The GL852GC is a high-performance, low-power USB 2.0 hub controller manufactured by Genesys Logic. It is designed to provide multiple USB ports from a single USB connection, making it ideal for applications such as USB hubs, docking stations, and embedded systems. The GL852GC is fully compliant with the USB 2.0 specification and supports high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) data transfer rates.

Applications:

• Standalone USB hubs
• Docking stations for laptops and mobile devices
• Embedded systems requiring multiple USB ports
• Computer peripherals (keyboards, mice)
• USB dongles

Features:

• USB 2.0 Compliant: Fully compliant with the USB 2.0 specification.
• Four Downstream Ports: Provides four USB ports for connecting USB devices.
• Integrated USB Transceivers: Includes integrated USB transceivers for high-speed data transfer.
• Automatic Switching Between Self-Powered and Bus-Powered Modes: Automatically switches between self-powered and bus-powered modes depending on the available power.
• Individual Port Power Control: Supports individual port power control for power saving and device management.
• Overcurrent Protection: Includes overcurrent protection for each downstream port.
• Small Package: Available in a compact package for space-constrained designs.

Benefits:

• Expanded USB Connectivity: Provides multiple USB ports from a single USB connection.
• High-Speed Data Transfer: Supports high-speed USB 2.0 data transfer rates.
• Power Efficiency: Low-power design minimizes power consumption.
• Enhanced System Reliability: Overcurrent protection prevents damage from overloaded USB devices.
• Easy Integration: Simple integration into various USB hub applications.

Additional Details:

The GL852GC utilizes a single-chip solution, integrating the USB transceivers, hub controller logic, and power management circuitry. It supports both self-powered and bus-powered modes, allowing for flexibility in different application scenarios. Individual port power control enables the user to selectively enable or disable power to each port, conserving power when devices are not in use. Refer to the Genesys Logic datasheet for detailed electrical characteristics, timing specifications, and application notes.