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EFR32MG24B020F1024IM48-B
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Product Detailed Parameters
- Description：IC RF TXRX+MCU BLE 48QFN
- Series：Mighty Gecko
- Mfr：Silicon Labs
- Package：Tray
- Type：TxRx + MCU
- RF Family/Standard：Bluetooth
- Protocol：Bluetooth v5.3
- Modulation：2FSK, 2GFSK, DSSS, GMSK, MSK, O-QPSK
- Frequency：2.4GHz
- Data Rate (Max)：2Mbps
- Power - Output：19.5dBm
- Sensitivity：-94.8dBm
- Memory Size：1024kB Flash, 128kB RAM
- Serial Interfaces：ADC, GPIO, I2C, I2S, SPI, IrDA, UART
- Voltage - Supply：1.71V ~ 3.8V
- Current - Receiving：4.4mA ~ 5.1mA
- Current - Transmitting：5mA ~ 156.8mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-VFQFN Exposed Pad
- Supplier Device Package：48-QFN (6x6)
- GPIO：32
- Grade：-
- Qualification：-
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Overview
The EFR32MG24B020F1024IM48-B is a 2.4 GHz RF System on Chip from the MG24 family, featuring an ARM Cortex-M33 core operating up to 78 MHz. It integrates 1024 kB of Flash memory and 128 kB of RAM. The device supports Bluetooth, Thread, and Zigbee protocols with a transmit power of +20 dBm. It operates within a voltage range of 1.71 V to 3.8 V and functions at temperatures up to +125°C in a QFN48 package.
Feature Summary
- Integrates Secure Vault hardware for enhanced cryptographic security against remote and local network attacks
- Includes AI/ML hardware accelerators and DSP instructions for efficient signal processing
- Supports multi-protocol mesh networking via Matter, OpenThread, and Zigbee standards
Applications
- Smart home hubs and gateways
- Building automation sensors and switches
- Medical IoT devices requiring high security
Procurement Notes
Verify the specific suffix 'B' indicates the commercial temperature grade and pin configuration as documented in the official Silicon Labs datasheet. Confirm that the 1024 kB Flash and 128 kB RAM configuration matches the design requirements. Ensure compatibility with the QFN48 footprint during PCB layout validation.
Selection Notes
Select this component when high-performance 2.4 GHz connectivity is required alongside robust security features. The Cortex-M33 core provides sufficient processing power for complex protocol stacks. Consider the 128 kB RAM limit for application complexity compared to higher-memory variants in the same series.
Part Context
This part belongs to the EFR32MG24 Series 2, designed for demanding IoT applications. It succeeds previous Mighty Gecko generations by offering improved security and processing capabilities. The MG24 family targets smart home and building automation markets with integrated wireless and MCU resources.
Replacement Considerations
Check for EFR32MG24B020F1024IM48 without the suffix if temperature ratings differ. Verify cross-compatibility with EFR32MG21 series parts, noting differences in core architecture and memory size.
