High-Linearity, High-Resolution TMR Current Sensor with Integrated FLAG Output

CT220

CT220: High Linearity/High Resolution Contactless Current Sensor Product Image

The CT220 provides high-accuracy contactless current sensing with a miniature form factor, high linearity, high resolution, and an integrated FLAG output for overcurrent detection.

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Top Features

Typical Applications

Packaging

  • AC or DC Contactless Current Sensing Range: Up to 1,000 A
  • Resolution of 5 mA
  • Inherently High Isolation
  • Magnetic Field (Current) Range:
    • ±1.5 mT
    • ±5.0 mT
    • ±10.0 mT
    • ±15.0 mT
  • Stable Performance over Temperature
  • Supply Current: ~1.2 mA
  • FLAG Pin to Indicate 90% and 10% of Full Field Range
    • Active LOW Digital Output (Push-pull)
  • Supply Voltage: 2.7 V to 5.5 V
  • Operating Temperature Ranges:
    • Industrial: -40°C to +85°C
    • Extended Industrial: -40°C to +125°C
  • Package: 5-Lead SOT23

The CT220 is available in an industry standard 5-lead SOT23-5 package.

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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