Datasheet

Not Recommended for New Designs

TUSB8040

www.ti.com

SLLSE42I –SEPTEMBER 2010–REVISED SEPTEMBER 2013

USB 3.0 Four Port Hub

Check for Samples: TUSB8040

1 PRODUCT OVERVIEW

1.1 Features

• USB 3.0 Compliant Four Port Hub, TID# 330000003

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

– Each of the Four Downstream Ports Support SuperSpeed, High-Speed, Full-Speed/Low-Speed

Connections

• USB 2.0 Hub Features

– Multi Transaction Translator (MTT) Hub: Four Transaction Translators, One Per Port

– Four (Over USB Required Minimum of Two) Asynchronous Endpoint Buffers Per Transaction

Translator for Better Throughput

• Supports Charging Downstream Port (CDP) Applications

– Battery Charging 1.2 Compliant

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

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

• Provides the following status outputs:

– High-Speed Upstream Connection

– High-Speed Upstream Port Suspended

– SuperSpeed Upstream Connection

– SuperSpeed Upstream Port Suspended

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

– VID/PID

– Manufacturer and Product Strings

– Serial Number

• Using Pin Selection or the 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

• 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

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

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

processing does not necessarily include testing of all parameters.