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BQ2057TSNTR - Texas Instruments

Description: Battery Management Li-Ion LDO Linear Charge Management IC

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BQ2057TSNTR - Texas Instruments - PCB symbol
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BQ2057TSNTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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BQ2057TSNTR - Texas Instruments - 3D model - Small Outline Packages - D0008A
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BQ2057TSNTR Details

  • Manufacturer Part Number:

    BQ2057TSNTR

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, PLASTIC, MS-012AA, SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 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 Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

BQ2057TSNTR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA271, which includes guidelines for component placement, trace routing, and thermal management to ensure optimal performance and minimize noise.
  • The sense resistor value depends on the desired charge current and the voltage drop across the resistor. A general guideline is to choose a value that results in a voltage drop of 50-100 mV at the maximum charge current. TI provides a calculation tool and guidelines in the datasheet to help with the selection.
  • The BQ2057TSNTR is rated for operation up to 85°C ambient temperature, but it's essential to consider the device's thermal characteristics, such as the junction-to-ambient thermal resistance (RθJA), to ensure reliable operation in high-temperature environments.
  • Yes, the BQ2057TSNTR can be used to charge multiple batteries in parallel, but it's crucial to ensure that the total charge current does not exceed the device's maximum rating. Additionally, the sense resistor value may need to be adjusted to accommodate the increased current.
  • The BQ2057TSNTR has a built-in overcharge protection feature that can be enabled by connecting the OCP pin to a voltage source. The device will then limit the charge current to prevent overcharging. TI provides more information on implementing overcharge protection in the datasheet and application notes.

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BQ2057TSNTR Overview

Use the download button to access the BQ2057TSNTR schematic symbol, PCB footprint, and 3D model.
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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BQ2057TSNTR Alternates

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Part Image BQ2057TSN Texas Instruments

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Part Image BQ2057CSNTR Rochester Electronics LLC

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Part Image BQ2057TSNTRG4 Texas Instruments

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