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EFR32MG24B310F1536IM48-B

SiLEFR32MG24B310F1536IM48-B

Silicon Labs
IC RF TxRx + MCU Bluetooth Bluetooth v5.3 2.4GHz 48-VFQFN Exposed Pad
Active2,394 in stock

Overview

The EFR32MG24B310F1536IM48-B is a high-performance multiprotocol wireless SoC from Silicon Labs, featuring an ARM Cortex-M33 core running at 78 MHz. It combines 1536kB of Flash and 256kB of RAM with integrated Bluetooth 5.3 support and a dedicated AI/ML hardware accelerator. This device is specifically engineered for secure IoT mesh networking and edge processing applications that require high memory density and advanced security features.

Why Choose This Part

This SoC stands out with its Secure Vault High certification, providing industry-leading protection against physical and software attacks. The integrated AI/ML accelerator offers up to 4x better performance and significantly lower energy consumption for machine learning tasks compared to software-only implementations. With 1536kB of Flash, it easily accommodates complex multiprotocol stacks and over-the-air (OTA) update requirements.

Applications

Matter-over-Thread End Devices
Utilizes the large flash capacity and multiprotocol support to run Matter, Zigbee, or Thread stacks in smart home ecosystems.
Edge AI Predictive Maintenance
Leverages the integrated AI/ML hardware accelerator to perform local sensor data inference without cloud dependency.
High-Security Asset Tracking
Employs Secure Vault High and ARM TrustZone to protect sensitive tracking data and firmware integrity in the field.
Connected Medical Devices
Provides the low-power 1.3 uA sleep modes and hardware cryptography necessary for secure, battery-operated healthcare monitors.

Key Specifications

GPIO 28
Type TxRx + MCU
Protocol Bluetooth v5.3
Frequency 2.4GHz
Modulation 2FSK, 2GFSK, DSSS, GMSK, MSK, O-QPSK
Memory Size 1536kB Flash, 256kB RAM
Sensitivity -94.8dBm
Mounting Type Surface Mount
Package / Case 48-VFQFN Exposed Pad
Power - Output 10dBm
Data Rate (Max) 2Mbps
Voltage - Supply 1.71V ~ 3.8V
Serial Interfaces ADC, GPIO, I2C, I2S, SPI, IrDA, UART
RF Family/Standard Bluetooth
Current - Receiving 4.4mA ~ 5.1mA
Operating Temperature -40degC ~ 125degC (TA)
Current - Transmitting 5mA ~ 19.1mA
Supplier Device Package 48-QFN (6x6)

Getting Started

Developers should use the Silicon Labs Simplicity Studio 5 IDE which includes the Gecko SDK and specialized tools for AI/ML development. For hardware evaluation, the xG24-PK6010A Pro Kit is the recommended platform to test the 2.4 GHz radio and Secure Vault features. Ensure the board is powered between 1.71V and 3.8V as per the VDD specifications.

EFR32MG24 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number GPIO Memory Stock
EFR32MG24B310F1536IM48-B (this part) 28 1536k 2,394
EFR32MG24A010F1536IM48-BR 32 1536k
Also available as: EFR32MG24B210F1536IM48-B

Also Consider

nRF5340 nRFNordic Semiconductor - Offers a dual-core architecture with a dedicated application processor and a separate network processor for complex Bluetooth LE applications.
EFR32MG24B210F1536IM48-B SiLSilicon Labs - A lower output power variant (0 dBm vs 10 dBm) for applications where reduced power consumption is prioritized over range.