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MAX38889AATE+ - Analog Devices

Description: 2.5V??5.5V, 3A Reversible Buck/Boost Regulator for Backup Power Applications

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Symbol
MAX38889AATE+ - Analog Devices - PCB symbol
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PCB Footprints
MAX38889AATE+ - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 16 TQFN
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3D Models
MAX38889AATE+ - Analog Devices - 3D model - Quad Flat No-Lead - 16 TQFN
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MAX38889AATE+ Details

  • Manufacturer Part Number:

    MAX38889AATE+

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    16-LFCSP-3X3X0.75

  • Package Description:

    TQFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    16-LFCSP-3X3X0.75

  • Country Of Origin:

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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2021-04-21

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE FREQUENCY MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    0.5 V

  • Input Voltage-Nom:

    2.8 V

  • JESD-30 Code:

    S-XQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.75 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    2.5 V

  • Output Voltage-Nom:

    3.7 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1200 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    3 mm

MAX38889AATE+ Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX38889AATE+ involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the battery. A 4-layer PCB with a dedicated power plane is recommended. Refer to the MAX38889AATE+ evaluation kit for a reference design.
  • To optimize the performance of the MAX38889AATE+ in a high-temperature environment, ensure good thermal dissipation by using a heat sink or a thermal pad, and follow the recommended operating conditions. Also, consider using a thermistor to monitor the temperature and adjust the charging current accordingly.
  • While the MAX38889AATE+ is optimized for Li-ion batteries, it can be used with other battery chemistries with some modifications. However, the charging algorithm and voltage limits may need to be adjusted. Consult with Analog Devices' support team for guidance on using the MAX38889AATE+ with non-standard battery chemistries.
  • The MAX38889AATE+ has a built-in overvoltage protection (OVP) feature that can be enabled by connecting the OVP pin to a voltage divider. The OVP threshold can be set by selecting the appropriate resistor values. Refer to the datasheet for more information on implementing OVP with the MAX38889AATE+.
  • The recommended input capacitor value for the MAX38889AATE+ is 10uF to 22uF, with an X5R or X7R dielectric. The capacitor should be placed close to the VIN pin and have a low ESR to ensure stable operation.

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MAX38889AATE+ 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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