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BQ2018SN-E1 - Texas Instruments

Description: Battery Monitor Li-Ion 8-Pin SOIC

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BQ2018SN-E1 Details

  • Manufacturer Part Number:

    BQ2018SN-E1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.89 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °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:

    1.78 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.8 V

  • Supply Voltage-Nom (Vsup):

    4.25 V

  • Surface Mount:

    YES

  • 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:

    3.935 mm

BQ2018SN-E1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the guidelines in the application note 'Battery Fuel Gauges: PCB Layout Considerations' (SLUA364) for optimal performance.
  • The BQ2018SN-E1 requires calibration to ensure accurate battery fuel gauging. Calibration involves measuring the battery's capacity and internal resistance, and then programming the values into the device. Refer to the datasheet and application note 'BQ2018/BQ2019 Calibration and Verification' (SLUA365) for detailed calibration procedures.
  • The BQ2018SN-E1's SOC measurement accuracy is typically ±5% over the entire operating range, but this can vary depending on the specific battery chemistry, age, and operating conditions. Refer to the datasheet for more information on accuracy and limitations.
  • Yes, the BQ2018SN-E1 can be used with multiple battery chemistries, including lithium-ion, nickel-metal hydride, and lead-acid. However, the device may require different calibration and configuration settings for each chemistry. Refer to the datasheet and application notes for more information.
  • The BQ2018SN-E1 communicates with a microcontroller through an I2C interface. The device provides a range of registers that can be read and written to configure and monitor the battery fuel gauge. Refer to the datasheet and application notes for more information on interface and communication protocols.

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BQ2018SN-E1 Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ201, 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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Part Image BQ2018SN-E1TR Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, PDSO8