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TPS23861PWR - Texas Instruments

Description: QUAD IEEE 802.3at Power-Over-Ethernet PSE Controller

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TPS23861PWR - Texas Instruments - PCB symbol
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PCB Footprints
TPS23861PWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW(R-PDSO-G28)
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TPS23861PWR - Texas Instruments - 3D model - Small Outline Packages - PW(R-PDSO-G28)
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TPS23861PWR Details

  • Manufacturer Part Number:

    TPS23861PWR

  • 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

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • 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

  • uPs/uCs/Peripheral ICs Type:

    PSE CONTROLLER

TPS23861PWR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat. Refer to the TI application note 'TPS23861PWR PCB Layout Guidelines' for more information.
  • The sense resistor value depends on the current sensing range and the desired accuracy. Use the formula Rsense = (VSENSE / ISNSE) to calculate the sense resistor value, where VSENSE is the desired sense voltage and ISNSE is the maximum current to be sensed. Consult the datasheet for more information.
  • The maximum cable length depends on the cable type, gauge, and application. As a general guideline, use cables with a maximum length of 3 meters (10 feet) for Power over Ethernet (PoE) applications. For longer cables, consider using repeaters or active cables.
  • The TPS23861PWR is designed for standard PoE voltages (37-57V). For non-standard voltages, consult the datasheet and application notes for guidance on modifying the design. However, be aware that non-standard voltages may affect device performance and reliability.
  • The TPS23861PWR has a built-in overcurrent protection feature. Set the OCSET pin to the desired overcurrent threshold using a resistor divider network. The device will automatically disconnect the output when the current exceeds the set threshold.

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TPS23861PWR 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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