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BQ2002ESN - Texas Instruments

Description: NiCd/NiMH Charge Controller with Negative dV and Peak Voltage Detection Termination

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BQ2002ESN - Texas Instruments - PCB symbol
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BQ2002ESN - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-8N
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BQ2002ESN - Texas Instruments - 3D model - Other - SOIC127P600X175-8N
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BQ2002ESN Details

  • Manufacturer Part Number:

    BQ2002ESN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Analog IC - Other Type:

    BATTERY MONITOR

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    4 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.58 mm

  • Supply Current-Max (Isup):

    0.5 mA

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • 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:

    3.91 mm

BQ2002ESN Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the charging circuitry is recommended. Keep the charging circuitry away from noisy digital signals and ensure good decoupling capacitors are used.
  • Consult the datasheet for the specific battery chemistry you are using and adjust the charge voltage, charge current, and termination voltage accordingly. You may also need to adjust the charge timer and pre-charge timer.
  • Using an external voltage regulator can reduce the overall power consumption and heat generation of the BQ2002ESN. However, it may also affect the accuracy of the charge voltage and current monitoring.
  • Use a logic analyzer or oscilloscope to monitor the charging signals and verify that the charging voltage and current are within the expected ranges. Check the battery connections and ensure that the battery is not damaged or defective.
  • No, the BQ2002ESN is designed to work with specific battery chemistries and voltage ratings. Using it with a different battery chemistry or voltage rating may result in reduced performance, damage to the battery or charger, or even a safety hazard.

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BQ2002ESN Overview

Use the download button to access the BQ2002ESN schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ200, 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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