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TPS2149IDGN - Texas Instruments

Description: 3.3V LDO + Dual Switch For USB Hubs, Active-Low Enables

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TPS2149IDGN - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGN0008D
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TPS2149IDGN - Texas Instruments  - 3D model - Small Outline Packages - DGN0008D
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TPS2149IDGN Details

  • Manufacturer Part Number:

    TPS2149IDGN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.35 V

  • Dropout Voltage2-Max:

    0.35 V

  • Input Voltage Absolute-Max:

    6 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.9 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    8

  • Operating Temperature TJ-Max:

    100 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    0.2 A

  • Output Current2-Max:

    0.2 A

  • Output Voltage1-Max:

    3.4 V

  • Output Voltage1-Min:

    3.2 V

  • Output Voltage1-Nom:

    3.3 V

  • Output Voltage2-Max:

    3.4 V

  • Output Voltage2-Min:

    3.2 V

  • Output Voltage2-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • 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

  • Voltage Tolerance-Max:

    3%

  • Width:

    3 mm

TPS2149IDGN Frequently Asked Questions (FAQs)

  • The TPS2149IDGN has a maximum current rating of 2A per channel, but it's recommended to limit the current to 1.5A per channel for optimal performance and thermal considerations.
  • To ensure proper thermal management, it's essential to provide a good thermal path from the device to a heat sink or the PCB. Use thermal vias, thermal pads, and a heat sink if necessary. Keep the device away from other heat sources, and ensure good airflow around the device.
  • The recommended input capacitance value for the TPS2149IDGN is 10uF to 22uF, with an ESR (Equivalent Series Resistance) of less than 100mΩ. This helps to filter out noise and ensure stable operation.
  • Yes, the TPS2149IDGN is designed for hot-swapping applications. It has built-in overcurrent protection, undervoltage lockout, and soft-start features that make it suitable for hot-swapping scenarios.
  • The enable pins (EN1 and EN2) are active-high inputs. To enable a channel, drive the corresponding enable pin high (VCC or logic high). To disable a channel, drive the enable pin low (GND or logic low). Make sure to use a pull-down resistor on the enable pins to prevent unwanted enabling.

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TPS2149IDGN 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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