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BQ2019PW - Texas Instruments

Description: Texas Instruments BQ2019PW, Battery Fuel Gauge IC Lithium-Ion, NiMH, 8-Pin, TSSOP

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BQ2019PW - Texas Instruments - PCB symbol
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PCB Footprints
BQ2019PW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0008A_
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3D Models
BQ2019PW - Texas Instruments - 3D model - Small Outline Packages - PW0008A_
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BQ2019PW Details

  • Manufacturer Part Number:

    BQ2019PW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.4 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.8 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

BQ2019PW Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the BQ2019PW involves keeping the device away from high-current carrying traces, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane is recommended.
  • To handle the high current consumption during charging, ensure that the PCB traces and components can handle the high current, use a sufficient number of vias to connect the power planes, and consider using a heat sink or thermal pad to dissipate heat.
  • The recommended charging profile for the BQ2019PW involves a constant current phase followed by a constant voltage phase. The charging current should be limited to 1C (1x the battery capacity) and the charging voltage should be limited to 4.2V per cell.
  • To implement overcharge protection with the BQ2019PW, use an external voltage supervisor or a dedicated overcharge protection IC to monitor the battery voltage and disconnect the charging current when the voltage reaches 4.2V per cell.
  • Yes, the BQ2019PW can be used with multiple battery chemistries, including Nickel-Cadmium (NiCd), Nickel-Metal Hydride (NiMH), and Lithium-Ion (Li-ion). However, the charging profile and voltage limits may need to be adjusted depending on the battery chemistry.

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BQ2019PW Overview

Use the download button to access the BQ2019PW schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ201, or try a keyword search, such as Other Signal 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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