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TPS22986 - Supply Selection IC

Description

The TPS22986 is a supply selection device for active Thunderbolt™ cables.

The device selects a 3.3V input from two available supplies and connects the chosen input to two outputs, OUTA and OUTB.

When a 3.3V supply is not present, the outputs become high impedance.

Features

  • 1.
  • 2 2.8 V to 19.8 V Input.
  • Auto Selects 3.3 V supply.
  • >10mA Low Power Switch.
  • >500mA High Power Switch.
  • Reverse Current Blocking from OUT to VDD.
  • Wake on UART Input Activity.
  • UART RX and TX Buffers.

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Full PDF Text Transcription

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TPS22986 www.ti.com SLVSBS5A – JANUARY 2013 – REVISED DECEMBER 2013 Thunderbolt™ Supply Selection IC Check for Samples: TPS22986 FEATURES 1 •2 2.8 V to 19.8 V Input • Auto Selects 3.3 V supply • >10mA Low Power Switch • >500mA High Power Switch • Reverse Current Blocking from OUT to VDD • Wake on UART Input Activity • UART RX and TX Buffers APPLICATIONS • Thunderbolt™ Cables • Notebook Computers • Desktop Computers • Power Management Systems VDD1 VDD2 VDD2 VDD1 CPO Charge Pump FET1 FET3 VDD (Internal) RPUCFGOE FET4 Logic Core CFG/OE ENB RESETZ DESCRIPTION The TPS22986 is a supply selection device for active Thunderbolt™ cables. The device selects a 3.3V input from two available supplies and connects the chosen input to two outputs, OUTA and OUTB. When a 3.
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