EFR32MG1B732F256IM32-C0

Overview

The EFR32MG1B732F256IM32-C0 is a Silicon Labs Mighty Gecko System-on-Chip featuring an ARM Cortex-M4 core operating at 2.4 GHz. It integrates 256 kB of flash memory and 32 kB of RAM within a 32-VFQFN package. The device supports Bluetooth, Zigbee, and Thread protocols with a maximum data rate of 1 Mbps. Key RF parameters include a transmit power of 19 dBm and a receive sensitivity of -95.3 dBm. It operates on a supply voltage range of 1.8 V to 3.8 V, with receive currents of 8.8 mA and 10.2 mA, and transmission current of 8.5 mA. The component functions within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor with 256 kB flash and 32 kB RAM for efficient protocol handling
• Supports multi-protocol wireless standards including Bluetooth, Zigbee, and Thread
• Provides high RF performance with 19 dBm output power and -95.3 dBm sensitivity

Applications

• Smart home automation devices requiring mesh networking
• Industrial sensor nodes utilizing Thread or Zigbee protocols
• Wireless remote control and key fob applications
• IoT gateways and hubs supporting multiple wireless standards

Procurement Notes

Verify the specific suffix 'C0' against official Silicon Labs documentation to confirm temperature grade and packaging specifications. Confirm that the component status aligns with project requirements, as availability may vary. Ensure compatibility with existing PCB footprints for the 32-VFQFN package. Cross-reference pin assignments and electrical characteristics with the latest datasheet to prevent integration errors during procurement.

Selection Notes

Select this model when a balance of moderate flash capacity and high RF performance is required for 2.4 GHz applications. The Mighty Gecko series offers low power consumption suitable for battery-operated devices. Consider the 12-bit ADC and GPIO count if peripheral integration is necessary. Evaluate the operating temperature range to ensure suitability for the intended environmental conditions compared to other variants in the MG1 family.

Part Context

This component belongs to the Silicon Labs Mighty Gecko (MG1) family of wireless SoCs. These devices are designed for energy-efficient IoT applications, combining a powerful microcontroller with a robust radio transceiver. The MG1 series is widely used in smart lighting, security systems, and industrial monitoring due to its support for major wireless protocols and compact form factor.

Replacement Considerations

Public confirmed substitute part numbers: EFR32MG1B232F256GM32-C0R, EFR32MG1B732F256IM32-C0R.