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TUSB4041IPAPR 数据表(PDF) 29 Page - Texas Instruments |
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TUSB4041IPAPR 数据表(HTML) 29 Page - Texas Instruments |
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29 / 48 page ![]() DC Power TUSB4041I USB Type B Connector USB Type A Connector US Port DS Port 1 DS Port 2 DS Port 3 DS Port 4 USB Power Switch USB Power Switch USB Type A Connector USB Type A Connector USB Type A Connector Copyright © 2016, Texas Instruments Incorporated 29 TUSB4041I www.ti.com SLLSEK3E – JULY 2015 – REVISED SEPTEMBER 2017 Product Folder Links: TUSB4041I Submit Documentation Feedback Copyright © 2015–2017, 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 TUSB4041I device is a four-port USB 2.0 hub. The provides USB high-speed and full-speed connections on the upstream port and provides USB high-speed, full-speed, or low-speed connections on the downstream port. The TUSB4041I device can be used in any application that requires additional USB-compliant ports. For example, a specific notebook may only have two downstream USB ports. By using the TUSB4041I device, the notebook can increase the downstream port count to five. 9.2 Typical Application A common application for the TUSB4041I device 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, the upstream port of the TUSB4041I device is plugged into a USB host controller. The downstream ports of the TUSB4041I device are exposed to users for connecting USB hard drives, cameras, flash drives, and so forth. Figure 25. Discrete USB Hub Product |
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