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UCC21551BDWKR - Texas Instruments

Description: Gate Drivers 4A/6A 5kVRMS dual-channel isolated gate driver with EN and DT pins for IGBT and SiC

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UCC21551BDWKR - Texas Instruments - PCB symbol
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PCB Footprints
UCC21551BDWKR - Texas Instruments PCB footprint - Other - Other - DWK0014A_2024-1
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3D Models
UCC21551BDWKR - Texas Instruments - 3D model - Other - DWK0014A_2024-1
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UCC21551BDWKR Details

  • Manufacturer Part Number:

    UCC21551BDWKR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia

  • 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:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    TOTEM-POLE

  • 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

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    25 V

  • Supply Voltage1-Min:

    9.2 V

  • Supply Voltage1-Nom:

    12 V

  • Surface Mount:

    YES

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Turn-off Time:

    0.045 µs

  • Turn-on Time:

    0.045 µs

  • Width:

    7.5 mm

UCC21551BDWKR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the UCC21551 application note (SLUA623). It's essential to follow the guidelines for component placement, trace routing, and grounding to minimize EMI and ensure reliable operation.
  • The input capacitor value depends on the input voltage, output voltage, and switching frequency. A general guideline is to use a capacitor with a value between 10nF to 100nF. However, it's recommended to consult the UCC21551 application note (SLUA623) and perform simulations to determine the optimal capacitor value for your specific design.
  • The UCC21551BDWKR's output pins can withstand a maximum voltage stress of 30V during startup or fault conditions. However, it's recommended to limit the voltage stress to 20V or less to ensure reliable operation and prevent damage to the device.
  • The OCP pin can be used to implement overcurrent protection by connecting a resistor (R_OCP) between the OCP pin and ground. The value of R_OCP determines the overcurrent threshold. Consult the UCC21551 datasheet and application note (SLUA623) for more information on implementing overcurrent protection.
  • The UCC21551BDWKR is a high-power device that requires effective thermal management. A recommended strategy is to use a heat sink with a thermal resistance of 10°C/W or less, and ensure good airflow around the device. Additionally, consider using thermal interface materials and following good PCB design practices to minimize thermal resistance.

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UCC21551BDWKR 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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