's requirements. Cross-reference the QFN-48 package dimensions with PCB layout guidelines to prevent assembly errors during production.

RF Transceiver ICS Selection Notes

Select this component when both Sub-GHz and 2.4 GHz BLE radios are required within a single chip to reduce board space. The 1 MB Flash and 256 kB RAM provide sufficient resources for resource-intensive protocols like Wi-SUN. Consider the ARM Cortex-M33 core if machine learning inference at the edge is necessary for the application.

RF Transceiver ICS Part Context

This model belongs to the EFR32FG28 series, designed as a premium solution for Internet of Things (IoT) deployments. It represents a convergence of high-performance wireless connectivity and processing power, targeting applications that demand both range and computational efficiency without compromising on security features provided by the integrated secure vault.

RF Transceiver ICS Replacement Considerations

Check for EFR32FG28A122F1024GM48-AR if reel packaging is preferred over trays. Verify other FG28 variants with different memory sizes or security levels if cost optimization is required, ensuring radio performance matches the original specification.