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BQ27742YZFT-G1 - Texas Instruments

Description: Texas Instruments BQ27742YZFT-G1, Battery Fuel Gauge IC Lithium-Ion, Maximum of 5 V, 15-Pin, CSP

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BQ27742YZFT-G1 - Texas Instruments PCB footprint - BGA - BGA - YZF0015
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BQ27742YZFT-G1 - Texas Instruments  - 3D model - BGA - YZF0015
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BQ27742YZFT-G1 Details

  • Manufacturer Part Number:

    BQ27742YZFT-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

  • Additional Feature:

    ALSO OPERATES WITH SUPPLY 2.45 TO 2.8V; VG THR FOR ATTACHMENT DET IS 2.7V AND REMOVAL DET IS 1V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-XBGA-B15

  • JESD-609 Code:

    e1

  • Length:

    2.776 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:

    UNSPECIFIED

  • 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 Current-Max (Isup):

    0.01 mA

  • Supply Voltage-Max (Vsup):

    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

BQ27742YZFT-G1 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the battery voltage is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat.
  • Calibrate the fuel gauge by charging and discharging the battery multiple times, and then use the BQ27742YZFT-G1's calibration commands to set the gauge's parameters. Refer to the application note SLUA364 for detailed calibration procedures.
  • The maximum allowed voltage on the VCC pin is 3.6V. Exceeding this voltage may damage the device.
  • Configure the device to monitor the battery voltage and current, and use the OVP (Over-Voltage Protection) and OCP (Over-Current Protection) thresholds to detect overcharge conditions. The device will automatically cut off the charging current when an overcharge condition is detected.
  • Yes, the BQ27742YZFT-G1 is designed to work with lithium-polymer batteries. However, ensure that the battery's chemistry and characteristics are compatible with the device's operating conditions.

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BQ27742YZFT-G1 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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