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EFR32MG1B232F256IM48-C0R
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Product Detailed Parameters
- Description：IC RF TXRX+MCU 802.15.4 48QFN
- Series：Mighty Gecko
- Mfr：Silicon Labs
- Package：Tape & Reel (TR)
- Type：TxRx + MCU
- RF Family/Standard：802.15.4, Bluetooth
- Protocol：Bluetooth v4.0, Thread, Zigbee®
- Modulation：-
- Frequency：-
- Data Rate (Max)：2Mbps
- Power - Output：19dBm
- Sensitivity：-
- Memory Size：256kB Flash, 32kB RAM
- Serial Interfaces：I2C, I2S, SPI, UART
- Voltage - Supply：1.8V ~ 3.8V
- Current - Receiving：-
- Current - Transmitting：8.2mA ~ 126.7mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：48-VFQFN Exposed Pad
- Supplier Device Package：48-QFN (7x7)
- GPIO：31
- Grade：-
- Qualification：-
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Overview
The EFR32MG1B232F256IM48-C0R is a wireless System-on-Chip (SoC) from Silicon Labs' Gecko Series 1 family, designed for Zigbee and Thread applications. It integrates an 8052-compatible CPU core operating at up to 32 MHz with 256 kB of flash memory and 32 kB of RAM. The device features a high-performance 2.4 GHz radio transceiver supporting IEEE 802.15.4 standards. Key electrical specifications include a supply voltage range of 1.8 V to 3.6 V and a maximum current consumption of 17 mA during transmission. The component is housed in a 48-pin QFN package.
Feature Summary
- Integrates a high-efficiency 2.4 GHz radio transceiver compliant with IEEE 802.15.4 standards for reliable mesh networking.
- Combines an 8052-compatible microcontroller core with substantial non-volatile memory and static RAM for complex protocol stacks.
- Supports multiple low-power modes to optimize energy efficiency in battery-operated smart home devices.
Applications
- Zigbee and Thread smart lighting controls
- Smart door locks and access control systems
- HVAC thermostats and environmental sensors
Procurement Notes
Verify the complete part number against official Silicon Labs documentation to ensure correct pinout, temperature grade, and tape-and-reel configuration. Confirm that the specific suffix matches the required packaging and regional compliance certifications before finalizing procurement orders.
Selection Notes
Select this component when designing Zigbee or Thread networks requiring moderate flash capacity and integrated RF performance. Evaluate power budget requirements against the specified current consumption metrics. Ensure the 48-pin QFN footprint aligns with the target PCB layout constraints and thermal management strategy.
Part Context
This model belongs to the EFR32MG1B series within the Gecko Series 1 portfolio. It shares architectural similarities with other MG1 variants but differs in memory size and package type. The MG1B designation indicates a specific silicon revision optimized for cost-effective mesh networking solutions compared to higher-tier Series 2 chips.
Replacement Considerations
Direct substitutes include other EFR32MG1B variants with compatible pinouts such as EFR32MG1B222F256IM48. Cross-reference with EFR32MG12 series for updated feature sets, noting potential software migration requirements due to architectural differences between Series 1 and Series 2 platforms.
