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BQ27545YZFT-G1 - Texas Instruments

Description: Texas Instruments BQ27545YZFT-G1, Battery Fuel Gauge IC

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BQ27545YZFT-G1 - Texas Instruments - PCB symbol
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PCB Footprints
BQ27545YZFT-G1 - Texas Instruments PCB footprint - BGA - BGA - YZF0015-1
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BQ27545YZFT-G1 - Texas Instruments - 3D model - BGA - YZF0015-1
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BQ27545YZFT-G1 Details

  • Manufacturer Part Number:

    BQ27545YZFT-G1

  • 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:

    NO

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-PBGA-B15

  • JESD-609 Code:

    e1

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    15

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.625 mm

  • Supply Voltage-Max (Vsup):

    4.5 V

  • Supply Voltage-Min (Vsup):

    2.8 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

BQ27545YZFT-G1 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the fuel gauge circuitry is recommended. Keep the sense resistors close to the battery and use a Kelvin connection to minimize errors.
  • Use the TI-provided calibration software and follow the application note (SLUA533) guidelines to calibrate the fuel gauge for your specific battery. You may need to perform multiple iterations of calibration to achieve optimal results.
  • Temperature affects the fuel gauge's accuracy. Use the built-in temperature sensor or an external temperature sensor to compensate for temperature effects. Apply the temperature correction factors provided in the datasheet to achieve accurate results.
  • Use the device's sleep mode to minimize power consumption when the system is in standby. Configure the wake-up mechanism using the device's interrupt pins or a timer to wake up the device only when necessary.
  • Use a separate fuel gauge for each cell or group of cells. Ensure proper isolation and balancing between cells to prevent overcharge or over-discharge. Consult the datasheet and application notes for specific guidelines.

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BQ27545YZFT-G1 Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ275, 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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