The GL850G-QFN28 is a USB 2.0 hub controller manufactured by Genesys Logic. This chip is designed to expand a single USB port into multiple ports, allowing users to connect more USB devices to their computers or embedded systems. It supports high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) USB devices and is commonly used in USB hubs, docking stations, and other USB expansion devices.

Applications:

• USB hubs
• Docking stations
• Embedded systems requiring multiple USB ports
• PC peripherals
• Laptop port expanders

Features:

• USB 2.0 compliant hub controller
• Supports high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) data transfer
• Integrated USB transceiver
• Supports up to 4 downstream ports
• QFN28 package

Benefits:

• Provides a cost-effective solution for expanding USB connectivity
• Ensures high-speed data transfer for USB 2.0 devices
• Reduces BOM cost and PCB area due to integrated design
• Offers compatibility with a wide range of USB peripherals
• Compact QFN28 package for space-constrained applications

Technical Specifications:

The GL850G-QFN28 operates at a voltage of 3.3V. It supports USB 2.0 specifications and is backward compatible with USB 1.1 devices. It features an integrated USB transceiver and supports up to 4 downstream ports, all capable of handling high-speed, full-speed, and low-speed transfers. Its operating temperature range is typically from 0°C to 70°C. The device is packaged in a QFN28 package, suitable for surface mount assembly. Power consumption is optimized with a low-power mode for idle ports.