Microchip 56-Pin QFN Controller IC 3.3 V 100 Mbps USB Full Duplex/Half Duplex LAN9730I-ABZJ

Microchip LAN9730I-ABZJ is a 56-pin QFN (Quad Flat No-Lead) package controller IC designed for USB 2.0 to 10/100 Ethernet conversions. Operating at a maximum supply voltage of 3.3 V, it supports data transfer speeds up to 100 Mbps and offers both full duplex and half duplex communication modes to optimize network performance.

This controller IC conforms to Ethernet interface standards IEEE 802.3 and IEEE 802.3u, ensuring compatibility with a wide range of network protocols. Featuring an internal loopback mode, it facilitates effective diagnostic testing and troubleshooting during system development.

The surface mount design with a compact footprint (8mm length, 8mm width, and 1mm height) enables integration into modern, space-constrained electronic devices. With a low supply current of 30 mA, the component is energy efficient, suiting power-sensitive applications.

Operating temperature specifications range from -40°C to 85°C, making it suitable for use in harsh industrial environments as well as commercial embedded systems. This IC is not compliant with automotive standards, hence recommended primarily for industrial, laboratory, and embedded equipment applications.

The Microchip LAN9730I-ABZJ controller IC serves critical roles in networking equipment, embedded system designs, and Ethernet interface development kits. It supports seamless USB connectivity with Ethernet devices, enhancing device networking capabilities in manufacturing, testing, and commercial setups.

56-pin QFN package with surface mount technology. Consistent operation within -40°C to 85°C temperature range. Supports 100 Mbps data transmission rates. Compatible with IEEE 802.3 and IEEE 802.3u Ethernet standards. Low supply current usage at 30mA.

Internal loopback mode for system diagnostics. USB interface type with full and half duplex modes.

This product is ideal for engineers and designers engaged in electronic component integration for Ethernet communication interfaces. It bridges USB and Ethernet protocols effectively, facilitating enhanced data transfer and network system implementation.

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