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A3144LU - Allegro Microsystems

Description: closed-loop current sensor, measures AC, DC orimpulse current, 100 A nominal, ± 150 amp range, offsetpin, 1000 turnSensor

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A3144LU - Allegro Microsystems PCB footprint - Other - Other - A3144LU-4
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A3144LU - Allegro Microsystems  - 3D model - Other - A3144LU-4
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A3144LU Details

  • Manufacturer Part Number:

    A3144LU

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SIP

  • Package Description:

    MINI, PLASTIC, SIP-3

  • Pin Count:

    3

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Additional Feature:

    REVERSE BATTERY PROTECTION

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PSIP-T3

  • JESD-609 Code:

    e0

  • Length:

    4.585 mm

  • Number of Functions:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    6.78 mm

  • Supply Voltage-Max (Vsup):

    24 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    8 V

  • Surface Mount:

    NO

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

  • Width:

    1.55 mm

A3144LU Frequently Asked Questions (FAQs)

  • Allegro provides a recommended PCB layout in their application note AN296050, which includes guidelines for trace routing, component placement, and thermal management to ensure optimal performance and minimize noise.
  • To handle the output signal in a noisy environment, Allegro recommends using a low-pass filter, such as a RC filter, to filter out high-frequency noise. Additionally, using a shielded cable and twisting the output wires can help reduce electromagnetic interference (EMI).
  • The A3144LU has an operating temperature range of -40°C to 150°C, but it's recommended to operate within -20°C to 85°C for optimal performance and reliability.
  • Yes, the A3144LU is designed to operate in high-vibration environments, but it's recommended to follow proper mounting and soldering techniques to ensure the device is securely attached to the PCB. Additionally, using a vibration-resistant connector and cable can help reduce the effects of vibration on the device.
  • Allegro provides a calibration procedure in their application note AN296050, which includes steps for adjusting the device's sensitivity and offset to optimize performance for specific applications.

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