Overview
The Texas Instruments TUSB8020BPHP is a two-port USB 3.0 compliant hub designed to support simultaneous SuperSpeed USB and high-speed/full-speed connections. This device is part of the TUSB8020B family and is available in a 48-pin HTQFP package. It is intended for use in various applications requiring USB hub functionality, including computer systems, docking stations, monitors, and set-top boxes. The TUSB8020BPHP operates as an interconnect between an upstream USB host or hub and up to two directly connected downstream devices or hubs, with the capability to support tiered configurations for more devices.
Key Specifications
| Specification | Description |
|---|---|
| Package | 48-Pin HTQFP (7.00 mm × 7.00 mm) |
| Operating Temperature | Commercial: 0°C to 70°C, Industrial: –40°C to 85°C |
| USB Compliance | USB 3.0 and USB 2.0 compliant |
| Upstream Port | Supports SuperSpeed, High-Speed, Full-Speed, and Low-Speed connections |
| Downstream Ports | Supports SuperSpeed, High-Speed, Full-Speed, and Low-Speed connections |
| Power Switching | Per-port or ganged power switching with overcurrent protection |
| Clock Source | Accepts a 24-MHz crystal or external clock source with ±100 PPM frequency stability |
| Power Supply | Operates from a 5-V wall power adapter, capable of sourcing 2 A to 3 A |
Key Features
- Supports simultaneous SuperSpeed USB and high-speed/full-speed connections on the upstream port
- Provides SuperSpeed USB, high-speed, full-speed, or low-speed connections on the downstream ports
- Per-port or ganged power switching with overcurrent protection
- Supports battery charging modes compliant with USB Battery Charging Specification Revision 1.2 and Chinese Telecommunications Industry Standard YD/T 1591-2009
- I2C/SMBus interface for configuration and EEPROM support
- Automatic detection and adaptation to the upstream port's speed limitations
Applications
- Computer Systems
- Docking Stations
- Monitors
- Set-Top Boxes
Q & A
- What is the TUSB8020BPHP used for? The TUSB8020BPHP is a two-port USB 3.0 compliant hub used for connecting multiple USB devices to a single upstream host or hub.
- What types of USB connections does the TUSB8020BPHP support? It supports SuperSpeed, High-Speed, Full-Speed, and Low-Speed USB connections.
- What is the operating temperature range of the TUSB8020BPHP? The commercial version operates from 0°C to 70°C, and the industrial version operates from –40°C to 85°C.
- How does the TUSB8020BPHP handle power switching? It supports per-port or ganged power switching with overcurrent protection.
- What type of clock source does the TUSB8020BPHP require? It accepts a 24-MHz crystal or an external clock source with ±100 PPM frequency stability.
- How is the TUSB8020BPHP powered? It operates from a 5-V wall power adapter capable of sourcing 2 A to 3 A.
- Does the TUSB8020BPHP support battery charging? Yes, it supports battery charging modes compliant with USB Battery Charging Specification Revision 1.2 and Chinese Telecommunications Industry Standard YD/T 1591-2009.
- What interface does the TUSB8020BPHP use for configuration? It uses an I2C/SMBus interface for configuration and EEPROM support.
- Can the TUSB8020BPHP adapt to different upstream port speeds? Yes, it automatically detects and adapts to the upstream port's speed limitations.
- What are some common applications of the TUSB8020BPHP? Common applications include computer systems, docking stations, monitors, and set-top boxes.
