EmbeddedRelated.com
The 2026 Embedded Online Conference
LAN7800I/VSX

MCHPLAN7800I/VSX

Microchip Technology
Newer Microchip USB-to-Ethernet controller family (USB 3.x/Gigabit capable) for higher bandwidth requirements.
Active11,974 in stock

Overview

The Microchip LAN7800I/VSX is a high-performance USB 3.1 Gen 1 to Gigabit Ethernet controller designed for applications requiring high-bandwidth network connectivity. It integrates a SuperSpeed USB controller, a 10/100/1000 Base-TX PHY, and an Ethernet MAC. This device supports a wide operating temperature range from -40C to 85C, making it suitable for industrial and embedded environments.

Why Choose This Part

Engineers benefit from the LAN7800I/VSX's SuperSpeed USB 3.1 Gen 1 interface, supporting up to 5 Gbps, which eliminates bottlenecks common with older USB-to-Ethernet solutions. Its integrated 10/100/1000 Base-TX PHY ensures compatibility with various network infrastructures. Advanced features like Energy Efficient Ethernet, Wake on LAN, and checksum offloading reduce host CPU overhead and power consumption, making it suitable for power-sensitive applications.

Applications

Embedded Systems with USB Host
Enabling Gigabit Ethernet connectivity for embedded devices that have a USB 3.1 Gen 1 host port but lack an integrated Ethernet MAC or PHY.
Industrial Automation Equipment
Providing robust and high-speed network interfaces for industrial control units, HMI panels, and other equipment operating in harsh environments due to its wide temperature range and industrial qualifications.
Single Board Computers (SBCs)
Adding Gigabit Ethernet capabilities to SBCs or custom compute modules that offer USB 3.1 Gen 1, extending their networking options for data-intensive applications.
Docking Stations and USB Hubs
Integrating high-speed wired network access into USB 3.x docking stations and hubs, allowing connected devices to achieve Gigabit Ethernet speeds.
Test and Measurement Equipment
Facilitating fast and reliable data transfer for test instruments and data acquisition systems that require a high-bandwidth Ethernet connection via USB.

Key Specifications

Function Controller
Protocol Ethernet
Standards 10/100/1000 Base-TX PHY
Package / Case 48-VFQFN Exposed Pad
Current - Supply 1 ~ 4mA
Voltage - Supply 1.2V, 2.5V, 3.3V
Operating Temperature -40degC ~ 85degC
Supplier Device Package 48-SQFN (6x6)

Getting Started

To get started, developers can utilize Microchip's comprehensive documentation and driver support for various operating systems. Evaluation boards are typically available for the LAN780x series, providing a ready-to-use platform for testing and development. Familiarity with USB and Ethernet protocols will aid in integration.

The 2026 Embedded Online Conference