CYW4390DKWBGT

RF Transceiver ICS Overview

The CYW4390DKWBGT is a Wi-Fi System-on-Chip (SoC) from Infineon Technologies, integrating an RF transceiver with a microcontroller unit. It supports IEEE 802.11b/g/n protocols operating at the 2.4GHz frequency band. The device features a maximum data rate of 72Mbps and utilizes modulation schemes including BPSK, QPSK, 16QAM, 64QAM, CCK, DSSS, and OFDM. Key electrical parameters include a transmit power output of 20.5dBm and a receiver sensitivity of -98.4dBm. It operates on a supply voltage range of 1.2V to 3.3V and functions within a temperature range of -30°C to 85°C.

RF Transceiver ICS Feature Summary

• Integrates a 2.4GHz Wi-Fi transceiver with an MCU for compact system design
• Supports standard 802.11b/g/n wireless communication protocols
• Provides multiple serial interfaces including I2C, SPI, UART, and JTAG

RF Transceiver ICS Applications

• IoT devices requiring integrated wireless connectivity
• Embedded systems utilizing 2.4GHz communication standards
• Consumer electronics needing compact RF solutions

RF Transceiver ICS Procurement Notes

Verify component status carefully as this part is listed as obsolete or NRND in several distributor records. Confirm availability through authorized channels only, as stock may be limited or discontinued. Ensure that any procurement aligns with current design lifecycle recommendations to avoid future supply chain disruptions. Cross-reference datasheet revisions before integration.

RF Transceiver ICS Selection Notes

Select this component only if legacy support for 802.11b/g/n at 2.4GHz meets specific project requirements. Consider the integrated MCU capabilities alongside the RF performance metrics. Evaluate the 286-WLCSP package constraints for PCB layout. Assess thermal management needs given the operational temperature range and power output specifications.

RF Transceiver ICS Part Context

This SoC belongs to the broader category of wireless and RF integrated circuits manufactured by Infineon Technologies. It combines radio frequency transmission and reception capabilities with microcontroller processing units. The device is designed for applications requiring efficient space utilization and integrated wireless functionality without external RF components.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status indicated in source materials, direct replacements should be verified against official Infineon transition notices or equivalent modern Wi-Fi SoCs with compatible pinouts and protocol support.