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BQ2031SN-A5 - Texas Instruments

Description: Switch-mode Lead-Acid Battery Charger with User-Selectable Charge Algorithms

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BQ2031SN-A5 - Texas Instruments - PCB symbol
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PCB Footprints
BQ2031SN-A5 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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3D Models
BQ2031SN-A5 - Texas Instruments - 3D model - Small Outline Packages - D (R-PDSO-G16)
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BQ2031SN-A5 Details

  • Manufacturer Part Number:

    BQ2031SN-A5

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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 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

  • 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-A5 Frequently Asked Questions (FAQs)

  • A good PCB layout for the BQ2031SN-A5 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. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure proper power-up and initialization, the BQ2031SN-A5 requires a power-on reset (POR) circuit to ensure the internal voltage regulator is fully enabled before the device starts operating. A 10uF capacitor on the VCC pin and a 1kΩ resistor on the EN pin are recommended.
  • The recommended input capacitor value is 10uF to 22uF, with a low ESR (Equivalent Series Resistance) type, such as X5R or X7R ceramic capacitors. This ensures stable operation and minimizes voltage ripple.
  • The BQ2031SN-A5 has a thermal pad on the bottom of the package, which should be connected to a solid ground plane or a thermal relief pattern on the PCB to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer between the device and the PCB.
  • The BQ2031SN-A5 is a sensitive device and requires proper handling to prevent damage. It is recommended to handle the device by the body, avoid touching the pins, and use an anti-static wrist strap or mat to prevent electrostatic discharge (ESD) damage.

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BQ2031SN-A5 Overview

Use the download button to access the BQ2031SN-A5 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ203, 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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