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BQ20Z45DBTR - Texas Instruments

Description: SBS 1.1 compliant Gas Gauge with Impedance Track Technology and Advanced Charging Algorithm

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BQ20Z45DBTR - Texas Instruments - PCB symbol
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PCB Footprints
BQ20Z45DBTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0038A
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3D Models
BQ20Z45DBTR - Texas Instruments - 3D model - Small Outline Packages - DBT0038A
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BQ20Z45DBTR Details

  • Manufacturer Part Number:

    BQ20Z45DBTR

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-44

  • Pin Count:

    44

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-PDSO-G44

  • JESD-609 Code:

    e4

  • Length:

    11.3 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:

    TSSOP38,.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

BQ20Z45DBTR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the fuel gauge circuitry is recommended. The device should be placed close to the battery, and the PCB layout should minimize noise and interference.
  • Calibration involves programming the device with the battery's characteristics, such as capacity, chemistry, and discharge curve. TI provides a calibration guide and software tools to assist with this process.
  • Temperature affects the device's accuracy, especially at extreme temperatures. Compensate by using the device's built-in temperature sensor and applying temperature correction factors, or by using an external temperature sensor.
  • Implement a coulomb counting algorithm, which integrates the battery's current over time to track the SOC. The BQ20Z45DBTR provides a coulomb counter and supports various charging and discharging profiles.
  • Each cell should have its own BQ20Z45DBTR device, and the devices should be connected in a master-slave configuration. The master device should be connected to the battery management system (BMS) for overall pack monitoring.

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BQ20Z45DBTR Overview

Use the download button to access the BQ20Z45DBTR 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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Part Image BQ20Z45DBT Texas Instruments

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