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TUSB8020BPHPR 데이터시트(PDF) 25 Page - Texas Instruments |
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TUSB8020BPHPR 데이터시트(HTML) 25 Page - Texas Instruments |
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25 / 44 page ![]() DC 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 25 TUSB8020B www.ti.com SLLSEF6C – JULY 2014 – REVISED JUNE 2017 Product Folder Links: TUSB8020B Submit Documentation Feedback Copyright © 2014–2017, Texas Instruments Incorporated 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 powered by an external 5-V DC power adapter. In this application using a USB cable, TUSB8020B device’s 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 |
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