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BQ2003SG4 - Texas Instruments

Description: Texas Instruments BQ2003SG4, NiCD, NiMH, Battery Charge Controller 16-Pin, SOIC

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BQ2003SG4 - Texas Instruments - PCB symbol
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PCB Footprints
BQ2003SG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G16)
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BQ2003SG4 - Texas Instruments - 3D model - Small Outline Packages - DW (R-PDSO-G16)
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BQ2003SG4 Details

  • Manufacturer Part Number:

    BQ2003SG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • 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:

    10.3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    2.2 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:

    300 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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:

    7.5 mm

BQ2003SG4 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the IC placed close to the battery, and the sense resistors (Rsns) placed as close as possible to the IC. The layout should also minimize noise and ensure good thermal dissipation.
  • To minimize high-frequency noise and EMI, use a 4-layer PCB with a solid ground plane, and place a 10nF capacitor between VCC and GND. Additionally, use shielded cables and connectors, and ensure good decoupling of the power supply.
  • The maximum allowed voltage on the SNS pin is 5.5V. Exceeding this voltage can damage the IC. Ensure that the voltage on the SNS pin is limited to 5.5V or less using a voltage divider or other protection circuitry.
  • Calibration involves adjusting the gain and offset of the IC to match the specific battery characteristics. This can be done using the CAL pin and an external calibration circuit. Refer to the datasheet and application notes for detailed calibration procedures.
  • The BQ2003SG4 has a typical accuracy of ±1% for battery voltage measurements and ±2% for battery current measurements. However, this can vary depending on the specific application, temperature, and other factors. Refer to the datasheet for detailed specifications and tolerance information.

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BQ2003SG4 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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BQ2003SG4 Alternates

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