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MAX31785ETL+ - Analog Devices

Description: IC,Power,MAX31785ETL+ Maxim MAX31785ETL+, Fan Controller IC, Fan Controller, 40-Pin TQFN

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Symbol
MAX31785ETL+ - Analog Devices - PCB symbol
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PCB Footprints
MAX31785ETL+ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 40 TQFN-EP
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3D Models
MAX31785ETL+ - Analog Devices - 3D model - Quad Flat No-Lead - 40 TQFN-EP
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MAX31785ETL+ Details

  • Manufacturer Part Number:

    MAX31785ETL+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    40-LFCSP-6X6X0.75

  • Pin Count:

    40

  • Manufacturer Package Code:

    40-LFCSP-6X6X0.75

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2010-12-22

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-XQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • 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

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

MAX31785ETL+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX31785ETL+ involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure proper power-up and configuration, it's recommended to follow a specific power-up sequence, which includes applying the input voltage, waiting for the internal voltage regulator to stabilize, and then configuring the device through the I2C interface. The datasheet provides a detailed power-up sequence diagram.
  • The MAX31785ETL+ has a maximum junction temperature of 150°C. To prevent overheating, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power for extended periods. The datasheet provides thermal resistance values to help with thermal design.
  • To troubleshoot issues with the MAX31785ETL+, start by reviewing the datasheet and application notes to ensure proper configuration and usage. Use a logic analyzer or oscilloscope to monitor the I2C bus and verify proper communication. Check the device's status registers and error flags to identify the source of the issue.
  • The MAX31785ETL+ is designed to meet EMI/EMC regulatory standards, but proper PCB layout, component selection, and shielding are still necessary to ensure compliance. Follow the datasheet's guidelines for PCB layout and component selection, and consider using EMI filters or shielding to minimize emissions.

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MAX31785ETL+ 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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