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BQ21040DBVT - Texas Instruments

Description: 0.8A Single Input Single-Cell Li-Ion and Li-Pol Battery Charger

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BQ21040DBVT - Texas Instruments - PCB symbol
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PCB Footprints
BQ21040DBVT - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - BQ21040DBVT-1
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3D Models
BQ21040DBVT - Texas Instruments - 3D model - SOT23 (6-Pin) - BQ21040DBVT-1
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BQ21040DBVT Details

  • Manufacturer Part Number:

    BQ21040DBVT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2016-05-12

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    RECHARGE DETECTION THRESHOLD 4.105V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    6.45 V

  • Input Voltage-Min:

    3.5 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.45 mm

  • Supply Voltage-Max (Vsup):

    6.45 V

  • Supply Voltage-Min (Vsup):

    3.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

BQ21040DBVT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the battery, and the power traces should be wide and short to minimize resistance and inductance.
  • The BQ21040DBVT can be configured for different battery chemistries by adjusting the voltage and current settings through the I2C interface. The device also has built-in profiles for common battery chemistries such as Li-ion, NiMH, and Lead-Acid.
  • The BQ21040DBVT can handle charging currents up to 2A, but the maximum current is dependent on the specific application and battery chemistry. It's recommended to consult the datasheet and application notes for more information.
  • The BQ21040DBVT has built-in OVP and UVP circuits that monitor the battery voltage and disconnect the charging current if the voltage exceeds or falls below the programmed thresholds.
  • Yes, the BQ21040DBVT can be used for charging multiple batteries in parallel, but it requires additional external circuitry to balance the charging current between the batteries.

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BQ21040DBVT Overview

Use the download button to access the BQ21040DBVT schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like BQ210, 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 BQ21040DBVR Texas Instruments

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