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BQ3050DBTR - Texas Instruments

Description: Battery Management 2S-4S Batt Gas Gauge & Prot

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BQ3050DBTR - Texas Instruments - PCB symbol
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PCB Footprints
BQ3050DBTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0038A
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3D Models
BQ3050DBTR - Texas Instruments - 3D model - Small Outline Packages - DBT0038A
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BQ3050DBTR Details

  • Manufacturer Part Number:

    BQ3050DBTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    38

  • 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 MONITOR

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • 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

BQ3050DBTR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the BQ3050DBTR placed close to the battery, and the input capacitors placed close to the device. A 4-layer PCB is recommended to minimize noise and EMI.
  • The charging current can be optimized by adjusting the resistor values of R_ILIM and R_CHG. A higher value of R_ILIM reduces the charging current, while a lower value increases it. Consult the datasheet for specific calculations and guidelines.
  • The EN (Enable) pin is used to enable or disable the charging function. When EN is high, the charger is enabled, and when EN is low, the charger is disabled. This pin can be connected to a microcontroller or a switch to control the charging function.
  • The BQ3050DBTR has an internal OVP circuit that detects over-voltage conditions and disconnects the charger from the input. However, it's recommended to add external OVP components, such as a voltage supervisor or a Zener diode, to provide additional protection.
  • The BQ3050DBTR has a thermal shutdown feature that disables the charger when the junction temperature exceeds 150°C. Ensure good thermal design practices, such as providing adequate heat sinking and airflow, to prevent overheating.

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BQ3050DBTR Overview

Use the download button to access the BQ3050DBTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ305, 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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