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UCC21540DWKR - Texas Instruments

Description: Galvanically Isolated Gate Drivers 5.7kVrms 4A/6A dual- channel isolated gat A 595-UCC21540DWK

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UCC21540DWKR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DWK0014A
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UCC21540DWKR - Texas Instruments  - 3D model - Small Outline Packages - DWK0014A
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UCC21540DWKR Details

  • Manufacturer Part Number:

    UCC21540DWKR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-14

  • Country Of Origin:

    Japan, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • High Side Driver:

    YES

  • Input Characteristics:

    SCHMITT TRIGGER

  • Interface IC Type:

    HALF BRIDGE BASED IGBT/MOSFET DRIVER

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    STANDARD

  • Output Current-Max:

    6 A

  • Output Peak Current Limit-Nom:

    4 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14/16,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    4.2 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    18 V

  • Supply Voltage1-Min:

    6 V

  • Supply Voltage1-Nom:

    12 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • 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

  • Turn-off Time:

    0.04 µs

  • Turn-on Time:

    0.04 µs

  • Width:

    7.5 mm

UCC21540DWKR Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC21540DWKR involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing the length of the power traces. TI provides a recommended PCB layout in the application note SLUA623.
  • To ensure the UCC21540DWKR operates within its SOA, monitor the device's junction temperature (TJ) and ensure it does not exceed 150°C. Also, keep the input voltage (VIN) within the recommended range (4.5V to 18V), and avoid exceeding the maximum current ratings for the output (IOUT) and input (IIN).
  • When selecting LO and CO, consider the desired output voltage ripple, inductor core loss, and capacitor ESR. TI provides a detailed inductor and capacitor selection guide in the application note SLUA623.
  • The UCC21540DWKR has a built-in OCP and SCP feature. To implement it, connect the OCP pin to a resistor divider network that sets the OCP threshold. The device will automatically shut down if the output current exceeds the set threshold.
  • The recommended startup sequence for the UCC21540DWKR is: 1) Apply VIN, 2) Wait for the internal voltage regulator to stabilize, 3) Apply EN (enable) signal, and 4) Wait for the output voltage to stabilize.

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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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