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BQ20Z655DBTR - Texas Instruments

Description: Gas Gauge/Protection Li-Ion/Li-Pol 0V to 25V 44-Pin TSSOP T/R

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BQ20Z655DBTR - Texas Instruments - PCB symbol
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PCB Footprints
BQ20Z655DBTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0044A
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BQ20Z655DBTR - Texas Instruments - 3D model - Small Outline Packages - DBT0044A
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BQ20Z655DBTR Details

  • Manufacturer Part Number:

    BQ20Z655DBTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-44

  • Pin Count:

    44

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-PDSO-G44

  • JESD-609 Code:

    e4

  • Length:

    11.15 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP44,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    14 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

BQ20Z655DBTR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the battery voltage is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat.
  • Use the TI-provided software tools, such as the Battery Management Studio, to configure the device for your specific battery chemistry. You'll need to input the battery's characteristics, such as capacity, voltage, and temperature coefficients.
  • The BQ20Z655DBTR can handle up to 4A of charging current, but this may vary depending on the specific application and thermal design. Be sure to check the device's thermal performance and adjust the charging current accordingly.
  • The BQ20Z655DBTR has built-in cell balancing capabilities. Connect the cell balancing resistors to the device's CB pins, and configure the device to use the internal cell balancing algorithm. You can also use external cell balancing ICs if needed.
  • The BQ20Z655DBTR's SOC estimation accuracy is typically within 5% of the actual SOC, but this may vary depending on the battery type, age, and usage patterns. Calibration and customization may be necessary for optimal accuracy.

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BQ20Z655DBTR Overview

Use the download button to access the BQ20Z655DBTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ20Z, or try a keyword search, such as Power Management Circuits

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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