High-Performance, Low-Power, Small Footprint USB 2.0 Hub Controller Family for PC, Embedded and Consumer Applications

Highlights

  • High performance, low-power, small footprint hub controller IC with 2, 3, 4, or 7 downstream ports (indicated by the “x” in the part number)
  • Fully compliant with the USB 2.0 specification
  • Enhanced OEM configuration options available through either a single serial I2C® EEPROM, or SMBus slave port
  • MultiTRAK™ - High-performance multiple transaction translator which provides one transaction translator per port
  • PortMap - Flexible port mapping and disable sequencing
  • PortSwap - Programmable USB differential-pair pin locations ease PCB design by aligning USB signal lines directly to connectors
  • PHYBoost - Programmable USB signal drive strength for recovering signal integrity using 4-level driving strength resolution

Features

  • Full power management with individual or ganged power control of each downstream port
  • Fully integrated USB termination and pull-up/pulldown resistors
  • Supports a single external 3.3 V supply source; internal regulators provide 1.8 V internal core voltage
  • Onboard 24 MHz crystal driver, ceramic resonator, or external 24/48 MHz clock input
  • Customizable vendor ID, product ID, and device ID
  • 4 kilovolts of HBM JESD22-A114F ESD protection (powered and unpowered)
  • Supports self- or bus-powered operation
  • Lead-free RoHS compliant packages:
    • 36-pin QFN (6x6 mm)
    • 48-pin QFN (7x7 mm)
    • 64-pin QFN (9x9 mm)
  • USB251xi and USB2512Ai products support the industrial temperature range of -40°C to +85°C

Target Applications

  • Mobile PC Docking Stations
  • LCD Monitors/TVs
  • PC Motherboards
  • Gaming Consoles
  • Multi-Function Printers
  • Cable/DSL Modems
  • Set-Top Boxes
  • DVD/CD-ROM/DVR
  • HDD Enclosures
  • Keyboards
  • KVM Switches
  • Server Front Panels
  • Point-of-Sale (POS) Systems
  • IP Telephony
  • Automobile/Home Audio Systems
  • Industrial

Although the information in this document has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to product descriptions and specifications at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC's standard Terms of Sale Agreement dated before the date of your order. Products may contain design defects or errors known as anomalies which may cause a product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC's website at http://www.smsc.com. SMSC and the SMSC logo are registered trademarks of Standard Microsystems Corporation ("SMSC"). Other names mentioned may be trademarks of their respective holders. All claims made herein speak as of the date of this material. The company does not undertake to update such statements.

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