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A4985SETTR-T - Allegro Microsystems

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

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PCB Footprints
A4985SETTR-T - Allegro Microsystems PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ET Package, 32-Contact QFN with Exposed Thermal Pad-1
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3D Models
A4985SETTR-T - Allegro Microsystems  - 3D model - Quad Flat No-Lead - ET Package, 32-Contact QFN with Exposed Thermal Pad-1
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A4985SETTR-T Details

  • Manufacturer Part Number:

    A4985SETTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    QFN-32

  • Pin Count:

    32

  • 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:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 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:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    40

  • Width:

    5 mm

A4985SETTR-T Frequently Asked Questions (FAQs)

  • The A4985SETTR-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 VREF voltage allows for higher current limits.
  • The SLEEP pin is used to put the device into a low-power sleep mode, reducing quiescent current and power consumption when the motor is not in use.
  • No, the A4985SETTR-T should not be used with a stepper motor that has a higher voltage rating than the device's maximum voltage (35V). Exceeding the maximum voltage can damage the device.
  • Check the motor connections, ensure proper voltage and current supply, and verify the control signals. Also, check for overheating by monitoring the device's temperature and ensuring proper heat sinking.

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