The GL819SC272 is a highly integrated USB 2.0 hub controller from Genesys Logic. It is designed to provide a cost-effective and efficient solution for adding multiple USB ports to a variety of devices, including PCs, laptops, docking stations, and other embedded systems.

Applications:

• Expanding USB port availability on desktop and laptop computers.
• Integration into USB hubs and docking stations.
• Use in embedded systems requiring multiple USB connections.
• Automotive infotainment systems.
• Industrial control devices.

Features:

• Compliant with USB 2.0 specifications, supporting high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) data transfers.
• Four downstream USB ports, allowing for connection of multiple USB devices.
• Integrated USB transceiver for improved signal integrity and reduced external component count.
• Supports both individual and gang power management, enabling efficient power consumption.
• Integrated 5V to 3.3V regulator, simplifying power supply design.
• Supports bus-powered and self-powered modes.
• Available in a compact LQFP package for space-constrained applications.
• Supports over-current detection and protection on downstream ports.

Benefits:

• Provides a simple and cost-effective way to add multiple USB ports to a system.
• Ensures compatibility with a wide range of USB devices.
• Reduces system power consumption through efficient power management.
• Simplifies system design with integrated components.
• Offers robust protection against over-current conditions.
• Small package size allows for integration into compact devices.

Additional Details:

The GL819SC272 operates over a wide temperature range, making it suitable for use in various environments. It incorporates advanced power management features to minimize power consumption when USB ports are not in use. The integrated transceiver ensures reliable data transfer, even in noisy environments. It also includes built-in over-current protection to safeguard connected devices from damage. The device's compatibility with both bus-powered and self-powered modes provides flexibility in system design. The LQFP package facilitates easy integration into a variety of PCB layouts.