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BQ2004SN - Texas Instruments

Description: Switch-mode NiCd/NiMH Battery Charger w/Negative dV, Peak Voltage Detection, dT/dt Termination

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BQ2004SN - Texas Instruments - PCB symbol
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BQ2004SN - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - SOIC D16
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BQ2004SN - Texas Instruments - 3D model - Small Outline Packages - SOIC D16
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BQ2004SN Details

  • Manufacturer Part Number:

    BQ2004SN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    4.5 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.58 mm

  • Supply Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Technology:

    CMOS

  • 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:

    3.91 mm

BQ2004SN Frequently Asked Questions (FAQs)

  • The BQ2004SN requires careful layout and placement to minimize noise and ensure optimal performance. TI recommends placing the device close to the battery, using a solid ground plane, and keeping the input and output traces separate to minimize noise coupling.
  • The BQ2004SN has a built-in thermal shutdown feature that disables the device when it exceeds a certain temperature threshold. To handle this, ensure good thermal design, provide adequate heat sinking, and monitor the device's temperature to prevent overheating.
  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 10V or higher. A low-ESR ceramic capacitor, such as an X5R or X7R type, is recommended to minimize power losses and ensure stable operation.
  • The BQ2004SN can be configured for different battery chemistries by adjusting the voltage detection threshold and the charge/discharge current limits. Consult the datasheet and application notes for specific configuration guidelines for your battery chemistry.
  • The BQ2004SN's trickle charge mode can help maintain battery health by preventing over-discharge. However, prolonged trickle charging can cause battery damage. Implement a timer or voltage monitoring to limit trickle charge duration and prevent overcharging.

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BQ2004SN 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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BQ2004SN Alternates

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Image Part Number Model
Part Image BQ2004HSN Texas Instruments

LINEAR BATTERY CHARGER, Fixed, 1 Channel, CMOS, PDSO16
Part Image BQ2004SNTR Texas Instruments

LINEAR BATTERY CHARGER, Fixed, 1 Channel, CMOS, PDSO16
Part Image BQ2004HSNTR Texas Instruments

LINEAR BATTERY CHARGER, Fixed, 1 Channel, CMOS, PDSO16
Part Image BQ2004SN-N Benchmarq Microelectronics Inc

LINEAR BATTERY CHARGER, CMOS, PDSO16
Part Image BQ2004HSNG4 Texas Instruments

LINEAR BATTERY CHARGER, CMOS, PDSO16
For a full list of alternate parts for BQ2004SN, check out Findchips.com