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TPS61281YFFT - Texas Instruments

Description: 3A, battery front end DC/DC converter, synchronous boost-bypass. 1S Li-Ion, Ni-Rich, Si-Anode

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PCB Footprints
TPS61281YFFT - Texas Instruments PCB footprint - BGA - BGA - YFF0016 dsbga
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TPS61281YFFT - Texas Instruments  - 3D model - BGA - YFF0016 dsbga
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TPS61281YFFT Details

  • Manufacturer Part Number:

    TPS61281YFFT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    DSBGA-16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES IN PFM CONTROL TECHNIQUE

  • Analog IC - Other Type:

    BATTERY CHARGE CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    4.85 V

  • Input Voltage-Min:

    2.3 V

  • Input Voltage-Nom:

    3.2 V

  • JESD-30 Code:

    S-XBGA-B16

  • JESD-609 Code:

    e1

  • Length:

    1.666 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    4.4 V

  • Output Voltage-Min:

    2.85 V

  • Output Voltage-Nom:

    3.4 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA16,4X4,16

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.625 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    2300 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.666 mm

TPS61281YFFT Frequently Asked Questions (FAQs)

  • According to TI's application notes, a 10uF to 22uF input capacitor with low ESR (Equivalent Series Resistance) is recommended for optimal performance and stability.
  • To ensure the device is in a low-power shutdown mode, the EN pin should be pulled low (typically to GND) and the input voltage should be removed or reduced to a level below the UVLO (Under-Voltage Lockout) threshold.
  • The maximum output current capability of the TPS61281YFFT is 1.2A, but it's recommended to derate the output current based on the ambient temperature and PCB thermal design to ensure reliable operation.
  • The TPS61281YFFT is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. TI recommends derating the output current and ensuring proper thermal design to maintain reliable operation in high-temperature environments.
  • TI recommends following a star-grounding scheme, keeping the input and output capacitors close to the device, and using a solid ground plane to minimize noise and ensure reliable operation.

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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 TPS61281YFF Texas Instruments

Battery Charge Controller, Current-mode, 2300kHz Switching Freq-Max