EFR32MG24B310F1536IM48-BR

Overview

The EFR32MG24B310F1536IM48-BR is a Bluetooth System on Chip from Silicon Labs operating at 2.4 GHz with an ARM Cortex-M33 core clocked at 78 MHz. It features 1536 kB Flash and 256 kB RAM, delivering +10 dBm output power and -94.8 dBm sensitivity. The device supports Bluetooth v5.3 at 2 Mbps, operates between 1.71 V and 3.8 V, and consumes 4.4 mA in receive mode and 19.1 mA in transmit mode. It includes a 20-bit ADC, functions within -40°C to +125°C, and utilizes a QFN-48 package.

Feature Summary

• Integrates high-performance RF transceiver with ARM Cortex-M33 processor for efficient wireless processing
• Provides extensive memory resources including 1536 kB Flash and 256 kB RAM for complex protocol stacks
• Incorporates Secure Vault High security architecture to protect sensitive data and keys
• Supports multiple wireless protocols including Bluetooth, Zigbee, Thread, and Matter

Applications

• Smart home devices requiring mesh networking capabilities
• IoT lighting systems utilizing Thread or Zigbee protocols
• Medical equipment needing secure wireless connectivity
• Matter-compliant smart appliances

Procurement Notes

Verify the specific suffix BR indicates tape-and-reel packaging configuration against official Silicon Labs documentation. Confirm that the B310 variant aligns with required Secure Vault levels and GPIO counts for the target design. Ensure compatibility with existing PCB footprints for the QFN-48 package before finalizing procurement orders.

Selection Notes

Select this component when designs require substantial memory capacity alongside multi-protocol support for future-proofing. The 1536 kB Flash accommodates large application binaries and protocol stacks without external storage. Consider the thermal range up to +125°C for industrial environments and the integrated 20-bit ADC for precision sensing applications.

Part Context

This part belongs to the EFR32MG24 Mighty Gecko series, designed for robust 2.4 GHz wireless IoT applications. It shares architectural similarities with other MG24 variants but distinguishes itself through higher memory allocation and specific pinout configurations suitable for dense PCB layouts.

Replacement Considerations

EFR32MG24B310F1536IM48 is the tray-packaged equivalent of this reel-part. Other MG24 variants may offer different memory sizes or GPIO counts but require firmware adaptation.