Professional IC Distribution & Technical Solutions

The GL850G-HHY22 is a USB 2.0 hub controller manufactured by GENESYS. Below are its key specifications, descriptions, and features:

Specifications:

• Interface: USB 2.0 compliant (High-Speed 480 Mbps, Full-Speed 12 Mbps, Low-Speed 1.5 Mbps)
• Ports: Supports up to 4 downstream ports
• Power Management: Supports individual or ganged power switching and overcurrent detection
• Operating Voltage: 3.3V
• Package: QFN-28 (Quad Flat No-Lead, 28-pin)
• Operating Temperature: 0°C to +70°C (Commercial grade)
• Compliance: USB-IF certified

Descriptions:

• The GL850G-HHY22 is a cost-effective, low-power USB hub controller designed for embedded systems and peripheral applications.
• It integrates a USB transceiver, serial interface engine (SIE), and hub repeater in a single chip.
• Supports plug-and-play and hot-swapping for USB devices.

Features:

• Multi-TT (Transaction Translator) support for better Full-Speed/Low-Speed device handling
• Built-in 5V-to-3.3V regulator for simplified power design
• Single external crystal oscillator (12 MHz) required
• LED indicators for port status monitoring
• ESD protection on USB ports
• Low power consumption in suspend mode

This chip is commonly used in USB hubs, docking stations, monitors, and industrial USB peripherals.

Would you like additional details on any specific aspect?