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A3977SLPTR-T - Allegro Microsystems

Description: Dual DMOS Full Bridge W/Microstep

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PCB Footprints
A3977SLPTR-T - Allegro Microsystems PCB footprint - Other - Other - LP_28-pin eTSSOP
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A3977SLPTR-T - Allegro Microsystems  - 3D model - Other - LP_28-pin eTSSOP
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A3977SLPTR-T Details

  • Manufacturer Part Number:

    A3977SLPTR-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1997-09-16

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    8

  • Additional Feature:

    ALSO REQUIRES A 8V TO 35V SUPPLY

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.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 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:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    4.4 mm

A3977SLPTR-T Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the A3977SLPTR-T is -20°C to 85°C.
  • The A3977SLPTR-T requires a single 5V power supply, and it's recommended to use a decoupling capacitor of 10uF or greater between the VCC and GND pins to ensure stable operation.
  • The maximum current rating for the A3977SLPTR-T is 2.5A, but it's recommended to keep the current below 2A for reliable operation.
  • The A3977SLPTR-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 minimum input pulse width required for the A3977SLPTR-T is 100ns, but it's recommended to use a pulse width of at least 200ns for reliable operation.

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A3977SLPTR-T Overview

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