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LM5170PHPR - Texas Instruments

Description: Switching Controllers Multiphase bidirectional current controller 48-HTQFP -40 to 125

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LM5170PHPR - Texas Instruments - PCB symbol
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LM5170PHPR - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PHP0048C
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LM5170PHPR - Texas Instruments - 3D model - Quad Flat Packages - PHP0048C
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LM5170PHPR Details

  • Manufacturer Part Number:

    LM5170PHPR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2019-12-07

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    85 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    50 A

  • Output Voltage-Max:

    85 V

  • Output Voltage-Min:

    6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTFQFP

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

LM5170PHPR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use a Kelvin connection for the output voltage sense pins. Avoid routing high-frequency signals near the input and output pins.
  • Monitor the junction temperature (TJ) and ensure it stays below the maximum rating of 150°C. Calculate the power dissipation (PD) and ensure it stays within the SOA curve. Use a thermal design calculator or simulation tool to estimate the junction temperature and power dissipation.
  • A low-ESR ceramic capacitor (X5R or X7R) with a value of 10-22uF is recommended. The input capacitor affects the converter's stability, noise, and transient response. A larger capacitor value can improve the converter's stability but may increase the startup time and reduce the power density.
  • Adjust the output voltage sense resistor (RSENSE) to optimize the output voltage regulation. Use a low-ESR output capacitor (10-22uF) and a small ceramic capacitor (1-10nF) in parallel to improve the transient response. Optimize the feedback resistor (RFB) and capacitor (CFB) values to achieve the desired transient response.
  • Select an inductor with a high saturation current rating, low DCR, and a suitable inductance value (e.g., 1-10uH). Choose an output capacitor with a low ESR, high ripple current rating, and a suitable capacitance value (e.g., 10-22uF). Ensure the inductor and capacitor values meet the converter's stability and transient response requirements.

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LM5170PHPR 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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