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BQ29412PWRG4 - Texas Instruments

Description: Battery Management Voltage Protection for 2-3-or 4-Cell

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BQ29412PWRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G**)
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BQ29412PWRG4 - Texas Instruments  - 3D model - Small Outline Packages - PW (R-PDSO-G**)
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BQ29412PWRG4 Details

  • Manufacturer Part Number:

    BQ29412PWRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    Battery over-voltage protection(Min/Max)(V) : 4.425 and 4.475

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    SECONDARY BATTERY PROTECTOR

  • Input Voltage-Max:

    25 V

  • 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:

    110 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • 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 Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    14 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • 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

BQ29412PWRG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the layout guidelines in the application note 'BQ29412PWRG4 Layout Guidelines' (SLUAUH7) for optimal performance.
  • The sense resistor value depends on the maximum current and voltage of your application. TI provides a sense resistor calculation tool on their website, or you can use the formula: Rsense = (VSENSE / ISENSE) * (RATIO / GAIN), where VSENSE is the sense voltage, ISENSE is the sense current, RATIO is the current sense ratio, and GAIN is the gain of the device.
  • The BQ29412PWRG4 has an operating temperature range of -40°C to 125°C, but the device can be derated for high-temperature operation. Refer to the datasheet for derating curves and thermal management guidelines.
  • The BQ29412PWRG4 has a built-in overcurrent protection feature. Set the OCP threshold by programming the OCP register, and the device will limit the output current to the set value. You can also use an external resistor to adjust the OCP threshold.
  • The BQ29412PWRG4 has a maximum input voltage rating of 36V, but it can be used in high-voltage applications with proper voltage regulation and protection. Ensure that the input voltage is within the recommended operating range and follow the guidelines in the datasheet for high-voltage operation.

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BQ29412PWRG4 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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Part Image BQ29412PWR Texas Instruments

SECONDARY BATTERY PROTECTOR, Fixed, 1 Channel, PDSO8