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BQ27421YZFR-G1D - Texas Instruments

Description: Battery Management Fuel Gauge w/ Intg Sense Resistor

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BQ27421YZFR-G1D - Texas Instruments - PCB symbol
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BQ27421YZFR-G1D - Texas Instruments PCB footprint - BGA - BGA - YZF0009-CO1
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BQ27421YZFR-G1D - Texas Instruments - 3D model - BGA - YZF0009-CO1
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BQ27421YZFR-G1D Details

  • Manufacturer Part Number:

    BQ27421YZFR-G1D

  • 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-B9

  • JESD-609 Code:

    e1

  • Length:

    1.62 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:

    PLASTIC/EPOXY

  • 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 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

BQ27421YZFR-G1D Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA533, which includes guidelines for component placement, routing, and thermal management to ensure accurate fuel gauging.
  • The BQ27421YZFR-G1D requires calibration to ensure accurate fuel gauging. The calibration process involves learning the battery's characteristics, such as capacity and internal resistance. Texas Instruments provides a calibration guide in the application note SLUA534, which outlines the procedures for calibration.
  • The BQ27421YZFR-G1D is designed to support up to 2 batteries in series. However, it's recommended to consult with Texas Instruments' support team for custom configurations or specific use cases.
  • The BQ27421YZFR-G1D provides battery health monitoring by tracking parameters such as capacity, internal resistance, and cycle count. The device also provides indicators of battery health, including state-of-charge (SOC), state-of-health (SOH), and state-of-function (SOF).
  • The BQ27421YZFR-G1D uses the I2C communication protocol to interface with the host controller. The device operates as a slave device and responds to I2C commands from the host controller.

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BQ27421YZFR-G1D Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BQ274, 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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Part Image BQ27421YZFT-G1D Texas Instruments

Fixed, 1 Channel, PBGA9