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UC2637DW - Texas Instruments

Description: Texas Instruments UC2637DW, Motor Controller, PWM Motor Driver, 20-Pin SOIC

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UC2637DW - Texas Instruments - PCB symbol
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PCB Footprints
UC2637DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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3D Models
UC2637DW - Texas Instruments - 3D model - Small Outline Packages - DW0020A
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UC2637DW Details

  • Manufacturer Part Number:

    UC2637DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    3-PHASE BRUSHLESS DC 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:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Output Current-Max:

    0.5 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):

    15 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • 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

UC2637DW Frequently Asked Questions (FAQs)

  • The UC2637DW requires careful layout and placement to minimize noise and ensure proper operation. TI recommends placing the IC close to the input capacitors, using a star-ground configuration, and keeping the high-current paths short and wide.
  • Choose low-ESR, high-frequency capacitors (e.g., ceramic or film capacitors) with a voltage rating that exceeds the maximum input voltage. The capacitance value depends on the input voltage, output voltage, and desired ripple current.
  • The UC2637DW can deliver up to 3A of output current, but this depends on the input voltage, output voltage, and thermal considerations. Ensure proper thermal design and heat sinking to maintain reliability.
  • The UC2637DW has a built-in overcurrent protection feature. Connect a resistor (Roc) between the OC pin and GND to set the overcurrent threshold. The IC will shut down if the output current exceeds the set threshold.
  • The EN pin is an active-high enable input that allows the user to turn the converter on or off. When EN is low, the IC is in shutdown mode, reducing quiescent current and power consumption.

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UC2637DW Overview

Use the download button to access the UC2637DW schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC263, or try a keyword search, such as Motion Control Electronics

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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For a full list of alternate parts for UC2637DW, check out Findchips.com