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A4987SESTR-T - Allegro Microsystems

Description: 1A Dual Full Bridge W/2 Bit Dac And Ocp

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A4987SESTR-T - Allegro Microsystems PCB footprint - Other - Other -  Package ES, 24-pin QFN with exposed thermal pad
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3D Models
A4987SESTR-T - Allegro Microsystems  - 3D model - Other -  Package ES, 24-pin QFN with exposed thermal pad
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A4987SESTR-T Details

  • Manufacturer Part Number:

    A4987SESTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, MO-220WGGD, QFN-24

  • Pin Count:

    24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    8

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    S-XQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 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:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,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:

    0.8 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:

    NMOS

  • 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:

    4 mm

A4987SESTR-T Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the A4987SESTR-T is -20°C to 85°C.
  • To properly sequence the enable pins, ENBL should be set high before ENBA. ENBL should be low before ENBA is set low.
  • A 10uF to 22uF decoupling capacitor is recommended for the A4987SESTR-T, placed as close to the device as possible.
  • The current limit can be adjusted by changing the value of the sense resistor (Rs) connected to the SENSE pin. A smaller Rs value increases the current limit, while a larger Rs value decreases it.
  • The DIAG pin is an open-drain output that indicates when the device is in an overcurrent or overtemperature condition. It can be used to trigger an interrupt or reset the system.

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