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DRV8805DWR - Texas Instruments

Description: 2.0A Unipolar Stepper Motor Driver with On-Chip Indexer (Step/Dir Ctrl)

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DRV8805DWR - Texas Instruments - PCB symbol
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DRV8805DWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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DRV8805DWR - Texas Instruments - 3D model - Small Outline Packages - DW0020A
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DRV8805DWR Details

  • Manufacturer Part Number:

    DRV8805DWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • 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-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    2.1 mA

  • Supply Voltage-Max (Vsup):

    60 V

  • Supply Voltage-Min (Vsup):

    8.2 V

  • Supply Voltage-Nom (Vsup):

    24 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

DRV8805DWR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the VM pin is 50V, but it's recommended to keep it below 40V for reliable operation.
  • The sense resistor value depends on the desired current limit and the voltage drop across the sense resistor. A good starting point is to use the formula Rsense = 0.5V / Imax, where Imax is the maximum current you want to allow.
  • The EN pin is an active-high enable input that allows you to turn the driver on and off. When EN is high, the driver is enabled, and when EN is low, the driver is disabled. You can use this pin to implement a shutdown or standby mode in your system.
  • The DRV8805DWR has built-in overcurrent protection, but you can also add external protection components such as fuses or PTC thermistors to provide additional protection. Make sure to follow the recommended layout and thermal design guidelines to ensure reliable operation.
  • The DRV8805DWR can operate up to 100 kHz, but the maximum switching frequency depends on the specific application and the inductor value. A good starting point is to use a frequency between 20 kHz to 50 kHz for most applications.

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DRV8805DWR 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 DRV8805DW Texas Instruments

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