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BQ29312APW - Texas Instruments

Description: Texas Instruments BQ29312APW, Li-Ion Protector Circuit Lithium-Ion, Lithium-Polymer, 24-Pin TSSOP

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BQ29312APW - Texas Instruments - PCB symbol
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BQ29312APW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP
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BQ29312APW - Texas Instruments - 3D model - Small Outline Packages - TSSOP
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BQ29312APW Details

  • Manufacturer Part Number:

    BQ29312APW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    24

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • Input Voltage-Max:

    25 V

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    5

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °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):

    4.5 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:

    4.4 mm

BQ29312APW 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 sense resistor value depends on the maximum current and voltage of the system. A good starting point is to use the formula Rsense = 0.1V / Imax, where Imax is the maximum current. The sense resistor should be placed close to the device and have a low temperature coefficient.
  • The EN pin is an active-high enable input that allows the device to be turned on and off. It can be connected to a logic signal or a switch to control the device's operation. When EN is high, the device is enabled, and when EN is low, the device is disabled.
  • The BQ29312APW has built-in overvoltage protection (OVP) and undervoltage protection (UVP) features. However, additional protection can be added using external components such as zener diodes or voltage supervisors to provide extra protection against voltage transients and faults.
  • The thermal derating curve is provided in the datasheet and shows the maximum power dissipation of the device versus temperature. To use it, determine the maximum ambient temperature of the system and the maximum power dissipation required, and then use the curve to determine the maximum current that the device can handle.

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BQ29312APW 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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