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BQ2054SN - Texas Instruments

Description: Switch-mode Li-Ion Battery Charger in PDIP or SOIC Package

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BQ2054SN - Texas Instruments - PCB symbol
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PCB Footprints
BQ2054SN - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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BQ2054SN - Texas Instruments - 3D model - Small Outline Packages - D (R-PDSO-G16)
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BQ2054SN Details

  • Manufacturer Part Number:

    BQ2054SN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.97 mm

  • Moisture Sensitivity Level:

    1

  • 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:

    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

BQ2054SN Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the BQ2054SN involves placing the device close to the battery, using a star connection for the sense lines, and keeping the sense lines as short as possible to minimize noise and errors. Additionally, the device should be placed on a solid ground plane to reduce electromagnetic interference (EMI).
  • Calibration of the BQ2054SN involves setting the gain and offset values for the device. This can be done by measuring the voltage and current of the battery under various conditions and adjusting the gain and offset values accordingly. The device also has a built-in calibration mode that can be used to simplify the process.
  • The maximum voltage rating for the BQ2054SN is 12.5V, although it can operate up to 15V for short periods of time. Exceeding this voltage rating can damage the device.
  • The BQ2054SN can handle both charging and discharging of the battery. It has a built-in charging detector that can detect when the battery is being charged or discharged, and it can provide accurate measurements of the battery's state of charge (SOC) and state of health (SOH) during both charging and discharging.
  • The accuracy of the BQ2054SN's measurements depends on various factors such as the quality of the battery, the operating temperature, and the calibration of the device. However, the device is typically accurate to within ±1% for voltage measurements and ±2% for current measurements.

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BQ2054SN Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ205, 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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