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NXP产品 - NX5P2553GU介绍

NX5P2553GU - Precision adjustable current-limited power switch

NX5P2553GU是NXP恩智浦公司的一款负载开关产品，NX5P2553GU是Precision adjustable current-limited power switch，本站介绍了NX5P2553GU的封装应用图解、特点和优点、功能等，并给出了与NX5P2553GU相关的NXP元器件型号供参考。

NX5P2553GU - Precision adjustable current-limited power switch - 负载开关 - 逻辑 - 恩智浦

产品描述

The NX5P2553 is a precision adjustable current-limited powerswitch. The device includes under voltage lockout, over-current, over-temperature, andreverse bias protection circuits designed to automatically isolate the switch terminalswhen a fault condition occurs. The device features two power switch terminals, one input(VIN) and one output (VOUT); a current limit input (ILIM) for defining the over-currentlimit; an open-drain fault output (FAULT) to indicate whena fault condition has occurred and an enable input (EN) to control the state of theswitch.

The over-current limit threshold can be programmed to between 85 mA and 1.8 A using anexternal resistor between the ILIM and GND pins. The device has built in soft start.This feature controls the output rise time, minimizing current surges when the switch isenabled.

Designed for operation from 2.5 V to 5.5 V, it is used in power domain isolationapplications to protect from out of range operation. The enable input includesintegrated logic level translation making the device compatible with lower voltageprocessors and controllers.

产品特性和优势
  • Wide supply voltage range from 2.5 V to 5.5 V
  • ISW maximum 1.5 A continuous current
  • ± 6% current-limit accuracy at 1.8 A (typical)
  • Meets USB current-limiting requirements
  • Adjustable current limit from 85 mA to 1800 mA (typical)
  • Constant current mode in over-current situation
  • Over-temperature protection
  • Very low ON resistance: 95 mΩ (typical) for TSOP6 package
  • Fast short-circuit switch-off response (2.0 μs typical)
  • ILIM short detection
  • Reverse input-output voltage protection
  • Built-in soft-start
  • ESD protection:
    • HBM ANSI/ESDA/JEDEC JS-001-2012 Class 2 exceeds 2000 V
    • CDM JESD22-C101D exceeds 500 V
    • IEC61000-4-2 contact discharge exceeds 8 kV for VOUT (with externalcapacitance)
  • Specified from -40 °C to +85 °C ambient temperature
产品应用
  • USB port/hubs
  • Digital TV and set-top boxes
  • VOIP phones
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