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TPS25921LD - Texas Instruments

Description: 18V, 1.6A, 90mΩ eFuse with Adjustable +/-2% Accurate Current Limit

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TPS25921LD - Texas Instruments - PCB symbol
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PCB Footprints
TPS25921LD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A SOIC - 1.75 mm max height
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3D Models
TPS25921LD - Texas Instruments - 3D model - Small Outline Packages - D0008A SOIC - 1.75 mm max height
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TPS25921LD Details

  • Manufacturer Part Number:

    TPS25921LD

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    eFUSE

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • JESD-30 Code:

    R-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.6 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SON

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    0.58 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +1.39V

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

    30

  • Width:

    3.9 mm

TPS25921LD Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS25921LD involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. TI provides a recommended layout in the datasheet and in application notes.
  • Choose an input capacitor with a voltage rating that exceeds the maximum input voltage, a capacitance value between 4.7uF to 22uF, and an ESR that meets the datasheet specifications. X5R or X7R ceramic capacitors are good options.
  • The TPS25921LD can deliver up to 2A of output current, but this depends on the input voltage, output voltage, and thermal conditions. Check the datasheet for specific current limits and thermal derating.
  • The output voltage of the TPS25921LD can be adjusted by connecting a resistor divider network between the VOUT pin and the GND pin, and then connecting the center tap of the divider to the FB pin. The datasheet provides a formula to calculate the resistor values.
  • The EN (enable) pin is used to turn the regulator on or off. When the EN pin is high, the regulator is enabled, and when it's low, the regulator is disabled. This pin can be used to implement power sequencing or to turn off the regulator when not in use.

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TPS25921LD 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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