Integrated Hall-Effect Current Sensors in a Compact SOT23-W Package

ACS37041, ACS37042

SOT23W LH Package

The ACS37041/2 current sensors simplify current measurement by eliminating the need for external shunt resistors, offering a compact, integrated solution with low ohmic loss and differential sensing for robust performance. The ACS37041 provides functional isolation up to 100 VRMS, while the ACS37042 offers basic isolation up to 285 VRMS.

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Top Features

Typical Applications

Packaging

  • Self contained shuntless current sensing with no
    external sense resistor required; single package solution
  • Low ohmic loss with 1.6mΩ conductor resistance on the
    LH package
  • Small footprint, SOT23-W 5 pin LH package
  • 125 kHz bandwidth
  • 100 VRMS working voltage for functional isolation (ACS37041)
  • 285 VRMS working voltage for basic isolation (ACS37042)

LH-5 SOT23-W Package (New)

LH Packaging Documentation

Part Number Specifications and Availability

ACS37041 Product Overview

Allegro MicroSystems' latest innovation in current sensing technology, the ACS37041, is a high-performance, fully integrated current sensor IC that offers exceptional accuracy and reliability for a wide range of applications. For more detail into what the ACS37041 can do, check out our product overview. 

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Replace the Shunt

Documentation and Resources

Documentation

Third Party Design Tools