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TUSB8042AI Datenblatt(PDF) 39 Page - Texas Instruments

Teilenummer TUSB8042AI
Bauteilbeschribung  Four-port USB 3.2 x1 Gen1 Hub
PDF  55 Pages
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8042AI Datenblatt(HTML) 39 Page - Texas Instruments

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DC
PWR
TUSB8042A
USB
Type B
Connector
USB Type A
Connector
USB
PWR
SWITCH
US Port
DS Port 1
DS Port 2
USB Type A
Connector
USB Type A
Connector
USB Type A
Connector
DS Port 3
DS Port 4
USB
PWR
SWITCH
39
TUSB8042A
www.ti.com
SLLSF93 – JUNE 2019
Product Folder Links: TUSB8042A
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
9 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
9.1 Application Information
The TUSB8042A is a four-port USB 3.2 x1 Gen1 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 TUSB8042A 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 TUSB8042A, the notebook can increase the downstream port count to five.
9.2 Typical Application
9.2.1 Discrete USB Hub Product
A common application for the TUSB8042A is as a self powered standalone USB hub product. The product is
powered by an external 5V DC Power adapter. In this application, using a USB cable TUSB8042A upstream port
is plugged into a USB Host controller. The downstream ports of the TUSB8042A are exposed to users for
connecting USB hard drives, cameras, flash drives, and so forth.
Figure 27. Discrete USB Hub Product



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