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BQ2057CTSTRG4 - Texas Instruments

Description: Linear Charge Management Li-Ion/Li-Pol 2000mA 4.2V 8-Pin TSSOP T/R

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BQ2057CTSTRG4 - Texas Instruments - PCB symbol
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BQ2057CTSTRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G8)
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BQ2057CTSTRG4 - Texas Instruments - 3D model - Small Outline Packages - PW (R-PDSO-G8)
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BQ2057CTSTRG4 Details

  • Manufacturer Part Number:

    BQ2057CTSTRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    TSSOP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.4 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    4 mA

  • Supply Voltage-Max (Vsup):

    15 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.2V

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

BQ2057CTSTRG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA271, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The BQ2057CTSTRG4 has a built-in surge protection circuit that can handle high current surges during battery insertion and removal. However, it's recommended to add external protection components, such as a TVS diode, to further protect the device from excessive voltage and current surges.
  • The BQ2057CTSTRG4 is designed to work with a wide range of battery chemistries, including Li-Ion, Li-Polymer, and NiMH. The recommended battery configuration is a single-cell battery with a capacity range of 500mAh to 2000mAh.
  • The BQ2057CTSTRG4 has a built-in overcharge protection circuit that can be enabled by connecting the OVP pin to a voltage source. The device will automatically disconnect the charging current when the battery voltage reaches the overcharge threshold (typically 4.2V).
  • The BQ2057CTSTRG4 has an operating temperature range of -40°C to 85°C, making it suitable for use in a wide range of applications, including automotive and industrial systems.

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BQ2057CTSTRG4 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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