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TPS2071 Datasheet Four-port Usb Hub Power Controllers

Manufacturer: Texas Instruments

Overview: www.ti.com TPS2070 TPS2071 SLVS287B – SEPTEMBER 2000 – REVISED SEPTEMBER 2007 FOUR-PORT USB HUB POWER.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The TPS2070 and TPS2071 provide a complete USB hub power solution by incorporating four major functions: current-limited power switches for four ports, a 3.3-V 100-mA regulator, a 5-V regulator controller for self-power, and a DP0 line control to signal attach/detach of the hub.

These devices are designed to meet bus-powered and self-powered hub requirements.

These devices are also designed for hybrid hub implementations and allow for automatic switching from self-powered mode to bus-powered mode if loss of self-power is experienced (can be disabled by applying a logic high to BP_DIS).

Key Features

  • 1.
  • 2 Complete USB Hub Power Solution.
  • Meets USB Specifications 1.1 and 2.0.
  • Independent Thermal and Short-Circuit Protection.
  • 3.3-V Regulator for USB Hub Controller.
  • Overcurrent Logic Outputs.
  • 4.5-V to 5.5-V Operating Range.
  • CMOS- and TTL-Compatible Enable Inputs.
  • 185 μA Bus-Power Supply Current.
  • Available in 32-Pin HTSSOP PowerPAD™ Package.
  • 40°C to 85°C Ambient Temperature Range.

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