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A3906SES-T - Allegro Microsystems

Description: IC MOTOR DRIVER PAR 20QFN

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Symbol
A3906SES-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A3906SES-T - Allegro Microsystems PCB footprint - Other - Other - ES ,20-Pin QFN
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3D Models
A3906SES-T - Allegro Microsystems - 3D model - Other - ES ,20-Pin QFN
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A3906SES-T Details

  • Manufacturer Part Number:

    A3906SES-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, MO-220WGGD, QFN-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    1.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    9 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

A3906SES-T Frequently Asked Questions (FAQs)

  • Allegro provides a recommended PCB layout in their application note AN296050, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and thermal dissipation.
  • The maximum current rating for the A3906SES-T depends on the ambient temperature, PCB layout, and thermal management. Allegro provides a current rating calculator tool on their website, which takes into account these factors to provide a safe operating current.
  • The recommended input capacitor value for the A3906SES-T is 10uF to 22uF, with an X7R or X5R dielectric, and a voltage rating of 25V or higher. This ensures stable operation and minimizes input voltage ripple.
  • The A3906SES-T is rated for operation up to 150°C, but derating is required for temperatures above 125°C. Allegro provides a thermal derating curve in the datasheet, which should be consulted to ensure safe operation in high-temperature environments.
  • Allegro provides a troubleshooting guide in their application note AN296050, which covers common issues and their solutions. Additionally, Allegro's technical support team can be contacted for further assistance.

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A3906SES-T Overview

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Stepper Motor Controller, 1.5A, CMOS, PQCC20