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MAX1721EUT+T - Analog Devices

Description: Switching Voltage Regulators SOT23, Switched-Capacitor Voltage Inverters with Shutdown

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MAX1721EUT+T - Analog Devices - PCB symbol
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PCB Footprints
MAX1721EUT+T - Analog Devices PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - U6+4
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3D Models
MAX1721EUT+T - Analog Devices - 3D model - SOT23 (6-Pin) - U6+4
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MAX1721EUT+T Details

  • Manufacturer Part Number:

    MAX1721EUT+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    6-SOT_23-N/A

  • Package Description:

    LSSOP, TSOP6,.11,37

  • Pin Count:

    6

  • Manufacturer Package Code:

    6-SOT_23-N/A

  • Reach Compliance Code:

    Compliant

  • 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:

    1999-05-07

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHED CAPACITOR CONVERTER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.6 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.025 A

  • Output Voltage-Nom:

    -5.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    200 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.625 mm

MAX1721EUT+T Frequently Asked Questions (FAQs)

  • The MAX1721EUT+T requires careful layout and placement to ensure optimal performance. It is recommended to place the device close to the battery, use short and wide traces for the power paths, and keep the noise-sensitive analog signals away from the power traces. Additionally, a solid ground plane and a decoupling capacitor between VCC and GND are recommended.
  • To calibrate the fuel gauge accurately, it is recommended to follow the calibration procedure outlined in the datasheet. This involves setting the device to learn mode, charging and discharging the battery multiple times, and then setting the device to normal mode. It is also important to ensure that the battery is in a healthy state and that the device is properly configured.
  • Temperature can affect the accuracy of the fuel gauge. The MAX1721EUT+T has a built-in temperature sensor that can be used to compensate for temperature effects. However, it is still important to consider the temperature range of the application and to calibrate the device accordingly. Additionally, it is recommended to use a thermistor or other temperature sensor to provide more accurate temperature measurements.
  • In the case where the battery is deeply discharged or damaged, the MAX1721EUT+T may not be able to accurately measure the battery state of charge. It is recommended to implement a safety mechanism to detect and handle such cases, such as a voltage supervisor or a battery protection circuit. Additionally, it is important to ensure that the device is properly configured and calibrated to handle such scenarios.
  • The MAX1721EUT+T communicates via an I2C interface. It is recommended to use a standard I2C protocol with a clock frequency of 100 kHz or 400 kHz, and to ensure that the interface is properly terminated and shielded to prevent noise and interference.

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MAX1721EUT+T 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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