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ACS72981ELRATR-200B5 - Allegro Microsystems

Description: High-Precision Linear Hall-Effect-Based Current Sensor IC With 200µΩ Current Conductor

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ACS72981ELRATR-200B5 - Allegro Microsystems - PCB symbol
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PCB Footprints
ACS72981ELRATR-200B5 - Allegro Microsystems PCB footprint - Other - Other - LR, 7-Pin PSOF Package
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3D Models
ACS72981ELRATR-200B5 - Allegro Microsystems - 3D model - Other - LR, 7-Pin PSOF Package
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ACS72981ELRATR-200B5 Details

  • Manufacturer Part Number:

    ACS72981ELRATR-200B5

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOF-7

  • Manufacturer:

    Allegro MicroSystems LLC

  • Body Breadth:

    4.8 mm

  • Body Height:

    1.5 mm

  • Body Length or Diameter:

    6.4 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    ANALOG VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    CURRENT SENSOR

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    MATTE TIN

ACS72981ELRATR-200B5 Frequently Asked Questions (FAQs)

  • Allegro provides a recommended PCB layout guide in their application note AN296065, which includes guidelines for trace routing, component placement, and thermal management to ensure optimal performance and accuracy.
  • Calibration involves adjusting the zero-current output voltage and sensitivity to match the specific requirements of your application. Allegro provides a calibration procedure in their application note AN296065, which includes steps for adjusting the offset and gain using external resistors and voltage sources.
  • The maximum allowable current for the ACS72981ELRATR-200B5 is 200 A, as indicated by the '200B5' in the part number. Exceeding this current limit can damage the device or affect its accuracy.
  • The ACS72981ELRATR-200B5 has an internal overcurrent detection circuit that limits the output voltage to prevent damage in the event of an overcurrent condition. The device also has a built-in thermal shutdown feature that disables the output if the junction temperature exceeds 170°C.
  • The typical response time of the ACS72981ELRATR-200B5 is 2 μs, which is the time it takes for the output voltage to settle within 1% of its final value after a step change in current.

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ACS72981ELRATR-200B5 Overview

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