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Linear Vertical Hall-Effect Sensor IC for U-Core Current Sensing

ACS37630

Allegro LJ SOIC with exposed pad 8-pin package

The ACS37630 is a vertical Hall based field current sensor that can be used to detect current going through a busbar. Usually a U-core is used in the application to obtain immunity to stray field and amplify the signal.

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Description

Top Features

Typical Applications

Packaging

The ACS37630 is a contactless current sensor using Allegro’s high-precision vertical Hall technology designed for applications where current flows through a busbar or PCB.  The ACS37630 is a contactless current sensor designed for applications where current flows through a busbar or PCB. When used with a U-core concentrator, high immunity to stray fields can be achieved, while simplifying the mechanical assembly relative to a traditional C-core current sensor. Laminated U-cores should be used for high frequency applications.

  • Vertical Hall Technology for sensing parallel to package surface, ideal for U-core applications
  • Factory-programmed temperature compensation (TC) provides low thermal drift Sensitivity ±0.7% (typ)
  • Offset ±5mV (typ)
  • Fast response time (1.6 μs typ)
  • Wide sensitivity range factory-programmable from 1.0 to 8.8 mV/G (10 to 88 mV/mT)
  • AEC-Q100 Grade 0, automotive qualified

8-Pin SOIC (Suffix OL)

OL Package Documentation 

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
Document Type Document Name
Guide
ACS37630 Evaluation Board User Guide