LAN7800-I/VSX

Product Overview

Category: Ethernet Controller

Use: The LAN7800-I/VSX is a high-performance, low-power USB 2.0 to Gigabit Ethernet controller designed for embedded applications. It provides a seamless interface between USB-enabled devices and Ethernet networks.

Characteristics: - High performance: Supports full-duplex Gigabit Ethernet operation with auto-negotiation capability. - Low power consumption: Incorporates advanced power management features to minimize energy usage. - Compact package: Comes in a small form factor package, making it suitable for space-constrained designs. - Easy integration: Offers a simple and flexible solution for adding Ethernet connectivity to various devices.

Package: The LAN7800-I/VSX is available in a compact 48-pin QFN package.

Essence: This Ethernet controller enables USB devices to connect to Ethernet networks, facilitating fast and reliable data transfer.

Packaging/Quantity: The LAN7800-I/VSX is typically sold in reels of 250 units.

Specifications

• USB Compliance: USB 2.0
• Ethernet Compliance: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
• Data Rate: 10/100/1000 Mbps (auto-negotiation supported)
• Power Supply: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Dimensions: 7mm x 7mm x 0.8mm

Detailed Pin Configuration

The LAN7800-I/VSX features a total of 48 pins, each serving a specific function. For a detailed pin configuration diagram, please refer to the product datasheet.

Functional Features

1. USB to Ethernet Conversion: Enables USB devices to communicate over Ethernet networks.
2. Auto-Negotiation: Automatically detects and configures the optimal Ethernet connection speed.
3. Advanced Power Management: Incorporates power-saving features to minimize energy consumption.
4. Jumbo Frame Support: Allows for the transmission of larger data packets, improving network efficiency.
5. Wake-on-LAN Support: Enables devices to be remotely powered on via Ethernet signals.

Advantages and Disadvantages

Advantages: - High-performance Gigabit Ethernet connectivity - Low power consumption - Compact form factor - Easy integration into various devices - Supports advanced networking features

Disadvantages: - Limited to USB 2.0 interface - Not suitable for applications requiring higher data transfer rates (e.g., USB 3.0 or higher)

Working Principles

The LAN7800-I/VSX operates by converting USB data packets into Ethernet frames, allowing USB devices to communicate over Ethernet networks. It utilizes advanced networking protocols and auto-negotiation capabilities to establish a reliable and high-speed connection. The controller incorporates power management features to optimize energy usage and supports additional functionalities such as Wake-on-LAN.

Detailed Application Field Plans

The LAN7800-I/VSX is widely used in various embedded applications that require USB-to-Ethernet connectivity. Some common application fields include: - Industrial automation systems - Internet of Things (IoT) devices - Home networking equipment - Medical devices - Gaming consoles

Alternative Models

For users seeking alternative options, the following models provide similar functionality to the LAN7800-I/VSX: 1. LAN7801-I/VSX 2. LAN7802-I/VSX 3. LAN7803-I/VSX

These models offer comparable features and can be considered as alternatives based on specific requirements.

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