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A3944KLPTR-T - Allegro Microsystems

Description: Six Channel Low Side MOSFET Pre-Driver

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PCB Footprints
A3944KLPTR-T - Allegro Microsystems PCB footprint - Other - Other - LP_28-pin eTSSOP
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3D Models
A3944KLPTR-T - Allegro Microsystems  - 3D model - Other - LP_28-pin eTSSOP
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A3944KLPTR-T Details

  • Manufacturer Part Number:

    A3944KLPTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    6

  • High Side Driver:

    YES

  • Interface IC Type:

    BUFFER OR INVERTER BASED MOSFET DRIVER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Turn-off Time:

    1 µs

  • Turn-on Time:

    1 µs

A3944KLPTR-T Frequently Asked Questions (FAQs)

  • A good thermal design should include a solid copper plane on the PCB, connected to the GND pin, to help dissipate heat. Additionally, keeping the component side of the PCB clear of other components and traces can improve airflow and heat dissipation.
  • To ensure reliable operation in high-vibration environments, it is recommended to use a robust PCB design, secure the device with a sturdy mechanical fastening system, and consider using a conformal coating to protect the device from moisture and contaminants.
  • A 0.1 μF ceramic capacitor and a 10 μF electrolytic capacitor in parallel, placed as close as possible to the device's power pins, are recommended for decoupling. This helps to filter out noise and ensure stable operation.
  • To troubleshoot issues with the device's output current, check the input voltage, output load, and PCB layout for any signs of overheating or electrical noise. Verify that the device is properly configured and that the output current is within the specified range.
  • Operating the device at high temperatures can reduce its lifespan and affect its performance. Ensure that the device is operated within the specified temperature range, and consider using thermal management techniques such as heat sinks or fans to maintain a safe operating temperature.

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A3944KLPTR-T Overview

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