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BQ2057WTSTR - Texas Instruments

Description: TEXAS INSTRUMENTS - BQ2057WTSTR - BATTERY CHARGER, 2A, TSSOP-8, FULL REEL

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BQ2057WTSTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0008A1
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BQ2057WTSTR - Texas Instruments  - 3D model - Small Outline Packages - PW0008A1
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BQ2057WTSTR Details

  • Manufacturer Part Number:

    BQ2057WTSTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, 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

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

    30

  • Width:

    3 mm

BQ2057WTSTR Frequently Asked Questions (FAQs)

  • It's recommended to follow the layout guidelines provided in the datasheet, with the IC placed near the battery and the sense resistors placed close to the IC. A 4-layer PCB is recommended to minimize noise and ensure accurate current sensing.
  • Calibration involves adjusting the sense resistor values and the gain settings to match the specific battery chemistry and capacity. TI provides a calibration guide and software tools to help with this process.
  • The maximum voltage rating is 42V, but it's recommended to operate within the 3.5V to 4.2V range for optimal performance and accuracy.
  • Yes, the BQ2057WTSTR is designed to work with various battery chemistries, including Li-ion, NiMH, and Lead-Acid. However, calibration and configuration may vary depending on the specific chemistry used.
  • The BQ2057WTSTR has built-in overcharge and over-discharge protection features, which can be configured to trigger alerts or shutdowns when the battery voltage exceeds or falls below certain thresholds.

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BQ2057WTSTR 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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