The SMSC USB2512I is a highly integrated, low-power, two-port USB 2.0 hub controller. It is designed to provide a simple and cost-effective solution for adding USB connectivity to a variety of embedded systems and consumer electronics devices. This hub controller is compliant with the USB 2.0 specification, supporting high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) data transfer rates.

Applications

• Docking Stations: Used to expand the USB ports available in docking stations for laptops and other mobile devices.
• Embedded Systems: Integrated into embedded systems to provide USB host connectivity.
• Consumer Electronics: Found in devices like TVs, set-top boxes, and gaming consoles to offer multiple USB ports.
• Industrial Automation: Used in industrial control systems to connect various USB-based peripherals.
• Automotive Infotainment: Integrated into car infotainment systems to provide USB connectivity for media players and other devices.

Features

• Two Downstream Ports: Provides two USB 2.0 downstream ports.
• USB 2.0 Compliant: Fully compliant with the USB 2.0 specification.
• Low Power Consumption: Designed for low power operation, suitable for battery-powered devices.
• Integrated Transaction Translator: Includes an integrated transaction translator for optimal performance.
• Over-Current Protection: Features over-current protection on the downstream ports to prevent damage from excessive current draw.
• Individual Port Power Control: Allows individual power control of each downstream port.
• Self-Powered and Bus-Powered Modes: Supports both self-powered and bus-powered modes of operation.
• Small Package: Available in a compact package for space-constrained applications.

Benefits

• Increased Connectivity: Expands the number of available USB ports, allowing for more devices to be connected.
• High-Speed Data Transfer: Supports high-speed USB 2.0 data transfer rates for fast and efficient data communication.
• Low Power Operation: Minimizes power consumption, extending battery life in portable devices.
• Reliable Performance: Provides reliable USB connectivity with integrated protection features.
• Cost-Effective Solution: Offers a cost-effective way to add USB functionality to various systems.
• Easy Integration: Simple to integrate into existing designs with minimal external components.

Additional Details

The USB2512I typically requires a 12 MHz crystal oscillator. It also features internal pull-up and pull-down resistors which reduces the need for external components. It is available in various package options depending on the manufacturer's specific offering. Further information can be obtained from the SMSC datasheet. Operating temperature ranges will also vary depending on manufacturer specification, so it is important to consult the relevant datasheet.