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BQ2002CPN - Texas Instruments

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

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BQ2002CPN - Texas Instruments - PCB symbol
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BQ2002CPN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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BQ2002CPN - Texas Instruments - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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BQ2002CPN Details

  • Manufacturer Part Number:

    BQ2002CPN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY MONITOR

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.27 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 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:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

BQ2002CPN Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and placing the BQ2002CPN near the battery pack to minimize noise and EMI. Additionally, keep the sense lines short and away from high-current paths.
  • Calibration involves setting the gain and offset for the voltage and current sense amplifiers. TI provides a calibration procedure in the datasheet, which involves measuring the battery voltage and current, and adjusting the gain and offset registers accordingly.
  • The 'sleep' pin is used to put the BQ2002CPN into a low-power mode to conserve energy. To use it, connect the 'sleep' pin to a logic low signal when the device is not in use. This reduces the quiescent current to approximately 10 μA.
  • Yes, the BQ2002CPN is designed to work with various battery chemistries. However, you may need to adjust the gain and offset settings, as well as the charge/discharge thresholds, depending on the specific battery chemistry used.
  • The BQ2002CPN has built-in overcharge and over-discharge protection features. You can set the charge and discharge thresholds using the device's registers. When these thresholds are exceeded, the BQ2002CPN will signal the host controller to take action, such as disconnecting the charger or load.

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BQ2002CPN 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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