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A3977SEDTR-T - Allegro Microsystems

Description: Stepper Motor Driver IC, 35 V 2.5A 28-Pin, TSSOP

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PCB Footprints
A3977SEDTR-T - Allegro Microsystems PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - ED Package, 44-pin PLCC
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3D Models
A3977SEDTR-T - Allegro Microsystems  - 3D model - Plastic Leaded Chip Carrier - ED Package, 44-pin PLCC
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A3977SEDTR-T Details

  • Manufacturer Part Number:

    A3977SEDTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    LPCC

  • Package Description:

    LEAD FREE, PLASTIC, MS-018AC, LCC-44

  • Pin Count:

    44

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Additional Feature:

    ALSO REQUIRES A 8V TO 35V SUPPLY

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    S-PQCC-J44

  • JESD-609 Code:

    e3

  • Length:

    16.59 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC44,.7SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    NMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

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

    40

  • Width:

    16.59 mm

A3977SEDTR-T Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the A3977SEDTR-T is -40°C to 150°C.
  • The A3977SEDTR-T requires a single 5V power supply, and it's recommended to use a decoupling capacitor of 10nF to 100nF between the VCC and GND pins to ensure stable operation.
  • The typical current consumption of the A3977SEDTR-T is 10mA, but it can vary depending on the operating frequency and output load.
  • The A3977SEDTR-T can be configured for half-bridge or full-bridge operation by connecting the appropriate pins and setting the input logic levels according to the datasheet.
  • The maximum output current of the A3977SEDTR-T is 1.5A per channel, but it's recommended to limit the output current to 1A per channel for reliable operation.

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A3977SEDTR-T Overview

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Part Image A3977SED-TTR Allegro MicroSystems LLC

Motion Control Electronic, PQCC44