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BQ2054PN - Texas Instruments

Description: BQ2054PN, Battery Charge Controller, Lithium-Ion, 16-Pin PDIP

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BQ2054PN - Texas Instruments - PCB symbol
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PCB Footprints
BQ2054PN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 16 Ld PDIP*-*
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BQ2054PN - Texas Instruments - 3D model - Dual-In-Line Packages - 16 Ld PDIP*-*
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BQ2054PN Details

  • Manufacturer Part Number:

    BQ2054PN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    1999-11-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY MONITOR

  • Control Mode:

    CURRENT/VOLTAGE-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-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.18 mm

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    0.005 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    100 kHz

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

BQ2054PN Frequently Asked Questions (FAQs)

  • The BQ2054PN requires careful layout and placement to minimize noise and ensure accurate battery monitoring. TI recommends placing the device close to the battery, using a dedicated analog ground plane, and keeping the analog and digital signals separate. A 4-layer PCB with a solid ground plane is recommended. Additionally, the device should be placed away from high-current carrying traces and heat sources.
  • The BQ2054PN requires calibration to ensure accurate battery monitoring. Calibration involves setting the gain and offset of the device to match the specific battery chemistry and characteristics. TI provides a calibration procedure in the datasheet, which involves applying a known voltage and current to the device and adjusting the gain and offset registers accordingly. It is recommended to perform calibration at multiple temperatures and battery states to ensure accuracy across the entire operating range.
  • The BQ2054PN is designed to operate with a maximum voltage of 12.5V and a maximum current of 100mA. Exceeding these limits can damage the device. It is recommended to use external protection circuitry, such as voltage regulators and current limiters, to ensure that the device operates within its specified limits.
  • The BQ2054PN has a sleep mode that reduces power consumption when the device is not actively monitoring the battery. The device can be woken up by an external interrupt or by setting the wake-up timer. It is recommended to use the device's internal wake-up timer to wake up the device at regular intervals to monitor the battery state. The device's sleep mode and wake-up mechanism should be carefully considered in the system design to ensure that the device wakes up frequently enough to accurately monitor the battery state.
  • The BQ2054PN is designed to provide accurate and repeatable battery monitoring. The device has a typical accuracy of ±1% for voltage measurement and ±2% for current measurement. The device's accuracy and repeatability can be affected by factors such as temperature, noise, and component tolerances. It is recommended to perform thorough testing and characterization of the device in the specific application to ensure that it meets the required accuracy and repeatability specifications.

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BQ2054PN 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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