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TPS51220ARSNT - Texas Instruments

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

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PCB Footprints
TPS51220ARSNT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RSN (S-PWQFN-N32)
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3D Models
TPS51220ARSNT - Texas Instruments  - 3D model - Quad Flat No-Lead - RSN (S-PWQFN-N32)
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TPS51220ARSNT Details

  • Manufacturer Part Number:

    TPS51220ARSNT

  • 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

  • Additional Feature:

    ALSO AVAILABLE 5.03V OUTPUT; ALSO OPERATES IN ADJUSTABLE MODE FROM 1 TO 12V

  • 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

TPS51220ARSNT Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise.
  • Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current rating to minimize voltage drops and ensure stable operation. Output capacitors should have low ESR and high capacitance to filter out noise and provide a stable output voltage. Consult the datasheet and capacitor manufacturers' recommendations for specific values and types.
  • The absolute maximum input voltage rating is 18V, but it's recommended to operate within the specified input voltage range of 4.5V to 15V to ensure reliable operation and prevent damage to the IC.
  • The TPS51220ARSNT is rated for operation up to 125°C, but it's essential to consider the thermal design and ensure proper heat dissipation to prevent overheating. Consult the datasheet and thermal design guidelines for more information.
  • The soft-start feature is enabled by connecting a capacitor between the SS pin and GND. The capacitor value determines the soft-start time, with larger values resulting in slower start-up times. Consult the datasheet for recommended capacitor values and soft-start timing charts.

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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 TPS51220ARSNR Texas Instruments

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