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NX20P0407 - CC and SBU Protection

Description

The NX20P0407 is a single-chip USB Type-C port protection device that provides 28V short-to-VBUS overvoltage protection to CC1/CC2 and SBU1/SBU2 pins.

USB Type-C allows VBUS voltage to increase up to 20V through Power delivery protocol.

Features

  • USB Type C CC1/2 and SBU1/2 short protection to VBUS.
  • CON_CC1 / CON_CC2 : 28VDC.
  • CON_SBU1 / CON_SBU2 : 28VDC.
  • Rd circuit in CON_CC1/CON_CC2 in dead battery.
  • Low RDSon switch.
  • CC switch : 160mΩ.
  • SBU switch : 3.6Ω.
  • Robust ESD immunity for CON_CC1/2.
  • IEC 61000-4-2 Contact discharge: 8KV.
  • IEC 61000-4-2 Air discharge: 15KV.
  • +/- 35V surge protection on CON_CC1/2.
  • Low SYS leakage current : 32μA.

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Full PDF Text Transcription

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NX20P0407 USB Type-C CC and SBU Protection IC Rev. 1.3 — 22 August 2019 Product data sheet 1 General description The NX20P0407 is a single-chip USB Type-C port protection device that provides 28V short-to-VBUS overvoltage protection to CC1/CC2 and SBU1/SBU2 pins. USB Type-C allows VBUS voltage to increase up to 20V through Power delivery protocol. CC1/2 and SBU1/2 pins can be shorted to VBUS due to mechanical twisting and sliding of the connector since Type-C connector contact pins are 25% closer to each other than a micro USB connector. Moisture or fine dust may also cause the 20V VBUS pin to be shorted to adjacent pins. NX20P0407 enables CC and SBU pins to be more robust in even abnormal conditions.
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