CYW20704UA1KFFB1GT

RF Transceiver ICS Overview

The CYW20704UA1KFFB1GT is a single-chip Bluetooth transceiver and baseband processor from Infineon Technologies. It integrates a Bluetooth 5.0 compliant baseband processor with an integrated 2.4 GHz transceiver. The component utilizes a 49-FCBGA package, specifically designated as 4.5x4 mm. It supports Bluetooth Low Energy (BLE) and IEEE 802.15.4 protocols. The device operates as a stand-alone processor for wireless connectivity applications.

RF Transceiver ICS Feature Summary

• Integrates Bluetooth 5.0 compliant baseband processing with a 2.4 GHz radio transceiver on a single chip
• Supports Bluetooth Low Energy (BLE) and IEEE 802.15.4 wireless communication standards
• Designed as a stand-alone processor eliminating the need for external baseband components

RF Transceiver ICS Applications

• Bluetooth Low Energy peripheral devices
• IEEE 802.15.4 sensor nodes
• Wireless audio accessories

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'GT' against official Infineon documentation to confirm tape-and-reel packaging configuration. Confirm that the part number matches the exact pinout and electrical specifications required for the design. Check current lifecycle status as older variants may be marked as Not Recommended for New Designs (NRND). Ensure compatibility with existing PCB footprints for the 49-FCBGA package.

RF Transceiver ICS Selection Notes

Select this component when a combined Bluetooth 5.0 and IEEE 802.15.4 solution is required in a compact form factor. The integrated nature of the baseband and RF sections reduces board space compared to discrete solutions. Consider the 49-FCBGA package constraints during layout. Verify power supply requirements and thermal dissipation capabilities for the intended application environment.

RF Transceiver ICS Part Context

This part belongs to the CYW20704 series of Bluetooth transceivers. It is distinct from other models like the CYW20703 or CYW20706 which may have different memory sizes or feature sets. The UA1KFFB1G suffix indicates specific packaging and environmental compliance attributes defined by Infineon. It serves as a foundational component for IoT and wearable connectivity designs.

RF Transceiver ICS Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult Infineon's official replacement guides or contact technical support for qualified alternatives if this component is obsolete or unavailable.