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DRV8821DCAR - Texas Instruments

Description: 1.5A Dual Bipolar Stepper Motor Driver with 1/8 Microstepping Indexer (Step/Dir Ctrl)

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DRV8821DCAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DCA
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DRV8821DCAR Details

  • Manufacturer Part Number:

    DRV8821DCAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    48

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G48

  • JESD-609 Code:

    e4

  • Length:

    12.5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP48,.3,20

  • 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):

    32 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Supply Voltage-Nom (Vsup):

    24 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    6.1 mm

DRV8821DCAR Frequently Asked Questions (FAQs)

  • The maximum current rating of the DRV8821DCAR is 2.5A per phase, but it can be limited by the thermal performance of the PCB and the motor.
  • The microstepping mode can be configured by setting the M0, M1, and M2 pins to select one of the 32 microstepping modes. The specific configuration depends on the desired microstepping mode and the motor characteristics.
  • The TRQ pin is a torque regulation pin that allows the user to adjust the torque limit of the motor. It can be used to prevent motor stall or to limit the maximum current.
  • Check the power supply voltage, motor connections, and enable pin (EN) to ensure they are properly configured. Also, verify that the step and direction pins are being driven correctly and that the motor is not overheating.
  • Yes, the DRV8821DCAR can be used with a bipolar stepper motor. However, the motor windings need to be connected in a unipolar configuration, and the motor's phase sequence needs to be adjusted accordingly.

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DRV8821DCAR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image DRV8821DCA Texas Instruments

Stepper Motor Controller, 1.5A, BIPolar, PDSO48