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BQ27546YZFR-G1 - Texas Instruments

Description: Single Cell Impedance Track System Side Fuel Gauge

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BQ27546YZFR-G1 - Texas Instruments - PCB symbol
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PCB Footprints
BQ27546YZFR-G1 - Texas Instruments PCB footprint - BGA - BGA - YZF0015-1
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BQ27546YZFR-G1 - Texas Instruments - 3D model - BGA - YZF0015-1
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BQ27546YZFR-G1 Details

  • Manufacturer Part Number:

    BQ27546YZFR-G1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    BGA

  • Pin Count:

    15

  • 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

  • Length:

    2.61 mm

  • 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 Equivalence Code:

    BGA15,3X5,20

  • 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

  • Width:

    1.956 mm

BQ27546YZFR-G1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout guide in the application note SLUA533, which includes guidelines for component placement, routing, and thermal management to ensure accurate fuel gauging.
  • Calibration involves characterizing the battery's state of charge (SOC) vs. voltage curve, and then programming the BQ27546YZFR-G1 with the resulting data. TI provides a calibration guide in the application note SLUA535, which includes a step-by-step process for calibration.
  • The BQ27546YZFR-G1 can support up to 16 series-connected batteries, but this may require additional external circuitry and careful design consideration to ensure accurate fuel gauging and safe operation.
  • The BQ27546YZFR-G1 is rated for operation up to 85°C, but TI recommends derating the device's accuracy and performance at high temperatures. For high-temperature applications, consider using the BQ27546YZFR-G1 with a thermal management system or selecting a different fuel gauge IC.
  • The BQ27546YZFR-G1 has built-in support for SHA-1 authentication, and TI provides guidelines for implementing secure authentication protocols in the application note SLUA537. Additionally, consider using secure firmware and encryption to protect against unauthorized access and tampering.

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BQ27546YZFR-G1 Overview

Use the download button to access the BQ27546YZFR-G1 schematic symbol, PCB footprint, and 3D model.
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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