EFR32MG1P232F256GM32-B0

Overview

The EFR32MG1P232F256GM32-B0 is a Mighty Gecko System on Chip (SoC) from Silicon Labs, operating at 2.4 GHz with an ARM Cortex-M4 core. It integrates 256 kB of flash memory and 32 kB of RAM within a 32-VFQFN package. The device supports 802.15.4, Bluetooth v4.0, Zigbee, Thread, and proprietary protocols. Key electrical specifications include a maximum output power of 19.5 dBm, a receive sensitivity of -92.5 dBm, and a data rate up to 1 Mbps. Supply voltage ranges from 1.85 V to 3.8 V.

Feature Summary

• Supports multiple wireless protocols including 802.15.4, Bluetooth v4.0, Zigbee, and Thread for versatile IoT connectivity.
• Features an integrated scalable power amplifier delivering high output power for extended range applications.
• Provides ultra-fast wakeup capabilities to maintain low energy consumption in battery-powered devices.

Applications

• Smart home lighting and control systems
• Wireless sensor networks requiring mesh topology
• Industrial automation and monitoring devices

Procurement Notes

Verify the specific suffix 'B0' against the manufacturer's current datasheet to confirm pinout and package compatibility. Check component status as previous variants may be marked Not Recommended for New Design (NRND). Ensure supply chain sources provide original documentation to validate authenticity and revision levels before integration into production designs.

Selection Notes

Select this model when multi-protocol support and high transmit power are required in a compact form factor. The 256 kB flash capacity suits complex firmware requirements. Compare against other Mighty Gecko variants if lower power or different memory sizes are sufficient for the application constraints.

Part Context

This component belongs to the EFR32MG1 Mighty Gecko family, designed for energy-efficient wireless IoT applications. It utilizes an ARM Cortex-M4 processor core optimized for low-power operation while maintaining high performance for protocol stack execution and data processing tasks.

Replacement Considerations

Consult official substitution lists for updated series such as EFR32MG2 or EFR32FG14. Verify that alternative components match the 2.4 GHz frequency band and QFN-32 package dimensions to ensure mechanical compatibility without redesigning the PCB footprint.

FAQ

What wireless protocols does the EFR32MG1P232F256GM32-B0 support?

It supports 802.15.4, Bluetooth v4.0, Zigbee, Thread, and proprietary protocols.

What is the maximum output power of this SoC?

The integrated power amplifier provides a maximum output power of 19.5 dBm.