EFR32MG24A420F1536IM48-BR

Overview

The EFR32MG24A420F1536IM48-BR is a Silicon Labs Mighty Gecko RF System on Chip (SoC) operating at 2.4 GHz. It integrates an ARM Cortex-M33 core with a maximum clock frequency of 78 MHz. The device features 1536 kB of Flash program memory and 256 kB of RAM. It supports Bluetooth Low Energy, Zigbee, and Thread protocols with a maximum output power of +20 dBm and a sensitivity of -94.4 dBm. Operating voltage ranges from 1.71 V to 3.8 V. The component is housed in a QFN-48 package and supports industrial temperatures from -40°C to +125°C.

Feature Summary

• Integrates an ARM Cortex-M33 processor core for efficient code execution within a single chip solution.
• Provides high transmit power capability up to +20 dBm for extended wireless range in mesh networks.
• Includes Secure Vault hardware security features to protect intellectual property and sensitive data.
• Supports multiple simultaneous wireless protocols including Bluetooth, Zigbee, and Thread.

Applications

• Smart home devices requiring robust mesh networking capabilities
• Industrial IoT sensors operating in extreme temperature environments
• Medical devices needing secure and reliable wireless connectivity
• Lighting systems utilizing Zigbee or Thread protocols

Procurement Notes

Verify the specific suffix BR indicates reel packaging when sourcing components. Confirm that the QFN-48 package dimensions match the target PCB footprint requirements. Ensure that the supply chain source provides valid RoHS compliance documentation as specified by the manufacturer. Cross-reference the part number against official Silicon Labs distributors to avoid counterfeit inventory risks during procurement.

Selection Notes

Select this model when application requirements demand high flash capacity for complex protocol stacks alongside significant RAM resources. The +20 dBm output power makes it suitable for applications requiring long-range communication without external amplifiers. Consider the QFN-48 package constraints regarding thermal dissipation and available GPIO pins compared to other package options in the MG24 series.

Part Context

This component belongs to the EFR32MG24 series, designed for sub-GHz and 2.4 GHz wireless applications. It represents the Mighty Gecko line, focusing on low power consumption and high performance. The series supports various wireless standards, positioning it as a versatile solution for modern IoT deployments requiring secure and scalable connectivity options.

Replacement Considerations

The EFR32MG24A420F1536IM48 is the non-reel variant of this component. Other MG24 variants may offer different memory sizes or package types such as QFN40. Verify pin compatibility and software library support before substituting with related parts in the same family.