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EFR32MG24A020F1536IM40-B
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Product Detailed Parameters
- Description：IC RF TXRX+MCU BLE 40QFN
- 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：1536kB Flash, 192kB 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：40-VFQFN Exposed Pad
- Supplier Device Package：40-QFN (5x5)
- GPIO：26
- Grade：-
- Qualification：-
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Overview
The EFR32MG24A020F1536IM40-B is a Bluetooth System on Chip from the MG24 series, featuring an ARM Cortex-M33 core operating at 78 MHz. It integrates 1536 kB of Flash memory and 192 kB of RAM. The device supports 2.4 GHz wireless communication with a maximum output power of +20 dBm and a sensitivity of -94.4 dBm. It operates within a voltage range of 1.71 V to 3.8 V and functions between -40°C and +125°C. The component is housed in a QFN-40 package.
Feature Summary
- Integrates a high-performance 32-bit ARM Cortex-M33 processor with DSP instructions and a floating-point unit for efficient signal processing.
- Supports multiple wireless protocols including Bluetooth Low Energy, Zigbee, Matter, and Thread with configurable modulation formats.
- Includes hardware acceleration capabilities for AI/ML tasks via a dedicated matrix vector processor.
Applications
- Smart home devices requiring Matter or Thread connectivity
- Industrial sensor nodes and automation controllers
- Bluetooth mesh lighting and security systems
Procurement Notes
Verify the specific suffix against official Silicon Labs documentation to confirm pinout compatibility and firmware support. Ensure the selected variant matches the required memory configuration and package type for your PCB layout. Cross-reference the datasheet for any recent revisions that may affect electrical characteristics or ordering information.
Selection Notes
Select this model when higher program storage and data memory are required compared to standard 1 MB variants. The +20 dBm output power suits applications needing extended range or robust interference immunity. Confirm that the QFN-40 footprint aligns with your manufacturing capabilities and thermal management strategy.
Part Context
This component belongs to the EFR32MG24 family, designed for secure and low-power wireless IoT applications. It shares architectural similarities with other MG24 parts but offers distinct memory and performance configurations. The series emphasizes energy efficiency across various active and sleep modes while maintaining high throughput for complex protocol stacks.
Replacement Considerations
Direct substitutes include EFR32MG24A020F1024IM40-BR for lower memory requirements or EFR32MG24B020F1536IM48-BR for different packaging. Verify pin compatibility and software library support before transitioning to alternative part numbers within the same product line.
