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A4985SLPTR-T - Allegro Microsystems

Description: 1A Dual Full Bridge 1/8 Microstep Driver W/Ocp

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PCB Footprints
A4985SLPTR-T - Allegro Microsystems PCB footprint - Other - Other - LP Package, 24-Pin TSSOP
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A4985SLPTR-T - Allegro Microsystems  - 3D model - Other - LP Package, 24-Pin TSSOP
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A4985SLPTR-T Details

  • Manufacturer Part Number:

    A4985SLPTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-24

  • Pin Count:

    24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    8

  • Additional Feature:

    ALSO OPERATES WITH THE RANGE OF 8V-35V SUPPLY

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP24,.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 Current-Max (Isup):

    8 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    DMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    4.4 mm

A4985SLPTR-T Frequently Asked Questions (FAQs)

  • The A4985SLPTR-T can operate from -20°C to 85°C (TJ) and is suitable for automotive applications.
  • The current limit can be adjusted by changing the voltage on the VREF pin, which sets the current limit threshold. A higher voltage on VREF results in a higher current limit.
  • The SLEEP pin is used to put the device into a low-power sleep mode, reducing the quiescent current and power consumption. When the SLEEP pin is pulled low, the device enters sleep mode.
  • No, the A4985SLPTR-T is designed to operate with a maximum voltage of 35V. Using a higher voltage may damage the device. If you need to drive a stepper motor that requires a higher voltage, consider using a different driver IC or a voltage regulator to step down the voltage.
  • Check the voltage supply, motor connections, and current limit settings. Ensure that the device is properly configured and that the motor is compatible with the driver. Also, verify that the thermal pad is properly connected to a heat sink or thermal interface material to prevent overheating.

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