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TUSB8040A1
SLLSEE5D – FEBRUARY 2013 – REVISED JULY 2023
TUSB8040A1 Four-Port USB 3.0 Hub
1 Features
• USB 3.0 compliant hub, TID #330000037
– Upstream port supports SuperSpeed USB, high-speed and full-speed connections
– Supports four downstream ports – Each of the four downstream ports support
SuperSpeed USB, high-speed, full-speed, or low-speed connections • USB 2.0 hub features
– Multiple transaction translator (MTT) hub: four transaction translators, one per port
– Four asynchronous endpoint buffers per transaction translator (TT) for better throughput than the USB-required minimum of two buffers per TT
• Supports battery charging applications
– Battery charging 1.2 charging downstream port (CDP) when upstream port is connected
– Battery charging 1.