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TUSB8041RGCT.A 数据表(PDF) 29 Page - Texas Instruments |
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TUSB8041RGCT.A 数据表(HTML) 29 Page - Texas Instruments |
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29 / 49 page ![]() DC PWR TUSB8041 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 29 TUSB8041 www.ti.com SLLSEE4E – JUNE 2014 – REVISED JUNE 2016 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated 9 Applications 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 TUSB8041 is a four-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 TUSB8041 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 TUSB8041, 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 TUSB8041 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 TUSB8041’s upstream port is plugged into a USB Host controller. The downstream ports of the TUSB8041 are exposed to users for connecting USB hard drives, cameras, flash drives, and so forth. Figure 4. Discrete USB Hub Product |
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