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TUSB8043AI 数据表(PDF) 40 Page - Texas Instruments |
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TUSB8043AI 数据表(HTML) 40 Page - Texas Instruments |
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40 / 62 page ![]() DC PWR TUSB8043A 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 40 TUSB8043A SLLSF94 – JUNE 2019 www.ti.com Product Folder Links: TUSB8043A 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 TUSB8043A 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 TUSB8043A 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 TUSB8043A, 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 TUSB8043A 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 TUSB8043A upstream port is plugged into a USB Host controller. The downstream ports of the TUSB8043A 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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