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TPS51220ARSNR - Texas Instruments

Description: Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Pwr Controller

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TPS51220ARSNR - Texas Instruments - PCB symbol
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PCB Footprints
TPS51220ARSNR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RSN (S-PWQFN-N32)
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3D Models
TPS51220ARSNR - Texas Instruments - 3D model - Quad Flat No-Lead - RSN (S-PWQFN-N32)
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TPS51220ARSNR Details

  • Manufacturer Part Number:

    TPS51220ARSNR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    32

  • Country Of Origin:

    Malaysia, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    32 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 A

  • Output Voltage-Max:

    12 V

  • Output Voltage-Min:

    1 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

TPS51220ARSNR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general best practices for switching regulator layout, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths.
  • The selection of the inductor depends on the output current, switching frequency, and output voltage ripple requirements. TI provides an inductor selection guide in the datasheet, and online tools such as the TI Inductor Selection Tool can also be used to find a suitable inductor.
  • The maximum input voltage rating of the TPS51220ARSNR is 18V, but it's recommended to derate the input voltage to 15V to ensure reliable operation and to prevent damage to the IC.
  • The output voltage of the TPS51220ARSNR can be adjusted by changing the resistor divider network connected to the FB pin. The datasheet provides a formula to calculate the required resistor values for a specific output voltage.
  • The thermal shutdown temperature of the TPS51220ARSNR is typically around 150°C, but this can vary depending on the specific device and operating conditions. It's recommended to consult the datasheet and to implement thermal monitoring and shutdown mechanisms in the system design.

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TPS51220ARSNR 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 TPS51220ARSNT Texas Instruments

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