EFR32BG21B010F512IM32-DR

RF Transceiver ICS Overview

The EFR32BG21B010F512IM32-DR is a Bluetooth 5.1 System on Chip from Silicon Labs' Blue Gecko series, designed for 2.4 GHz wireless applications. It integrates an ARM Cortex-M33 core operating at up to 80 MHz with 512 kB of program memory and 64 kB of RAM. The device features a 10 dBm RF output power and -94.4 dBm sensitivity. It supports standard interfaces including I2C, USART, SPI, and UART within a QFN-32 package. Operating voltage ranges from 1.71 V to 3.8 V, with a wide temperature range from -40°C to +125°C.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M33 processor core for efficient code execution
• Supports Bluetooth 5.1 protocol stack for reliable wireless connectivity
• Includes integrated radio transceiver with 10 dBm output capability
• Provides multiple digital communication interfaces for peripheral integration

RF Transceiver ICS Applications

• Bluetooth Low Energy sensor nodes
• Smart home control devices
• Industrial monitoring equipment
• Wearable health trackers

RF Transceiver ICS Procurement Notes

Verify the complete part number against official Silicon Labs documentation to ensure correct variant selection. Confirm that the suffix indicates the specific tape and reel packaging configuration required for automated assembly processes. Cross-reference the manufacturing date codes and lot numbers with quality assurance requirements before finalizing procurement orders.

RF Transceiver ICS Selection Notes

Select this component when a balance of moderate flash memory and high processing speed is required for Bluetooth 5.1 applications. The 10 dBm output power suits short-range indoor deployments where extended range is unnecessary. Consider the QFN-32 footprint constraints and thermal dissipation capabilities during the PCB layout phase to ensure reliable operation across the specified industrial temperature range.

RF Transceiver ICS Part Context

This model belongs to the EFR32BG21 Blue Gecko family, targeting cost-sensitive Bluetooth applications. It shares architectural similarities with other BG21 variants but differs in memory size and RF power levels. The device competes in the low-power wireless microcontroller market, offering a compact solution for developers needing integrated MCU and radio functionality without external components.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.