The Via VL801-B3 is a USB 3.0 host controller. It provides systems with USB 3.0 connectivity, allowing them to interface with USB 3.0 devices at high speeds. The VL801-B3 is a single-chip solution designed for easy integration into various platforms.

Applications:

• Desktop Motherboards
• Laptop Computers
• Add-in Cards
• Embedded Systems
• USB Hubs

Features:

• USB 3.0 Compliant: Supports SuperSpeed USB data transfer rates up to 5Gbps.
• Four Downstream Ports: Provides connectivity for up to four USB 3.0 devices simultaneously.
• PCI Express Interface: Connects to the host system via PCI Express, offering high bandwidth and low latency.
• xHCI Compliant: Compliant with the eXtensible Host Controller Interface (xHCI) specification, ensuring compatibility with various operating systems and drivers.
• Backward Compatibility: Compatible with USB 2.0 and USB 1.1 devices, ensuring seamless operation with older peripherals.
• Low Power Consumption: Designed for efficient power usage, making it suitable for mobile and embedded applications.

Benefits:

• High-Speed Data Transfer: Facilitates rapid transfer of large files between computers and USB 3.0 devices, significantly improving workflow efficiency.
• Increased Connectivity: Offers multiple USB 3.0 ports, enabling the connection of various peripherals without the need for external hubs.
• Improved Performance: Delivers enhanced data transfer rates compared to USB 2.0, reducing waiting times and boosting productivity.
• Easy Integration: Simplifies the addition of USB 3.0 functionality to a system, reducing design complexity and time-to-market.
• Wide Compatibility: Ensures seamless operation with a broad range of USB devices, both new and old.

The VL801-B3 is typically packaged in a QFN (Quad Flat No-Leads) package, contributing to its compact size and ease of integration. Its design prioritizes high performance and low power consumption, making it a versatile solution for various computing platforms. The xHCI compliance guarantees broad compatibility and simplifies driver development. This controller provides a cost-effective and efficient way to add USB 3.0 capabilities to a system.