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BQ2028YZGR - Texas Instruments

Description: 4Kb EEPROM with single-wire HDQ interface and temperature sensor

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BQ2028YZGR - Texas Instruments - PCB symbol
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BQ2028YZGR - Texas Instruments PCB footprint - BGA - BGA - dsbga12++
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BQ2028YZGR Details

  • Manufacturer Part Number:

    BQ2028YZGR

  • 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

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • Input Voltage-Max:

    4.5 V

  • JESD-30 Code:

    R-XBGA-B12

  • JESD-609 Code:

    e1

  • Length:

    2.35 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • 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 Voltage-Max (Vsup):

    4.5 V

  • Supply Voltage-Min (Vsup):

    2.45 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:

    1.49 mm

BQ2028YZGR Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a compact layout with the BQ2028YZGR placed close to the battery, and the voltage regulator and capacitors placed nearby to minimize noise and parasitic inductance. A 4-layer PCB with a solid ground plane is recommended.
  • To ensure accurate gas gauge readings, it's essential to calibrate the device during manufacturing, use a high-accuracy voltage reference, and implement a robust battery characterization process. Additionally, consider using a thermistor to monitor battery temperature and adjust the gas gauge accordingly.
  • The BQ2028YZGR can operate with a maximum voltage range of 4.5V to 12V, but it's recommended to operate within the 4.5V to 10V range for optimal performance and accuracy.
  • The BQ2028YZGR has a sleep mode that can be enabled by pulling the SLEEP pin low. To wake up the device, pull the SLEEP pin high or use an external interrupt. Ensure that the wake-up mechanism is properly implemented to avoid unwanted sleep mode entries.
  • The BQ2028YZGR uses a 2-wire I2C interface for communication. Use a pull-up resistor on the SCL line and ensure that the I2C clock frequency is within the recommended range of 10 kHz to 400 kHz.

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BQ2028YZGR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ202, or try a keyword search, such as Other Signal 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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