EFR32BG21A020F512IM32-DR

$2.52

Description：IC RF TXRX+MCU BLE 32QFN
Series：EFR32BG21
Mfr：Silicon Labs
Package：Tape & Reel (TR)

SKU:6854725c4b80 Category: RF Transceiver ICs Brand: Silicon Labs

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Product introduction

EFR32BG21A020F512IM32-DR is listed in the RF Transceiver ICS range at ChipApex. The manufacturer field lists Silicon Labs. Its product description is IC RF TXRX+MCU BLE 32QFN. Review the specifications below when checking this part for your BOM.

RF Transceiver ICS specifications for EFR32BG21A020F512IM32-DR

Description：IC RF TXRX+MCU BLE 32QFN
Series：EFR32BG21
Mfr：Silicon Labs
Package：Tape & Reel (TR)
Type：TxRx + MCU
RF Family/Standard：Bluetooth
Protocol：Bluetooth v5.0
Modulation：DSSS, GFSK
Frequency：-
Data Rate (Max)：2Mbps
Power - Output：20dBm
Sensitivity：-105dBm
Memory Size：512kB Flash, 64kB RAM
Serial Interfaces：GPIO, I2C, I2S, IrDA, PWM, SPI, UART, USART
Voltage - Supply：1.71V ~ 3.8V
Current - Receiving：8.8mA ~ 9.8mA
Current - Transmitting：9.3mA ~ 186.5mA
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：32-VFQFN Exposed Pad
Supplier Device Package：32-QFN (4x4)
GPIO：20
Grade：-
Qualification：-

RF Transceiver ICS datasheet and documents for EFR32BG21A020F512IM32-DR

EFR32BG21A020F512IM32-DR

RF Transceiver ICS Overview

The EFR32BG21A020F512IM32-DR is a Bluetooth Low Energy System on Chip from Silicon Labs' Blue Gecko series. It integrates an ARM Cortex-M33 core operating at up to 80 MHz with 512 kB of flash memory and 64 kB of RAM. The device supports Bluetooth 5.1 protocols at 2.4 GHz, delivering 20 dBm output power and -94 dBm sensitivity. It operates within a 1.71 V to 3.8 V supply range, featuring 20 GPIOs and interfaces including I2C, SPI, UART, and I2S. Packaged in a QFN-32 (4x4 mm) format, it functions between -40°C and +125°C.

RF Transceiver ICS Feature Summary

Integrates an ARM Cortex-M33 processor with hardware cryptographic acceleration for secure data processing.
Provides high RF performance with 20 dBm output power and optimized receive sensitivity for reliable wireless connectivity.
Supports Bluetooth 5.1 standards alongside multi-protocol capabilities for flexible wireless application development.

RF Transceiver ICS Applications

Smart home devices requiring secure BLE connectivity
Industrial sensor nodes and monitoring equipment
Wearable electronics and health tracking devices

RF Transceiver ICS Procurement Notes

Verify the specific suffix DR indicates reel packaging when sourcing. Confirm the A020 variant corresponds to the 20 dBm power class and 512 kB memory configuration. Ensure compatibility with the QFN-32 footprint during PCB layout. Cross-reference the official datasheet for moisture sensitivity levels and reflow soldering profiles prior to assembly.

RF Transceiver ICS Selection Notes

Select this model for applications demanding high transmit power and robust security features within a compact form factor. Compare against lower power variants if energy consumption is critical, or higher memory options if complex firmware is required. Ensure the 80 MHz clock speed meets real-time processing requirements for the intended protocol stack.

RF Transceiver ICS Part Context

This component belongs to the EFR32BG21 Blue Gecko family, designed for Bluetooth 5.1 applications. It shares the QFN-32 package and Cortex-M33 core with other variants like the EFR32BG21B020F512IM32-DR, differing primarily in regional certification codes and specific memory configurations within the same series.