EFR32BG12P232F1024GM48-BR

RF Transceiver ICS Overview

The EFR32BG12P232F1024GM48-BR is a Blue Gecko Bluetooth Low Energy System on Chip from Silicon Labs, housed in a QFN-48 package. It integrates an ARM Cortex-M4 core operating at up to 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 19 dBm output power and -91.3 dBm sensitivity. It functions within a supply voltage range of 1.8 V to 3.8 V, consuming 10 mA during reception and 8.5 mA during transmission. The component features 31 GPIOs, a 12-bit ADC, and serial interfaces, supporting an industrial temperature range of -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M4 processor with substantial onboard flash and RAM for efficient BLE protocol handling.
• Delivers high RF performance with 19 dBm transmit power and sensitive reception capabilities in a compact form factor.
• Supports flexible connectivity through multiple serial communication interfaces and extensive general-purpose input/output options.

RF Transceiver ICS Applications

• Bluetooth Low Energy wireless sensor nodes
• Smart home actuators and controllers
• Industrial monitoring devices requiring robust RF range

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel configuration. Check current lifecycle status as this part may be marked as Not Recommended for New Designs. Ensure compatibility with existing PCB footprints and reflow profiles. Confirm that the required firmware tools support this specific silicon revision. Validate supply chain availability due to potential end-of-life implications.

RF Transceiver ICS Selection Notes

Choose this model when a balance of moderate pin count and high transmit power is required in a small QFN-48 footprint. It is suitable for designs needing 31 GPIOs and 1 MB of code space. Compare against variants with different GPIO counts or lower power outputs if size constraints are less critical. Ensure the application does not require the extended temperature range found in other series members.

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 memory size, GPIO count, and package style. The 'BR' suffix typically indicates reel packaging. It sits between lower-pin-count models and higher-performance Flex Gecko series in terms of resource allocation.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Silicon Labs replacement guides for lifecycle transitions.