EFR32BG12P433F1024GM48-BR

RF Transceiver ICS Overview

The EFR32BG12P433F1024GM48-BR is a Blue Gecko Bluetooth Low Energy System-on-Chip from Silicon Labs, housed in a QFN-48 package. It features an ARM Cortex-M4 core operating at up to 40 MHz with 1 MB program memory and 256 kB RAM. The device supports dual-band operation across sub-GHz frequencies (169, 315, 433, 490, 868, 915 MHz) and 2.4 GHz, delivering up to 19 dBm output power. Key electrical parameters include a maximum data rate of 2 Mbps, -91.3 dBm sensitivity, and supply voltage range of 1.8 V to 3.8 V. It offers 31 GPIOs and operates within a temperature range of -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor with substantial non-volatile memory for complex application logic.
• Supports multi-frequency RF operation including sub-GHz bands and 2.4 GHz for versatile wireless connectivity.
• Provides extensive general-purpose input/output interfaces for peripheral integration.

RF Transceiver ICS Applications

• Bluetooth Low Energy sensor nodes
• Smart home actuators and controllers
• Industrial monitoring devices requiring sub-GHz or BLE connectivity

RF Transceiver ICS Procurement Notes

Verify component status as Not Recommended for New Designs (NRND). Confirm availability through authorized distributors. Ensure compliance with RoHS specifications. Check moisture sensitivity levels for proper handling. Validate pinout compatibility with existing PCB layouts before procurement.

RF Transceiver ICS Selection Notes

Select this model for designs requiring both sub-GHz and 2.4 GHz capabilities within a single SoC. Consider the 1 MB flash capacity for firmware complexity. Evaluate the QFN-48 thermal performance requirements. Compare against Mighty Gecko variants if mesh networking protocols like Zigbee are required instead of pure BLE.

RF Transceiver ICS Part Context

This component belongs to the EFR32BG12 Blue Gecko family, designed specifically for Bluetooth Low Energy applications. It shares architectural similarities with other G12 series chips but is optimized for BLE protocols. The part number suffix indicates specific packaging and regional variations within the standard product line.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the NRND status, alternative selection should involve consulting current Silicon Labs portfolios for equivalent multi-band BLE solutions.