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BQ769142PFBR - Texas Instruments

Description: Battery Management 3-s to 14-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 battery 48-TQFP -40 to 85

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BQ769142PFBR - Texas Instruments - PCB symbol
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PCB Footprints
BQ769142PFBR - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB (S-PQFP-G48) PLASTIC QUAD FLATPACK
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BQ769142PFBR - Texas Instruments - 3D model - Quad Flat Packages - PFB (S-PQFP-G48) PLASTIC QUAD FLATPACK
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BQ769142PFBR Details

  • Manufacturer Part Number:

    BQ769142PFBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY MONITOR

  • Input Voltage-Max:

    80 V

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    80 V

  • Supply Voltage-Min (Vsup):

    4.7 V

  • Supply Voltage-Nom (Vsup):

    59.2 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    +4.35V

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

    30

  • Width:

    7 mm

BQ769142PFBR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital grounds separate and connect them at a single point. Use a decoupling capacitor (e.g., 10uF) between VCC and GND, and place it close to the device.
  • The BQ769142PFBR is pre-configured for Li-ion batteries, but you can adjust the settings for other chemistries using the TI-provided software tools. For example, you can modify the charge voltage, charge current, and termination voltage to suit your specific battery type.
  • The BQ769142PFBR can handle up to 4A of charging current, but it's recommended to limit the current to 2A or less for optimal performance and to prevent overheating.
  • The BQ769142PFBR has built-in overcharge protection, which can be enabled by setting the OVP (Over-Voltage Protection) threshold using the TI-provided software tools. You can also use external circuitry to detect overcharge conditions and disconnect the charger.
  • Yes, the BQ769142PFBR can be used for charging multiple batteries in parallel, but you'll need to ensure that each battery has its own sense resistor and that the total charging current does not exceed the device's maximum rating.

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BQ769142PFBR 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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