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BQ2031SN-A5G4 - Texas Instruments

Description: Linear Charge Management Lead-Acid 2000mA 16-Pin SOIC Tube

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PCB Footprints
BQ2031SN-A5G4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 16-Pin SN (0.150" SOIC)
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BQ2031SN-A5G4 - Texas Instruments  - 3D model - Small Outline Packages - 16-Pin SN (0.150" SOIC)
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BQ2031SN-A5G4 Details

  • Manufacturer Part Number:

    BQ2031SN-A5G4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-16

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.97 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.78 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    100 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.935 mm

BQ2031SN-A5G4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good design practices, such as keeping the sense lines short and away from noise sources, using a solid ground plane, and placing the device close to the battery.
  • Calibration involves setting the device's internal registers to match the specific battery characteristics. TI provides a calibration guide and software tools, such as the Fuel Gauge Calibration Tool, to help with this process.
  • The BQ2031SN-A5G4 has an SOC accuracy of ±5% over the entire operating range, making it suitable for most battery-powered applications. However, this accuracy can be affected by factors like battery age, temperature, and charging/discharging patterns.
  • Yes, the device supports various battery chemistries, including Li-ion, NiMH, and Lead-Acid. However, you may need to adjust the device's internal registers and calibration settings to accommodate the specific battery characteristics.
  • The BQ2031SN-A5G4 has a built-in mechanism to compensate for battery self-discharge, which helps maintain an accurate SOC measurement. However, it's essential to consider the self-discharge rate of the specific battery type and adjust the device's settings accordingly.

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BQ2031SN-A5G4 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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