Logic-Controlled High-Side Power Switch

NX5P1100UK 製造中止
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The NX5P1100 is an advanced power switch and ESD-protection device for USB OTG applications. It includes under voltage and over voltage lockout, over-current, over-temperature, reverse bias and in-rush current protection circuits. These circuits are designed to isolate a VBUS OTG voltage source from a VBUS interface pin automatically when a fault condition occurs. The device features two power switch terminals, one input (VINT) and one output (VBUS). It has a current limit input (ILIM) for defining the over-current and in-rush current limit. A voltage detect output (VDET) is used to determine when VINT is in the correct voltage range. An open-drain fault output (FAULT) indicates when a fault condition has occurred, and an enable input (EN) controls the state of the switch. When EN is set LOW the device enters a low-power mode, disabling all protection circuits except the undervoltage lockout. The low-power mode can be entered at anytime unless the over temperature protection circuit has been triggered.

Designed for operation from 3 V to 5.5 V, it is used in power domain isolation applications to protect from out of range operation. The enable input includes integrated logic level translation making the device compatible with lower voltage processors and controllers.

製品詳細

Features

  • Wide supply voltage range from 3 V to 5.5 V
  • 30 V tolerant on VBUS
  • ISW maximum 1 A continuous current
  • Very low ON resistance: 100 mΩ (maximum) at a supply voltage of 4.0 V
  • Low-power mode (ground current 20 μA typical)
  • 1.8 V control logic
  • Soft start turn-on slew rate
  • Protection circuitry
    • Over-temperature protection
    • Over-current protection with low current output mode
    • Reverse bias current/Back drive protection
    • Overvoltage lockout
    • Undervoltage lockout
    • Analog voltage limited VBUS monitor path
  • ESD protection:
    • HBM ANSI/ESDA/JEDEC JDS-001 Class 2 exceeds 2 kV
    • CDM AEC standard Q100-011 category C6 exceeds 1 kV
    • IEC61000-4-2 contact discharge exceeds 8 kV for pins VBUS, D‑, D+ and ID
  • Specified from ‑40 °C to +85 °C

Target Applications

  • USB OTG applications

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