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NCP373 - Over-Voltage and Over-Current protection device

General Description

Description VBUS voltage pins: must be hardwired together on the PCB.

These pins are connected to the VBUS connector, and are protected against positive and negative overvoltage events.

Key Features

  • Adjustable Over.
  • current.
  • Over.
  • voltage Protection Up to 28 V and Down to.
  • 28 V.
  • Logic pins EN and DIR.
  • Thermal Shutdown.
  • On.
  • chip low RDS(on) NMOS Transistors.
  • Over.
  • voltage Lockout (OVLO).
  • Soft.
  • start.
  • Real Shutdown Mode.
  • Alert FLAG Output.
  • Compliance to IEC61000.
  • 4.
  • 2 (Level 4) 8 kV (Contact) 15 kV (Air).
  • ESD Ratings: Machine Model = B Hu.

📥 Download Datasheet

Datasheet Details

Part number NCP373
Manufacturer onsemi
File Size 170.92 KB
Description Over-Voltage and Over-Current protection device
Datasheet download datasheet NCP373 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NCP373 Overvoltage Up to +30 V and Down to -30 V with Load Switch Function NCP373 is an over−voltage and over−current protection device. From IN to VBUS , the part acts as a load switch protection, with programmable current regulation. The current protection is externally adjustable, up to 400 mA or 1300 mA, depending on selected version. Additional voltage protection is available, from VBUS to IN. Due to built−in low RDS(on) NMOS FET, the host system is protected against positive and negative voltages up to ±28 V. The embedded over−current and over−voltage protection allow the device to sustain extreme conditions from short circuit on USB connector, or defective WA or USB port.