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BQ27621YZFR-G1A - Texas Instruments

Description: System-Side Fuel Gauge with Dynamic Voltage Correlation, Battery Gas Gauge

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BQ27621YZFR-G1A - Texas Instruments PCB footprint - BGA - BGA - YZF0009-CO1
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BQ27621YZFR-G1A - Texas Instruments  - 3D model - BGA - YZF0009-CO1
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BQ27621YZFR-G1A Details

  • Manufacturer Part Number:

    BQ27621YZFR-G1A

  • 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-XBGA-B9

  • JESD-609 Code:

    e1

  • Length:

    1.6205 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    9

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA9,3X3,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.625 mm

  • Supply Current-Max (Isup):

    0.027 mA

  • 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:

    1.58 mm

BQ27621YZFR-G1A 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 Learn Cycle feature to update the gauge's internal state-of-charge (SOC) estimates.
  • The maximum allowed voltage is 4.5V, which is the maximum rating for the device's input voltage. Exceeding this voltage may damage the device.
  • Use the SHDN pin to put the device into sleep mode when not in use. This reduces the quiescent current to less than 1uA, minimizing power consumption.
  • A 1uF to 10uF ceramic capacitor is recommended for the VCC pin to filter out noise and ensure stable operation.

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BQ27621YZFR-G1A 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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Part Image BQ27621YZFT-G1A Texas Instruments

Fixed, 1 Channel