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BQ3055DBT - Texas Instruments

Description: Battery Management 2,3,& 4Series Li-Ion Batt Pack Mgr

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BQ3055DBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0030A
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BQ3055DBT - Texas Instruments  - 3D model - Small Outline Packages - DBT0030A
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BQ3055DBT Details

  • Manufacturer Part Number:

    BQ3055DBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY MONITOR

  • JESD-30 Code:

    R-PDSO-G30

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    30

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP30,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    3.8 V

  • Supply Voltage-Nom (Vsup):

    14.4 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

BQ3055DBT Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended layout and placement guide in the application note SLUA443, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and reliability.
  • The BQ3055DBT can be configured for different battery chemistries by adjusting the voltage and current settings through the I2C interface. Texas Instruments provides a battery configuration guide in the application note SLUA444, which includes settings for common battery chemistries such as Li-ion, NiMH, and Lead-Acid.
  • The fuel gauge accuracy of the BQ3055DBT is typically ±1% over the entire operating range. Calibration is done through the I2C interface by writing to the calibration registers. Texas Instruments provides a calibration guide in the application note SLUA445, which includes step-by-step instructions for calibrating the fuel gauge.
  • The BQ3055DBT has built-in fault detection and error handling mechanisms, including overcharge/over-discharge protection, short-circuit detection, and temperature monitoring. In the event of a fault, the device can be configured to alert the system through an interrupt or by setting a fault flag. Texas Instruments provides a fault handling guide in the application note SLUA446, which includes guidelines for implementing fault detection and error handling in the system.
  • The BQ3055DBT is rated for operation up to 85°C, but it can be used in high-temperature applications with proper thermal management. Texas Instruments provides thermal management guidelines in the application note SLUA447, which includes recommendations for heat sinking, thermal interface materials, and system design to ensure reliable operation in high-temperature environments.

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BQ3055DBT Overview

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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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