EFR32FG12P431F1024GM48-B

RF Transceiver ICS Overview

The EFR32FG12P431F1024GM48-B is a Blue Gecko RF System-on-Chip from Silicon Labs, featuring an ARM Cortex-M4 core operating at up to 40 MHz. It supports sub-GHz frequencies including 169, 315, 433, 490, 868, and 915 MHz with a maximum data rate of 2 Mbps. The device provides 19.5 dBm output power and -95.2 dBm sensitivity. It includes 1 MB program memory and 256 kB RAM. Operating voltage ranges from 1.8 V to 3.8 V. Current consumption is 10.8 mA during reception and 126.7 mA during transmission. It features a QFN-48 package, 31 GPIOs, and operates between -40°C and +85°C.

RF Transceiver ICS Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor with extensive on-chip memory for complex application logic.
• Delivers robust sub-GHz wireless connectivity with optimized power efficiency for battery-operated devices.
• Provides flexible peripheral interfaces including I2C, UART, and USART for diverse sensor and actuator integration.

RF Transceiver ICS Applications

• Smart home automation systems
• Industrial remote control and monitoring
• Wireless metering solutions

RF Transceiver ICS Procurement Notes

Verify component authenticity through authorized channels due to the NRND status. Confirm package integrity upon receipt as moisture sensitivity requires proper handling. Review latest datasheets for any design-in updates before finalizing procurement specifications.

RF Transceiver ICS Selection Notes

Select this model for applications requiring sub-GHz range and moderate processing power. Ensure compatibility with existing antenna designs for optimal performance. Evaluate thermal requirements given the transmission current levels in enclosed spaces.

RF Transceiver ICS Part Context

This part belongs to the Flex Gecko family, designed for cost-sensitive sub-GHz IoT applications. It shares architectural similarities with other EFR32 variants but offers specific memory and pin configurations tailored for general-purpose wireless control tasks.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Silicon Labs resources for potential obsolescence management or next-generation replacements.