EFR32MG24A010F1024IM48-B

Overview

The EFR32MG24A010F1024IM48-B is a System on Chip (SoC) from the Silicon Labs MG24 series, designed for 2.4 GHz wireless applications. It integrates an ARM Cortex-M33 core operating at up to 78 MHz with 1024 kB of Flash memory and 128 kB of RAM. The device supports Bluetooth Low Energy, Zigbee, and Thread protocols, featuring a maximum output power of +10 dBm and a receive sensitivity of -94.4 dBm. It operates within a voltage range of 1.71 V to 3.8 V and functions across temperatures from -40°C to +125°C in a QFN-48 package.

Feature Summary

• Supports multi-protocol wireless connectivity including Bluetooth, Zigbee, and Thread for mesh IoT networks.
• Integrates Secure Vault hardware security features to protect user privacy and data integrity.
• Provides high-performance processing via ARM Cortex-M33 core with ample memory resources for complex applications.

Applications

• Smart home devices requiring robust mesh networking capabilities
• Lighting systems utilizing Zigbee or Thread protocols
• Medical devices needing secure and reliable wireless communication

Procurement Notes

Verify the specific suffix 'B' indicates the correct temperature grade and packaging variant as per the official datasheet. Confirm that the QFN-48 package dimensions match your PCB footprint requirements. Ensure compatibility with the intended wireless protocol stack, as this model supports multiple standards. Check for any lead-free or RoHS compliance documentation if required by your manufacturing process.

Selection Notes

Select this component when a balance of moderate RF power (+10 dBm) and high memory capacity is needed for complex firmware. It is suitable for designs where extended temperature operation up to +125°C is mandatory. Consider this part over lower-memory variants if application logic requires significant local storage. Verify that the QFN-48 package fits within the spatial constraints of the target enclosure compared to smaller packages like QFN-40.

Part Context

This part belongs to the EFR32MG24 family, which represents Silicon Labs' Series 2 wireless SoCs. These devices are engineered for low-power, high-performance IoT applications. The MG24 series specifically targets multi-protocol use cases, distinguishing itself from single-protocol counterparts like the BG24 series by supporting both Bluetooth and proprietary/IEEE 802.15.4 based protocols simultaneously.

FAQ

Does the EFR32MG24A010F1024IM48-B support Sub-GHz frequencies?

No, this specific model is designed for 2.4 GHz operations only and does not support Sub-GHz bands.

What is the maximum clock frequency of the MCU core?

The integrated ARM Cortex-M33 core operates at a maximum frequency of 78 MHz.