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A4989SLDTR-T - Allegro Microsystems

Description: Dual Full Bridge MOSFET Driver W/Microstep Translator

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PCB Footprints
A4989SLDTR-T - Allegro Microsystems PCB footprint - Other - Other - LD Package, 38-Pin TSSOP
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3D Models
A4989SLDTR-T - Allegro Microsystems  - 3D model - Other - LD Package, 38-Pin TSSOP
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A4989SLDTR-T Details

  • Manufacturer Part Number:

    A4989SLDTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-38

  • Pin Count:

    38

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • Additional Feature:

    ALSO REQUIRED MOTOR SUPPLY VOLTAGE OF 12V TO 50V

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, 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

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    4.4 mm

A4989SLDTR-T Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the A4989SLDTR-T is -20°C to 85°C.
  • The enable pins (ENBL and ENBA) should be sequenced in the following order: ENBL should be set high before ENBA, and ENBA should be set low before ENBL.
  • The recommended decoupling capacitor value for the A4989SLDTR-T is 10uF to 22uF, with a voltage rating of 10V or higher.
  • The current limit for the A4989SLDTR-T can be adjusted by changing the value of the sense resistor (Rs) connected to the SENSE pin. A smaller Rs value will result in a higher current limit.
  • The VREG pin is an internal voltage regulator output that can be used to power external circuitry. It is recommended to use a capacitor (e.g. 10uF) to decouple the VREG pin.

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A4989SLDTR-T Overview

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