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BQ28Z610DRZT-R1 - Texas Instruments

Description: BQ28Z610-R1 Impedance Track Gas Gauge and Protection Solution for 1-Series to 2-Series Cell Li-Ion Battery Packs

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BQ28Z610DRZT-R1 - Texas Instruments - PCB symbol
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PCB Footprints
BQ28Z610DRZT-R1 - Texas Instruments PCB footprint - Other - Other - DRZ (S-PDSO-N12)
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BQ28Z610DRZT-R1 - Texas Instruments - 3D model - Other - DRZ (S-PDSO-N12)
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BQ28Z610DRZT-R1 Details

  • Manufacturer Part Number:

    BQ28Z610DRZT-R1

  • 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

  • Date Of Intro:

    2020-02-08

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    R-PDSO-N12

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC12,.1,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    26 V

  • Supply Voltage-Min (Vsup):

    2.2 V

  • Supply Voltage-Nom (Vsup):

    7.2 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    2.5 mm

BQ28Z610DRZT-R1 Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for accurate measurements. TI recommends a 4-layer PCB with a solid ground plane, and keeping the sense resistors close to the IC. Also, ensure that the high-current paths are separated from the low-current paths.
  • Calibration involves setting the correct full-scale capacity (QMAX) and empty voltage (VEMPTY) for your battery. Use the TI-provided calibration software or follow the application note (SLUA533) to determine these values for your specific battery chemistry.
  • When connecting multiple batteries in parallel, ensure that each battery has its own sense resistor and that the sense lines are connected to the BQ28Z610DRZT-R1. This allows the IC to accurately measure the total capacity and state of charge.
  • The BQ28Z610DRZT-R1 compensates for battery self-discharge and leakage by continuously monitoring the battery voltage and adjusting the state of charge accordingly. However, it's essential to consider the battery's self-discharge rate and leakage current when designing the system.
  • The BQ28Z610DRZT-R1 can accurately track up to 4,096 charge/discharge cycles. If your application requires more cycles, consider using an external counter or a more advanced fuel gauge IC.

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BQ28Z610DRZT-R1 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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