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BQ24090DGQT - Texas Instruments

Description: 1A, Single Input, Single Cell Li-Ion Battery Charger w/ 10kΩ NTC | Li-ion Linear Battery Charger IC

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BQ24090DGQT - Texas Instruments - PCB symbol
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PCB Footprints
BQ24090DGQT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGQ0010D
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3D Models
BQ24090DGQT - Texas Instruments - 3D model - Small Outline Packages - DGQ0010D
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BQ24090DGQT Details

  • Manufacturer Part Number:

    BQ24090DGQT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    10

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    6.45 V

  • Input Voltage-Min:

    4.45 V

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP10,.19,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    1 mA

  • Supply Voltage-Max (Vsup):

    6.45 V

  • Supply Voltage-Min (Vsup):

    4.45 V

  • Supply Voltage-Nom (Vsup):

    4 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +6.65V

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

    30

  • Width:

    3 mm

BQ24090DGQT Frequently Asked Questions (FAQs)

  • A good PCB layout for the BQ24090DGQT involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. TI provides a recommended PCB layout in the datasheet and application notes.
  • The selection of input and output capacitors for the BQ24090DGQT depends on the specific application requirements. TI recommends using low-ESR capacitors with a minimum capacitance of 4.7uF for the input and 10uF for the output. The capacitor selection guide in the datasheet provides more information.
  • The BQ24090DGQT can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V for optimal performance and to prevent overheating.
  • The BQ24090DGQT output voltage can be configured using the EN/DVS pin. By connecting a resistor divider network between the EN/DVS pin and the output voltage, the output voltage can be set to a specific value. The datasheet provides a formula to calculate the required resistor values.
  • The BQ24090DGQT has a thermal shutdown feature that turns off the device when the junction temperature exceeds 150°C. To prevent overheating, it's recommended to provide good airflow, use a heat sink if necessary, and ensure that the device is mounted on a PCB with a solid ground plane.

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BQ24090DGQT 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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