CYW43353LIUBGT

RF Transceiver ICS Overview

The CYW43353LIUBGT is an automotive-grade RF transceiver and microcontroller unit (MCU) from Infineon Technologies. It supports concurrent Bluetooth v4.1 and Wi-Fi 802.11a/b/g/n/ac protocols across 2.4GHz and 5GHz frequency bands. The device features a 145-WLBGA package measuring 4.87x5.41 mm, operating within a -40°C to 85°C temperature range. It utilizes I2S, SPI, and UART serial interfaces with 9 GPIOs, powered by a 1.2V to 3.3V supply.

RF Transceiver ICS Feature Summary

• Concurrent dual-mode wireless connectivity for Bluetooth and Wi-Fi
• Automotive-grade reliability compliant with AEC-Q100 standards
• Integrated MCU architecture reducing system component count

RF Transceiver ICS Applications

• In-vehicle infotainment systems
• Automotive telematics units
• Smart keyless entry and start systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix LIUBGT against the official Infineon datasheet to confirm the exact package variant and tape-and-reel specifications. Ensure the procurement channel provides valid RoHS compliance documentation and confirms the active manufacturing status, as part numbers may have inactive aliases or alternate packaging options.

RF Transceiver ICS Selection Notes

Select this component when designing for environments requiring simultaneous Bluetooth and Wi-Fi operations under strict automotive thermal conditions. The integrated MCU capability simplifies board layout compared to discrete solutions. Confirm that the host system can support the required 1.2V to 3.3V voltage domains and interface protocols.

RF Transceiver ICS Part Context

This part belongs to the CYW43353 family of highly integrated wireless connectivity platforms. It is engineered specifically for automotive applications, offering a compact solution for in-vehicle networking. The component replaces separate radio and controller chips, streamlining the design process for modern vehicle electronics.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing firmware and hardware designs before considering any alternative components.