EFR32MG1B632F256IM32-C0

Overview

The EFR32MG1B632F256IM32-C0 is a Mighty Gecko System-on-Chip integrating an RF transceiver and ARM Cortex-M4 microcontroller. It operates in the sub-GHz ISM band, supporting IEEE 802.15.4g and proprietary protocols. The device features 256kB of flash memory and 32kB of RAM within a 32-QFN package. Key electrical specifications include a maximum output power of 20dBm, a receiver sensitivity of -107dBm, and a data rate up to 500kbps. Supply voltage ranges from 1.8V to 3.6V, with operating temperatures spanning -40°C to 85°C.

Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor with a sub-GHz radio transceiver for efficient wireless communication.
• Supports multiple wireless standards including Zigbee, Thread, and Bluetooth Mesh alongside proprietary protocols.
• Features ultra-low energy consumption profiles optimized for battery-operated IoT applications.

Applications

• Smart home automation devices
• Industrial sensor networks
• Wireless metering systems

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm RoHS compliance status and check for obsolescence notices, as this part may be designated for non-new designs. Ensure supply chain documentation matches the specific suffix requirements for temperature grade and packaging format.

Selection Notes

Select this model for applications requiring sub-GHz range capabilities combined with moderate processing power. Compare against other Mighty Gecko variants based on required flash size, GPIO count, and specific frequency band needs. Evaluate alternative packages if board space constraints differ from the standard QFN footprint.

Part Context

This component belongs to the Silicon Labs Mighty Gecko family, designed for low-power wireless connectivity. It serves as a foundational SoC for various IoT protocols, offering a balance between computational capability and radio performance. The MG1 series is widely used in established industrial and consumer wireless deployments.

Replacement Considerations

Consult official Silicon Labs cross-reference tools for verified substitutes. Potential alternatives include updated Mighty Gecko series chips with enhanced security features or different pin-compatible options within the same product line.

FAQ

What wireless protocols does the EFR32MG1B632F256IM32-C0 support?

It supports IEEE 802.15.4g, Zigbee, Thread, Bluetooth Mesh, and proprietary protocols.

What is the maximum transmit power of this chip?

The maximum output power is 20dBm.