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A3979SLP-T - Allegro Microsystems

Description: ALLEGRO MICROSYSTEMS - A3979SLP-T - IC, MOTOR DRIVER 2.5A TSSOP28, SMD

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PCB Footprints
A3979SLP-T - Allegro Microsystems PCB footprint - Other - Other - LP_28-pin eTSSOP
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A3979SLP-T - Allegro Microsystems  - 3D model - Other - LP_28-pin eTSSOP
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A3979SLP-T Details

  • Manufacturer Part Number:

    A3979SLP-T

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    1.2 MM HEIGHT, LEAD FREE, EXPOSED PAD, MO-153AET, TSSOP-28

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Additional Feature:

    ALSO REQUIRES 8V TO 35V VBB SUPPLY

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • 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

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BCDMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    4.4 mm

A3979SLP-T Frequently Asked Questions (FAQs)

  • The A3979SLP-T can operate from -40°C to 150°C, making it suitable for high-reliability applications.
  • The A3979SLP-T requires a single 5 V supply voltage, and it's recommended to use a decoupling capacitor of at least 10 μF between the VCC and GND pins to ensure stable operation.
  • The A3979SLP-T has a maximum current rating of 2.5 A, making it suitable for high-current applications.
  • The A3979SLP-T can be configured for different motor types by adjusting the external resistors and capacitors connected to the device. Refer to the application note AN296070 for specific configuration guidelines.
  • The internal voltage regulator in the A3979SLP-T provides a stable 5 V supply voltage for the internal logic and can also be used to power external components.

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A3979SLP-T Overview

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