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Wide Common Mode Current Monitor

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The ZXCT1050 is a wide input range current monitor, which operates over a range of input voltages from ground up to VCC-2V. As a result the ZXCT1050 can be used on the high or low side of the load. The ZXCT1050 provides variable gain by using two external resistors. The first of which sets the trans conductance and the second setting the overall gain. The very low offset voltage enables a typical accuracy of 1% for sense voltages of only 30mV, giving better tolerances for small sense resistors necessary at higher currents.


  • Accurate down to end current sensing
  • Output voltage scaling x10
  • 0 to VCC-2V sense input range
  • 2.7 to 20V supply range
  • 50μA quiescent current
  • SOT25 package
  • Application(s)

  • Power supply
  • DC motor and solenoid control
  • Battery management
  • Over current monitor
  • Power management
  • Short circuit detection
  • Product Specifications

    Product Parameters

    Compliance (Only Automotive supports PPAP) Standard
    AEC Qualified No
    % Accuracy @ VSENSE =100mV Ta  0.03 %
    Quiescent Current (µA) 50 µA
    Gain Output/VSENSE -
    Bandwidth typ (MHz) 0.8 MHz
    Operating Ambient Temperature Range (°C) -40 to 125 °C
    Special Features Separate VCC Pin + Current Gain (x20) + Short Circuit Protection

    Related Content


    Technical Documents

    Application Notes

    ICP Reports


    Evaluation Boards and User Guides

    Recommended Soldering Techniques


    Diodes Incorporated's current monitors are high-performance, high-side/power rail current measurement ICs. They greatly simplify the measurement of load currents without disturbing the ground plane/reference point.

    The current monitor families contain variants with quiescent currents as low as 3µA, and others with operating voltages up to 60V, proving solutions for overcurrent detection in consumer, industrial, and automotive applications. The portfolio includes current output variants which via an external resistor to ground to provide adjustable gain, and voltage output variants with fixed gains.

    Automotive-compliant variants are available which are qualified to AEC-Q100 Grade 1 in IATF 16949 facilities supporting PPAP documentation.

    RoHS CofC