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BQ24314CDSGT - Texas Instruments

Description: Overvoltage & Overcurrent Protection IC & Li+ Charger Front End Protection IC

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BQ24314CDSGT - Texas Instruments - PCB symbol
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PCB Footprints
BQ24314CDSGT - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DSG0008A _ 2021
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3D Models
BQ24314CDSGT - Texas Instruments - 3D model - Small Outline No-lead - DSG0008A _ 2021
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BQ24314CDSGT Details

  • Manufacturer Part Number:

    BQ24314CDSGT

  • 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) : 4.45 and 4.45

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • 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:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.08,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.6 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • 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

BQ24314CDSGT Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUAAC4, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The BQ24314CDSGT has an internal overvoltage protection (OVP) circuit that triggers when the input voltage exceeds 28V. To handle OVP during startup, ensure that the input voltage ramps up slowly (less than 10V/ms) to prevent false triggering. Additionally, add a soft-start circuit to limit the inrush current and prevent voltage spikes.
  • The maximum allowed voltage drop across the sense resistor (RSENSE) is 100mV. Exceeding this limit may cause inaccurate current sensing and affect the overall performance of the device. Ensure that the sense resistor value is chosen to maintain a voltage drop within this limit.
  • The BQ24314CDSGT is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. Ensure that the device is properly heatsinked and that the thermal management system is designed to keep the junction temperature below 125°C.
  • To troubleshoot issues with fault detection and reporting, use the fault flag pins (FAULT1 and FAULT2) to monitor the device's status. Check the fault detection thresholds and timing parameters to ensure they are set correctly. Also, verify that the fault reporting mechanism is properly configured and that the host controller is correctly interpreting the fault signals.

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BQ24314CDSGT 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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