TUSB8041ARGCR

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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