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LP8731QYZRRQ1 - Texas Instruments

Description: LP8731-Q1 Dual High-Current Step-Down DC/DC & Dual Linear Reg with I2C Interface

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LP8731QYZRRQ1 - Texas Instruments - PCB symbol
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PCB Footprints
LP8731QYZRRQ1 - Texas Instruments PCB footprint - BGA - BGA - YZR0025(H=0.675mm)
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3D Models
LP8731QYZRRQ1 - Texas Instruments - 3D model - BGA - YZR0025(H=0.675mm)
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LP8731QYZRRQ1 Details

  • Manufacturer Part Number:

    LP8731QYZRRQ1

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES IN PFM CONTROL TECHNIQUE; ADJUSTABLE OUTPUT MODE FROM 0.8 V TO 3.3 V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PBGA-B25

  • JESD-609 Code:

    e1

  • Length:

    2.4905 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    4

  • Number of Terminals:

    25

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.2 A

  • Output Voltage-Max:

    1.675 V

  • Output Voltage-Min:

    0.8875 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA25,5X5,20

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.675 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2500 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    2.4905 mm

LP8731QYZRRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended layout and placement guide in the LP8731QYZRRQ1 datasheet (Section 10.2) and in the application note 'LP8731 Layout and Placement Guidelines' (SLUAAC3). It's essential to follow these guidelines to ensure proper thermal performance, noise reduction, and overall device reliability.
  • The LP8731QYZRRQ1 is a programmable power management IC. You can configure the output voltage using the I2C interface and the device's internal registers. Refer to the datasheet (Section 7) and the 'LP8731 Programming Guide' (SLUAAC4) for detailed information on how to set the output voltage and other parameters.
  • The LP8731QYZRRQ1 has a maximum input voltage rating of 5.5V. However, it's recommended to operate the device within the specified input voltage range of 2.7V to 5.5V to ensure proper operation and reliability.
  • Proper thermal management is crucial for the LP8731QYZRRQ1. Ensure good airflow around the device, and consider using thermal vias, heat sinks, or thermal pads to dissipate heat. The datasheet (Section 10.1) provides thermal resistance and power dissipation information to help with thermal design.
  • The LP8731QYZRRQ1 is rated for operation up to 125°C (TJ). However, the device's performance and reliability may degrade at higher temperatures. Ensure that your design takes into account the temperature range and derating factors specified in the datasheet (Section 6.2).

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LP8731QYZRRQ1 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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