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A3972SB-T - Allegro Microsystems

Description: Dual DMOS Full-Bridge Microstepping PWM Motor Driver

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A3972SB-T - Allegro Microsystems PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 24-pin DIP with 4 fused leads (suffix B)
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A3972SB-T - Allegro Microsystems  - 3D model - Dual-In-Line Packages - 24-pin DIP with 4 fused leads (suffix B)
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A3972SB-T Details

  • Manufacturer Part Number:

    A3972SB-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    LEAD FREE, BATWING, PLASTIC, MS-001BE, DIP-24

  • Pin Count:

    24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    0

  • Additional Feature:

    ALSO REQUIRES 15V TO 50V VBB SUPPLY

  • Analog IC - Other Type:

    FULL BRIDGE BRUSH DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDIP-T24

  • JESD-609 Code:

    e3

  • Length:

    30.099 mm

  • Number of Functions:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    1.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP24,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.33 mm

  • Supply Current-Max (Isup):

    12 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    MOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

A3972SB-T Frequently Asked Questions (FAQs)

  • The A3972SB-T can operate from -20°C to 85°C (TJ) and is suitable for automotive applications.
  • The A3972SB-T requires a single 5 V supply (VCC) and a separate ground (GND) connection. Ensure proper decoupling capacitors are used to minimize noise and voltage fluctuations.
  • The VREF pin is used to set the reference voltage for the internal voltage regulator. It should be connected to a stable voltage source, typically VCC, through a resistor divider network.
  • The A3972SB-T can be configured for half-bridge or H-bridge operation by connecting the appropriate pins (IN1, IN2, and EN) and setting the input logic levels accordingly. Refer to the datasheet for specific configuration details.
  • The A3972SB-T can handle a maximum output current of 2 A per channel, with a total device current limit of 4 A.

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