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Home » NEWEST Products » New by Manufacturer » Texas Instruments » TUSB8040 SuperSpeed USB Hub Devices -TI
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Texas Instruments TUSB8040 SuperSpeed USB 4-port Hub Controllers
Texas Instruments TUSB8040 SuperSpeed USB 4-port Hub Controllers

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TI TUSB8040 SuperSpeed USB 4-port Hub Devices

Texas Instruments TUSB8040 SuperSpeed USB 4-port hub devices are USB 3.0 compliant devices providing simultaneous SuperSpeed (USB 3.0) and high-speed/full-speed connections on the upstream port and SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream ports. TI TUSB8040 hub controllers support up to four downstream ports and may be configured to report one to four downstream ports by an attached EEPROM or SMBus controller. The configuration options offered by the TI TUSB8040 provide the ability to scale the device by application. The TUSB8040AEVM is a free-standing SuperSpeed USB Hub reference design featuring the TUSB8040.


TUSB8040 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
    • 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 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
  • Single Clock Input, 24-MHz Crystal or Oscillator
  • Industrial Temperature Range, -40°C to 85°C
TUSB8040AEVM Features
  • Complete 4-Port Hub Reference Design featuring TUSB8040 USB Hub Controller
  • Test via on board jumpers/LEDs
  • Quick connect to a USB-enabled host

Application Circuit

Application Circuit

Functional Block Diagram

Functional Block Diagram
  • Texas Instruments
  • Semiconductors|Integrated Circuits|IC-Interface