High-Precision Linear Current Sensor IC with 100µΩ Conductor and Enhanced Accuracy

ACS770xCB

CA/CB 5 pin

The ACS770 delivers precise current sensing with enhanced accuracy, featuring a 100µΩ conductor, piecewise linear temperature compensation, and integrated shield for improved noise immunity.

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Top Features

Packaging

  • Industry-leading total output accuracy achieved with new piecewise linear digital temperature compensation of offset and sensitivity
  • Industry-leading noise performance through proprietary amplifier and filter design techniques
  • 120 kHz typical bandwidth
  • 4.1 μs output rise time in response to step input current
  • Integrated shield greatly reduces capacitive coupling from current conductor to die due to high dV/dt signals, and prevents offset drift in high-side, high voltage applications
  • Greatly improved total output error through digitally programmed and compensated gain and offset over the full operating temperature range
  • Small package size, with easy mounting capability
  • Monolithic Hall IC for high reliability
  • Ultra-low power loss: 100 μΩ internal conductor resistance
  • Galvanic isolation allows use in economical, high-side current sensing in high voltage systems
  • 4.5 to 5.5 V, single supply operation
  • Output voltage proportional to AC or DC currents
  • Factory-trimmed for accuracy
  • Extremely stable output offset voltage
  • Undervoltage lockout for VCC below specification
  • AEC-Q100 automotive qualified
  • UL certified, File No. E316429

The ACS770 family is lead (Pb) free. All leads are plated with 100% matte tin, and there is no Pb inside the package. The heavy gauge leadframe is made of oxygen-free copper.

CB PFF Package Documentation

CB PSF Package Documentation

CB PSS Package Documentation

Part Number Specifications and Availability

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Documentation

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