TUSB8040ARKMT

TEXAS INSTRUMENTS  TUSB8040ARKMT  芯片, USB 集线器, USB 3.0, 4端口, WQFN-100

Introduction

The TUSB8040A is a four-port USB 3.0 compliant hub and is available in a 100-pin QFN package. The device is designed for operation over the commercial temperature range of 0°C to 70°C.

Features

• USB 3.0 Compliant Hub, D# 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

   – Multi 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 Compliant Charging Downstream Port CDP when Upstream Port is Connected

   – Battery Charging 1.2 and Chinese Telecommunications Industry Standard YD/T 1591-2009 Compliant Dedicated Charging Port DCP when Upstream Port is Disconnected

• Supports Operation as a USB 3.0 or USB 2.0 Compound Device

• Supports Per Port or Ganged Power Switching and Over-Current Notification Inputs

• Provides the following status outputs:

   – High-Speed Upstream Connection

   – High-Speed Upstream Port Suspended

   – SuperSpeed USB Upstream Connection

   – SuperSpeed USB Upstream Port Suspended

• Optional Serial EEPROM or SMBus Slave Interface for Custom Configurations:

   – VID or PID

   – Manufacturer and Product Strings

   – Serial Number

• Using Pin Selection or EEPROM and SMBus Slave Interface, Each Downstream Port Can Be Independently:

   – Enabled or Disabled

   – Marked as Removable or Permanently Attached for Compound Applications

   – Have Battery Charging Enabled or Disabled

• Provides 128-Bit Universally Unique Identifier UUID

• Optionally Supports USB 2.0 Compliant Port Indicator LEDs

• Configurable SMBus Address to Support Multiple Devices on the Same SMBus Segment

• Supports On-Board and In-System EEPROM Programming Via the USB 2.0 Upstream Port

• Single Clock Input, 24-MHz Crystal or Oscillator

• No Special Driver Requirements; Works Seamlessly With Any Operating System With USB Stack Support

Applications

• Computer Systems

• Monitors

• Docking Stations

• Set-top Boxes