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High-Side Inrush Current Limit Controller


The ZXCT1032 is a high-side current monitor that drives a PMOS or PNP transistor to provide in-rush current limit and over-current protection. The ZXCT1032 includes a high accuracy high-side current monitor, a start-up timer and a re-try inhibit timer.


  • Electronic fuse
  • Short circuit protected supply feed
  • Hot swap
  • Power over twisted pair


  • Accurate high-side current sensing
  • User defined and dynamically adjustabletrip current
  • Load switch control
  • Fault flag logic output
  • User defined ramp and inhibit timers
  • SO-8 package
  • Temperature range -40 to 85°C
  • Product Specifications

    Product Parameters

    Qualified to AECQ10x -
    Automotive Compliant PPAP -
    Minimum VCC/VB Supply Voltage 9.5 V
    Maximum VCC/VB Supply Voltage 21 V
    Minimum S+ Common-Mode Sense Voltage 9.5 V
    Maximum S+ Common-Mode Sense Voltage 21 V
    Maximum Output Voltage VS- -1 V
    Maximum Sense Voltage 0.25 V
    Accuracy @ VSENSE =100mV - %
    Quiescent Current 1600 µA
    Gain Output/VSENSE -
    Bandwidth typ - MHz
    Operating Ambient Temperature Range -40 to 85 °C
    Special Features Series Transistor Drive + Programmable Threshold + Output Flag

    Related Content


    Quality & Reliability

    RoHS CofC

    Technical Documents

    Application Notes

    ICP Reports

    User Guides and EV Boards

    Recommended Soldering Techniques
    Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
    ZXCT1032N8TA Arrow Electronics 500 5/21/2019 Buy Now Americas
    ZXCT1032N8TA Digi-Key Electronics 4958 5/21/2019 Buy Now Americas
    ZXCT1032N8TA Mouser Electronics Inc. 691 5/21/2019 Buy Now Americas