TUSB8020BPHPR datasheet(25/44 Pages) TI

25 / 44 page

PWR

TUSB8020B

USB

Type B

Connector

USB Type A

Connector

USB Type A

Connector

USB

PWR

SWITCH

US Port

DS Port 1

DS Port 2

TUSB8020B

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SLLSEF6C – JULY 2014 – REVISED JUNE 2017

Product Folder Links: TUSB8020B

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9 Application and Implementation

9.1 Application Information

The TUSB8020B is a two-port USB 3.0 compliant hub. It provides simultaneous SuperSpeed USB and high-

speed/full-speed connections on the upstream port and provides SuperSpeed USB, high-speed, full-speed, or

low-speed connections on the downstream port. The TUSB8020B can be used in any application that needs

additional USB compliant ports. For example, a specific notebook may only have two downstream USB ports. By

using the TUSB8020B, the notebook can increase the downstream port count to three.

9.2 Typical Application

A common application for the TUSB8020B is as a self-powered standalone USB hub product. The product is

upstream port is plugged into a USB host controller. The downstream ports of the TUSB8020B are exposed to

users for connecting USB hard drives, camera, flash drive, and so forth.

Figure 26. Discrete USB Hub Product

TUSB8020BPHPR Datasheet(PDF) 25 Page - Texas Instruments