1MHz, High-Precision TMR Current Sensors with Ultra-Low Noise

CT415, CT416, CT417, CT418

1mhz, high precision xtremesense TMR isolated current sensor in SOIC-8 Package

The CT41x family of current sensors offers high-precision current measurements with ultra-low noise, a fast 300ns response time, and an integrated current carrying conductor (CCC) for simplified design. The CT415/418 operate at 5V, while the CT416/417 operate at 3.3V.

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Top Features

Typical Applications

Packaging

  • CT415 & CT418 (5.0 V version), CT416 & CT417 (3.3 V version)
  • Integrated 0.5 mΩ Conductor
  • Total Error Output: 1% FS (typ.)
  • 300 ns Response Time, 1 MHz Bandwidth
  • Noise as Low as 9 mARMS
  • Immunity to Common Mode Field: -40 dB
  • Rated Isolation Voltage: >2.5 kVRMS
  • UL/IEC 62368-1 and UL1577 Certification
  • IEC 61000-4-5 Certified
  • AC or DC Current Range:
    • +20.0 ADC / ±20.0 APK
    • +30.0 ADC / ±30.0 APK
    • +50.0 ADC / ±50.0 APK
    • +65.0 ADC / ±65.0 APK
  • Pin #6 Functionality
    • CT417 & CT418: Over-Current Detection Output Pin
    • CT415 & CT416: Enhanced Filter to Lower Noise

The CT41x family is offered in an industry standard 8-lead SOIC package that is “green” and RoHS compliant.

Part Number Specifications and Availability

Allegro's XtremeSense™ TMR technology

Superior magnetic sensitivity, low power consumption, and compact size compared to other technologies, driving innovation in applications like renewable energy, electric vehicles, and consumer electronics.

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Documentation and Resources

Documentation

Design Tools

Third Party Design Tools

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Mikroe Current 9 Click Compact Add-On Board