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TPS25921AD - Texas Instruments

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

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TPS25921AD - Texas Instruments - PCB symbol
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TPS25921AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A_C
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TPS25921AD - Texas Instruments - 3D model - Small Outline Packages - D0008A_C
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TPS25921AD Details

  • Manufacturer Part Number:

    TPS25921AD

  • 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

TPS25921AD Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS25921AD 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 application notes.
  • Choose an input capacitor with a voltage rating higher than the maximum input voltage, a capacitance value between 4.7uF to 22uF, and an ESR (Equivalent Series Resistance) less than 100mΩ. X5R or X7R ceramic capacitors are good options.
  • The maximum output current of the TPS25921AD is 2A, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.
  • The output voltage of the TPS25921AD can be adjusted by connecting a resistor divider network between the VOUT pin and the GND pin, and connecting the feedback pin to the center tap of the divider. The output voltage can be calculated using the formula provided in the datasheet.
  • 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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TPS25921AD 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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Part Image TPS25921ADR Texas Instruments

Adjustable, 1 Channel, +1.39V, PDSO8