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LT8491IUKJ#PBF - Analog Devices

Description: High Voltage Buck-Boost Battery Charge?Controller with Maximum Power Point?Tracking (MPPT) and I2C

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LT8491IUKJ#PBF - Analog Devices PCB footprint - Other - Other - UKJ  Package Variation: UKJ64(58) 64(58)-Lead Plastic QFN (7mm × 11mm)
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LT8491IUKJ#PBF - Analog Devices  - 3D model - Other - UKJ  Package Variation: UKJ64(58) 64(58)-Lead Plastic QFN (7mm × 11mm)
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LT8491IUKJ#PBF Details

  • Manufacturer Part Number:

    LT8491IUKJ#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-64/58

  • Pin Count:

    64

  • Manufacturer Package Code:

    05-08-1922

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2020-01-10

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    6 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N58

  • JESD-609 Code:

    e3

  • Length:

    11 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    58

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    80 V

  • Output Voltage-Min:

    1.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC58/64,.27X.43,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    400 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

LT8491IUKJ#PBF Frequently Asked Questions (FAQs)

  • The LT8491 can handle input voltages up to 40V, but it's recommended to keep it below 36V for optimal performance and reliability.
  • To minimize EMI and noise, keep the input and output capacitors close to the IC, use a solid ground plane, and keep the high-current paths short and direct. Also, use a shielded inductor and orient it to minimize radiation.
  • The recommended PCB layout for the LT8491 is to use a 4-layer board with a solid ground plane, and to keep the high-current paths on the top layer. Keep the input and output capacitors close to the IC, and use a shielded inductor.
  • To select the right inductor for the LT8491, consider the maximum current, inductance value, and core material. A shielded inductor with a low DCR (DC resistance) and high saturation current is recommended.
  • The LT8491 can deliver up to 2A of output current, but it's recommended to keep it below 1.5A for optimal performance and reliability.

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LT8491IUKJ#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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