CYW4390DKWBG

RF Transceiver ICS Overview

The CYW4390DKWBG is a Wi-Fi 4 (802.11b/g/n) transceiver integrated with an MCU, manufactured by Infineon Technologies. It operates at a frequency of 2.4GHz and supports data rates up to 72Mbps. The device features a 286-WLCSP package measuring 4.87x5.41mm. Key electrical parameters include a maximum output power of 20.5dBm and a sensitivity of -98.4dBm. It accepts supply voltages between 1.2V and 3.3V and includes 24 GPIOs. Interfaces supported are I2C, I2S, JTAG, SPI, and UART. Modulation schemes include BPSK, CCK, DSSS, QPSK, 16QAM, 64QAM, and OFDM. Operating temperature ranges from -30°C to 85°C.

RF Transceiver ICS Feature Summary

• Integrates RF transceiver functionality with a microcontroller unit for system-on-chip efficiency.
• Supports 802.11b/g/n protocols for reliable wireless connectivity in the 2.4GHz band.
• Provides multiple digital interfaces including SPI, I2C, and UART for versatile peripheral integration.

RF Transceiver ICS Applications

• IoT devices requiring integrated Wi-Fi and processing capabilities
• Smart home appliances with wireless control needs
• Industrial sensors utilizing 2.4GHz communication

RF Transceiver ICS Procurement Notes

Verify component authenticity through authorized distributors as this part is marked inactive. Confirm package integrity upon receipt due to WLCSP sensitivity. Check RoHS compliance certificates for environmental standards. Ensure storage conditions meet moisture sensitivity level requirements before reflow soldering. Validate pinout compatibility with existing PCB layouts prior to procurement.

RF Transceiver ICS Selection Notes

Select this component when a combined Wi-Fi radio and MCU solution is required to reduce board space. Consider the 2.4GHz limitation if dual-band operation is necessary. Evaluate the 286-pin WLCSP footprint against available PCB real estate. Assess thermal management needs given the operating temperature range and power output specifications.

RF Transceiver ICS Part Context

This part belongs to the CYW4390 family of Wi-Fi connected MCUs. It represents an integration of radio frequency transmission and reception with computing resources. The specific suffix indicates the package type and variant within the broader product line designed for compact wireless applications.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Consult official manufacturer documentation for current active equivalents or direct replacements within the same product family.