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ACS720 Description

The ACS720 is a high accuracy Hall-effect-based current sensor IC with multiple programmable fault levels intended for industrial and consumer applications with a focus on motor control and power inverter stage applications. One of the key benefits of the ACS720 is to provide high isolation with a reduced bill of materials made possible by the proprietary IC SOIC16W package. The ACS720 works off of a single 5 V...

ACS720 Key Features

  • Differential current sensing cancels mon mode fields, simplifying PCB layout
  • Two user-settable faults for fast short-circuit protection and slower overcurrent detection
  • Industry-leading noise performance with greatly improved bandwidth through proprietary amplifier and filter design techn
  • Patented integrated digital temperature pensation circuitry allows high accuracy over temperature in an open loop sensor
  • 1.0 mΩ primary conductor resistance for low power loss and high inrush current-withstanding capability
  • Small footprint, low-profile SOIC16 package suitable for space-constrained

ACS720 Applications

  • Integrated shield virtually eliminates capacitive coupling from current conductor to die due to high dV/dt voltage transients
  • 5 V single supply operation with 0-3 V output swing
  • Output voltage proportional to AC or DC current