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A4950ELJTR-T - Allegro Microsystems

Description: DMOS Full-Bridge Motor Driver

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A4950ELJTR-T - Allegro Microsystems PCB footprint - Small Outline Packages - Small Outline Packages - LJ 8-Pin SOIC with Exposed Thermal Pad
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A4950ELJTR-T - Allegro Microsystems  - 3D model - Small Outline Packages - LJ 8-Pin SOIC with Exposed Thermal Pad
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A4950ELJTR-T Details

  • Manufacturer Part Number:

    A4950ELJTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    LEAD FREE, MS-012BA, SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    8

  • Analog IC - Other Type:

    FULL BRIDGE BRUSH DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.7 mm

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Supply Voltage-Nom (Vsup):

    1 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    3.9 mm

A4950ELJTR-T Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good airflow around the device. The datasheet provides a recommended PCB layout, but it's essential to consult with Allegro's application notes and thermal management guidelines for more detailed information.
  • To ensure reliable operation in high-temperature environments, it's crucial to follow Allegro's recommended thermal management guidelines, including proper heat sinking, airflow, and thermal interface materials. Additionally, consider using thermal simulation tools to model the device's thermal performance and identify potential hotspots.
  • Allegro provides guidelines for soldering and assembly in their application notes. In general, it's essential to follow standard SMT assembly techniques, including using a soldering iron with a temperature-controlled tip, and ensuring the device is properly aligned and secured during the assembly process.
  • To troubleshoot issues with the A4950ELJTR-T, start by consulting the datasheet and application notes for common pitfalls and troubleshooting guidelines. If the issue persists, contact Allegro's technical support team for further assistance, providing detailed information about the issue, including schematics, PCB layout, and any relevant test data.
  • Yes, the A4950ELJTR-T is a high-frequency device, and EMI/EMC considerations are crucial. Follow Allegro's guidelines for EMI/EMC design, including proper PCB layout, shielding, and filtering. Additionally, ensure that the device is properly decoupled and that the system meets relevant EMI/EMC standards and regulations.

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A4950ELJTR-T Overview

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