EFR32MG24B220F1536IM48-B

Overview

The EFR32MG24B220F1536IM48-B is a Mighty Gecko RF System on Chip (SoC) from Silicon Labs, designed for 2.4 GHz wireless applications. It integrates an ARM Cortex-M33 core operating at up to 78 MHz with 1536 kB of Flash memory and 256 kB of RAM. The device features a high-performance radio capable of +20 dBm output power and -94.4 dBm sensitivity, supporting data rates up to 2 Mbps. It operates within a supply voltage range of 1.71 V to 3.8 V and functions across a temperature range of -40°C to +125°C. The component is housed in a QFN-48 package.

Feature Summary

• Integrates Secure Vault High security architecture for robust data protection
• Supports multiple wireless protocols including Bluetooth, Zigbee, and Thread
• Features high output power capability for extended range connectivity
• Includes extensive GPIO and peripheral interfaces for system integration

Applications

• Smart home devices requiring secure mesh networking
• Industrial IoT sensors operating in extreme temperatures
• Medical devices needing certified security levels
• Wireless lighting control systems

Procurement Notes

Verify the specific suffix B indicates the tray packaging configuration as per manufacturer documentation. Confirm the Secure Vault High security level matches project requirements. Ensure the QFN-48 package dimensions align with PCB layout constraints. Check for moisture sensitivity level compliance during assembly processes.

Selection Notes

Select this model when high output power and advanced security are required for 2.4 GHz applications. Compare against lower power variants if range is not critical. Consider the larger QFN-48 footprint compared to smaller packages. Evaluate the 1536 kB Flash size against application software complexity.

Part Context

This part belongs to the EFR32MG24 Mighty Gecko series, targeting sub-GHz and 2.4 GHz markets. It shares the core architecture with other MG24 variants but differs in memory size, package type, and security features. The series emphasizes low power consumption alongside high performance for connected IoT endpoints.

Replacement Considerations

EFR32MG24B220F1536IM48-BR is the reel-packaged equivalent of this component. Other MG24 variants may offer different memory or package options but require firmware adaptation.