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BQ24311DSGR - Texas Instruments

Description: Overvoltage and Overcurrent Protection Li+ Charger Front-end Protection IC

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PCB Footprints
BQ24311DSGR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSG0008A  _ 2021
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3D Models
BQ24311DSGR - Texas Instruments  - 3D model - Small Outline No-lead - DSG0008A  _ 2021
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BQ24311DSGR Details

  • Manufacturer Part Number:

    BQ24311DSGR

  • 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) : 4.35 and 4.35

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    OVERVOLTAGE DETECTOR

  • Input Voltage-Max:

    30 V

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.5 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +2.7V

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

    30

  • Width:

    2 mm

BQ24311DSGR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat.
  • Use a sense resistor (Rs) with a low tolerance (e.g., 1%) and ensure the PCB trace resistance is minimal. Also, consider using a dedicated overcurrent protection IC for more accurate sensing.
  • The BQ24311DSGR is rated for operation up to 105°C ambient temperature. However, for reliable operation, it's recommended to keep the ambient temperature below 85°C to ensure optimal performance and longevity.
  • Yes, but ensure the PCB is properly secured and the components are properly soldered. Consider using a vibration-resistant mounting method, such as a screw-down or adhesive-based mounting, to minimize the risk of component detachment.
  • Use a logic analyzer or oscilloscope to monitor the IC's pins and verify the input/output signals. Check the power supply, sense resistor, and PCB layout for any issues. Consult the datasheet and application notes for troubleshooting guides.

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BQ24311DSGR 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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