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IC USB HUB CNTRLR 64VQFN
1 Features
• Four Port USB 3.1 Gen1 Hub
• USB 2.0 Hub Features
– Multi Transaction Translator (MTT) Hub: Four Transaction Translators
– Two Asynchronous Endpoint Buffers Per Transaction Translator
• Supports Battery Charging:
– Supports D+/D- Divider Charging Port (ACP1, ACP2) when the Upstream Port is Unconnected or not Configured
– Supports Automatic Mode for Transition Between DCP or ACP Modes When the Upstream Port is Unconnected
– CDP Mode (Upstream Port Connected)
– DCP Mode (Upstream Port Unconnected)
– DCP Mode Complies with Chinese Telecommunications Industry Standard YD/T 1591-2009
• Supports Operation as a USB 3.1 Gen1 or USB 2.0 Compound Device
• Per Port or Ganged Power Switching and OverCurrent Notification Inputs
• Supports Four External Downstream Ports
• Supports Vendor Requests to Read and Write I2C and EEPROM Read at 100 k
• I2C Master Supports Clock Stretching
• OTP ROM, Serial EEPROM or I2C/SMBus Slave Interface for Custom Configurations:
– VID and PID
– Port Customizations
– Manufacturer and Product Strings (not by OTP ROM)
– Serial Number (not by OTP ROM)
• Application Feature Selection Using Pin Selection or EEPROM or I2C/SMBus Slave Interface
• Provides 128-Bit Universally Unique Identifier (UUID)
• Single Clock Input, 24-MHz Crystal or Oscillator
• Downstream Ports Configurable to USB2.0 Only
• 64-Pin QFN Package (RGC)
2 Applications
Computer Systems, Docking Stations, Monitors,Set-Top Boxes
3 Description
The TUSB8041A is a four-port USB 3.1 Gen1 hub. It provides simultaneous SuperSpeed USB and highspeed/full-speed connections on the upstream port and provides SuperSpeed USB, high-speed, fullspeed, or low-speed connections on the downstream ports. When the upstream port is connected to an electrical environment that only supports high-speed or full-speed/low-speed connections, SuperSpeed USB connectivity is disabled on the downstream ports.
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