Microchip 48-Pin QFN Ethernet Transceiver 3.3 V RGMII Full Duplex/Half Duplex KSZ9131RNXI

Microchip KSZ9131RNXI is a highly integrated Ethernet transceiver packaged in a 48-pin QFN layout. It operates at a supply voltage of 3.3 V and supports a triple-speed Ethernet communication standard including 10Base-T, 100Base-TX, and 1000Base-T over standard CAT-5, CAT-5e, and CAT6 UTP cables. The device supports both full duplex and half duplex communication modes, making it suitable for flexible network applications.

The transceiver features internal loopback mode for easy diagnostics and system testing. It includes an MDC/MDIO management interface which enables PHY register configuration and control. Advanced features such as automatic detection and correction of pair swaps, pair skew, and pair polarity enhance signal integrity and installation ease.

Power management is optimized with integrated power-down and power-saving capabilities. LED outputs are programmable to indicate link status, activity, and network speed, providing clear user feedback. The KSZ9131RNXI supports Wake-on-LAN (WOL) functionality with robust custom-packet detection to facilitate remote wake-up for energy saving in endpoint devices.

This device is designed for operation across a wide temperature range from -40°C up to 85°C, ensuring robustness in diverse industrial and commercial environments. The compact 7mm square QFN package with a height of 1mm is optimized for space-constrained PCB designs and surface mount assembly.

Supports IEEE 802.3 Ethernet standards for broad compatibility. Communication modes include full duplex and half duplex for versatile networking. Internal loopback feature facilitates diagnostics. Power-saving and power-down modes promote low power consumption.

Automatic pair swap, skew, and polarity detection enhances signal quality. Programmable LEDs for detailed network status indication. Wake-on-LAN functionality with custom-packet detection for remote wake-up. Compact surface-mount 48-pin QFN package, 7mm x 7mm x 1mm in size.

Operating temperature range from -40°C to 85°C supports industrial use cases.

The Microchip KSZ9131RNXI is ideal for industrial, telecommunications, consumer electronics, and embedded systems requiring reliable, high-speed Ethernet interface with integrated diagnostics and power management functions. Browse more Ethernet transceiver ICs and other semiconductor products for networking at EnvMart.

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