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BQ20Z95DBT - Texas Instruments

Description: TEXAS INSTRUMENTS - BQ20Z95DBT - Li-Ion/-Pol Battery Fuel Gauge, Protector, 4.5-25V supply, 2 Wire, Serial, SMBus, TSSOP-44

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BQ20Z95DBT - Texas Instruments - PCB symbol
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BQ20Z95DBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0044A
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BQ20Z95DBT - Texas Instruments - 3D model - Small Outline Packages - DBT0044A
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BQ20Z95DBT Details

  • Manufacturer Part Number:

    BQ20Z95DBT

  • 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:

    YES

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-PDSO-G44

  • JESD-609 Code:

    e4

  • Length:

    11 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

BQ20Z95DBT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the fuel gauge circuitry is recommended. Keep the sense resistors close to the battery and use a Kelvin connection to minimize noise and errors.
  • Use the TI-provided calibration software and follow the application note guidelines to create a custom calibration file. This involves measuring the battery's capacity, internal resistance, and other characteristics to create a tailored calibration profile.
  • Use a daisy-chain configuration, where each device communicates with its neighbors, and the last device communicates with the host controller. Ensure proper isolation and synchronization between devices to maintain accuracy and prevent errors.
  • Use an external current sense resistor or a current sense amplifier to scale the current measurement to within the BQ20Z95DBT's range. Alternatively, use a high-side current sense approach with an external amplifier and ADC.
  • Use a thermally conductive PCB material, ensure good airflow, and consider using thermal interface materials. Follow the datasheet's thermal derating guidelines and consider using a temperature sensor to monitor the device's temperature.

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BQ20Z95DBT Overview

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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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