TUSB8020A, TUSB8040A

www.ti.com

SLLSEA7B – MAY 2012 – REVISED AUGUST 2012

Four-Port and Two-Port USB 3.0 Hub

Check for Samples: TUSB8020A, TUSB8040A

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PRODUCT OVERVIEW

1.1

Features

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• USB 3.0 Compliant Hub, TID# 330000003

– Upstream Port Supports SuperSpeed USB, High-Speed and Full-Speed Connections

– Supports Four (TUSB8040A) or Two (TUSB8020A) Downstream Ports

– Each of the Four Downstream Ports Support SuperSpeed USB, High-Speed, Full-Speed/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 Charging Downstream Port (CDP) Applications

– Battery Charging 1.2 Compliant

– External Charging IC Support Enables CDP and Apple mode

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

• TUSB80x0ARKM Supports Per Port or Ganged Power Switching and Over-Current Notification Inputs

• TUSB80x0APFP Supports 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/PID

– Manufacturer and Product Strings

– Serial Number

• Using Pin Selection (TUSB80x0ARKM only) or EEPROM/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 (Not available on TUSB80x0APFP)

• 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

1.2

APPLICATIONS

•

Computer Systems

•

Docking Stations

•

Monitors

•

Set-top Boxes

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date. Products conform to

Copyright © 2012, Texas Instruments Incorporated

specifications per the terms of the Texas Instruments standard warranty. Production

processing does not necessarily include testing of all parameters.