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UCC2891PWR - Texas Instruments

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UCC2891PWR Details

  • Manufacturer Part Number:

    UCC2891PWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    8.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    16 V

  • Supply Voltage-Min (Vsup):

    8.5 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

UCC2891PWR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the UCC2891PWR datasheet, but it's also important to follow general high-frequency layout guidelines, such as keeping the power stage components close together, using a solid ground plane, and minimizing trace lengths and widths.
  • The transformer selection depends on the specific application requirements, such as output voltage, current, and frequency. Texas Instruments provides a transformer selection guide in the UCC2891PWR datasheet, and engineers can also use online transformer selection tools or consult with transformer manufacturers.
  • The UCC2891PWR has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) is 150°C. Engineers should ensure that the device is properly cooled and that the thermal design is adequate to prevent overheating.
  • The UCC2891PWR does not have built-in OVP, but engineers can implement external OVP circuits using zener diodes, resistors, and comparators. Texas Instruments provides application notes and design examples for OVP implementation.
  • The recommended input capacitor value depends on the input voltage, output voltage, and switching frequency. A general rule of thumb is to use a capacitor with a value of 10-22 μF, but engineers should consult the UCC2891PWR datasheet and application notes for specific guidance.

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UCC2891PWR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like UCC28, or try a keyword search, such as Switching Regulator or Controllers

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 UCC2891PW Texas Instruments

Switching Controller, Current-mode, 2.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO16