EFR32MG21B010F512IM32-DR

RF Transceiver ICS Overview

The EFR32MG21B010F512IM32-DR is a Mighty Gecko RF System-on-Chip featuring an ARM Cortex-M33 core operating at 80 MHz. It integrates 512 kB of flash memory and 64 kB of RAM within a QFN-32 package. The device supports 2.4 GHz wireless communication with a maximum data rate of 2 Mbps. It provides a programmable output power of 10 dBm and achieves a receive sensitivity of -94.4 dBm. The supply voltage range spans from 1.71 V to 3.8 V, with active mode receiving current at 8.8 mA and transmitting current at 33.8 mA.

RF Transceiver ICS Feature Summary

• Integrates a 32-bit ARM Cortex-M33 processor with DSP and floating-point unit for efficient code execution
• Supports multiprotocol mesh networking including Zigbee, Thread, and Bluetooth Low Energy specifications
• Incorporates Secure Vault technology providing physical unclonable functions and hardware security features

RF Transceiver ICS Applications

• Zigbee and Thread smart home devices
• Bluetooth mesh lighting systems
• IoT gateways and voice assistants
• Smart metering applications

RF Transceiver ICS Procurement Notes

Verify the specific suffix designation against official Silicon Labs documentation to confirm tape-and-reel packaging requirements. Ensure that the selected variant matches the required memory configuration and radio performance parameters for your design. Cross-reference the part number with the manufacturer's latest datasheet to validate availability status and compliance certifications before finalizing procurement plans.

RF Transceiver ICS Selection Notes

Select this component when designing line-powered IoT devices requiring robust 2.4 GHz connectivity and enhanced security. The Mighty Gecko series offers optimized power consumption for battery and line-powered applications. Consider the available GPIO count and peripheral interfaces such as I2C and USART for system integration. Evaluate the trade-off between memory size and cost relative to application firmware complexity.

RF Transceiver ICS Part Context

This model belongs to the EFR32MG21 Series 2 family of multiprotocol wireless SoCs. These devices are engineered for high-performance, low-power, and secure IoT solutions. The family supports various memory options and radio power levels to accommodate different range and capacity requirements across diverse wireless standards.

RF Transceiver ICS Replacement Considerations

Check for EFR32MG21B010F512IM32-B or EFR32MG21B010F512IM32-DR if alternative packaging formats are needed. Verify pin compatibility and electrical characteristics with other variants in the EFR32MG21 series.