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BQ29209TDRBRQ1 - Texas Instruments

Description: Automotive Voltage Protection with Automatic Cell Balance For 2-Cell Li-Ion Batteries, OVP=4.30V

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BQ29209TDRBRQ1 - Texas Instruments - PCB symbol
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BQ29209TDRBRQ1 - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DRB0008B
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BQ29209TDRBRQ1 - Texas Instruments - 3D model - Small Outline No-lead - DRB0008B
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BQ29209TDRBRQ1 Details

  • Manufacturer Part Number:

    BQ29209TDRBRQ1

  • 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:

    Battery over-voltage protection(Min/Max)(V) : 4.3 and 4.3

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • Input Voltage-Max:

    16 V

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.12,25

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    0.006 mA

  • Supply Voltage-Max (Vsup):

    10 V

  • Supply Voltage-Min (Vsup):

    4 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:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

BQ29209TDRBRQ1 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 analog and digital grounds separate. Also, keep the sense resistors close to the IC and use a Kelvin connection to minimize errors.
  • Calibration involves adjusting the gain and offset of the IC to match your battery's characteristics. TI provides a calibration procedure in the datasheet, which involves measuring the battery voltage and current at different states of charge and adjusting the gain and offset accordingly.
  • The BQ29209TDRBRQ1 has a maximum voltage rating of 45V, but it's recommended to operate it within 36V to ensure accurate measurements and prevent damage to the IC.
  • Yes, the BQ29209TDRBRQ1 can be used with a lithium-ion battery pack that has a built-in protection circuit. However, you'll need to ensure that the protection circuit doesn't interfere with the IC's measurements, and that the IC's output doesn't conflict with the protection circuit's functionality.
  • The BQ29209TDRBRQ1 provides a temperature measurement output in the form of a voltage signal. You can use an ADC to convert this signal to a digital value, and then use a lookup table or a thermistor model to convert the voltage to a temperature value in Celsius or Fahrenheit.

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BQ29209TDRBRQ1 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 BQ29209TDRBTQ1 Texas Instruments

Fixed, 1 Channel, PDSO8