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A4939KLPTR-3-T - Allegro Microsystems

Description: Three-Phase MOSFET Driver W/3V Regulator

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A4939KLPTR-3-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A4939KLPTR-3-T - Allegro Microsystems PCB footprint - Other - Other - LP_28-pin eTSSOP
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3D Models
A4939KLPTR-3-T - Allegro Microsystems - 3D model - Other - LP_28-pin eTSSOP
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A4939KLPTR-3-T Details

  • Manufacturer Part Number:

    A4939KLPTR-3-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    8.75

  • Analog IC - Other Type:

    3-PHASE BRUSHLESS DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G28

  • Length:

    9.7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    50 V

  • Supply Voltage-Min (Vsup):

    7 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

A4939KLPTR-3-T Frequently Asked Questions (FAQs)

  • Allegro provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the sense lines short and away from noise sources, and using a solid ground plane to reduce EMI.
  • The A4939KLPTR-3-T has a maximum junction temperature of 150°C. Ensure good airflow, use a heat sink if necessary, and follow thermal design guidelines to prevent overheating. Monitor the device's temperature and adjust the design accordingly.
  • The recommended input voltage range for the A4939KLPTR-3-T is 5.5 V to 50 V, but it can operate up to 60 V with reduced performance. Ensure the input voltage is within the recommended range for optimal performance and reliability.
  • Use a reverse polarity protection diode or a fuse in series with the input voltage to prevent damage from reverse polarity connections. Additionally, ensure the PCB design includes a clear polarity indication to prevent incorrect connections.
  • The typical current consumption of the A4939KLPTR-3-T is around 10 mA, but it can vary depending on the operating frequency, input voltage, and output load. Consult the datasheet for detailed current consumption characteristics.

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A4939KLPTR-3-T Overview

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