EFR32BG12P132F1024GL125-BR

RF Transceiver ICS Overview

The EFR32BG12P132F1024GL125-BR is a Blue Gecko Bluetooth Low Energy System on Chip manufactured by Silicon Labs. It integrates an ARM Cortex-M4 core operating at a maximum clock frequency of 40 MHz with 1 MB of program memory and 128 kB of RAM. The device supports 2.4 GHz operation with a maximum data rate of 2 Mbps, delivering up to 19 dBm output power and achieving -91.3 dBm sensitivity. It features 31 general-purpose I/O pins and includes a 12-bit ADC. Power supply ranges from 1.8 V to 3.8 V, with receiving current at 10 mA and transmitting current at 8.5 mA. The component operates within a temperature range of -40°C to +85°C and is housed in a QFN-48 package.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M4 processor with substantial onboard memory for complex application logic
• Supports Bluetooth Low Energy and proprietary protocols at 2.4 GHz with high transmission power
• Provides multiple serial communication interfaces for peripheral connectivity

RF Transceiver ICS Applications

• Bluetooth Smart sensor nodes
• Wireless home automation devices
• Personal health and fitness trackers
• Asset tracking tags

RF Transceiver ICS Procurement Notes

Verify the specific suffix BR indicates reel packaging when confirming order details. Ensure the QFN-48 footprint matches the target PCB design. Confirm RoHS compliance status through official documentation prior to procurement. Validate that the 128 kB RAM allocation meets the final application requirements.

RF Transceiver ICS Selection Notes

Select this model for applications requiring moderate GPIO count and standard 2.4 GHz BLE connectivity. Compare against higher-pin variants if more interface lines are needed. Consider the QFN-48 package constraints for thermal management and board space. Verify compatibility with existing firmware libraries for the Blue Gecko series.

RF Transceiver ICS Part Context

This component belongs to the Silicon Labs Blue Gecko family, designed specifically for Bluetooth Low Energy applications. It shares architectural similarities with other BG12 parts but differs in pin count and package type. The series emphasizes low power consumption and integrated radio performance for IoT deployments.

RF Transceiver ICS Replacement Considerations

EFR32BG12P132F1024GL125-C serves as a tray-packaged alternative with identical electrical specifications. EFR32BG12P232F1024GL125-CR offers increased RAM capacity in a BGA-125 package. Cross-reference pinouts carefully when substituting between different package types.