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A3955SLBTR - Allegro Microsystems

Description: IC MOTOR DRIVER PAR 16SOIC

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A3955SLBTR - Allegro Microsystems PCB footprint - Small Outline Packages - Small Outline Packages - LB,16-pin SOICW--089
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A3955SLBTR - Allegro Microsystems  - 3D model - Small Outline Packages - LB,16-pin SOICW--089
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A3955SLBTR Details

  • Manufacturer Part Number:

    A3955SLBTR

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, SOIC-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Additional Feature:

    ADDITIONAL 5V TO 50V VBB POWER SUPPLY ALSO REQUIRED

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e0

  • Length:

    10.3 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    1.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    50 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

A3955SLBTR Frequently Asked Questions (FAQs)

  • Allegro recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer to help dissipate heat. Additionally, keeping the device away from other heat sources and using thermal vias can improve thermal performance.
  • To ensure reliable operation in high-vibration environments, Allegro recommends using a robust PCB design, securing the device with a suitable mounting method, and using a vibration-dampening material such as a silicone adhesive or a vibration-absorbing pad.
  • Allegro recommends a soldering profile with a peak temperature of 260°C (500°F) and a dwell time of 10-30 seconds. It's essential to follow the recommended soldering profile to prevent damage to the device.
  • Yes, the A3955SLBTR is AEC-Q100 qualified, which means it meets the stringent requirements for automotive applications. However, it's essential to ensure that the device is used within its specified operating conditions and that the system design meets the relevant automotive standards.
  • To troubleshoot issues with the A3955SLBTR, Allegro recommends checking the device's operating conditions, ensuring proper PCB layout and design, and verifying that the device is used within its specified operating range. Additionally, Allegro provides a range of application notes and technical support resources to help troubleshoot issues.

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A3955SLBTR Overview

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