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TL2843BQDRQ1 - Texas Instruments

Description: Automotive Catalog High-Performance Current-Mode PWM Controller

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TL2843BQDRQ1 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G14)
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TL2843BQDRQ1 - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G14)
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TL2843BQDRQ1 Details

  • Manufacturer Part Number:

    TL2843BQDRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    12 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.05 V

  • Output Voltage-Min:

    4.95 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    17 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

TL2843BQDRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output traces short, using a solid ground plane, and minimizing noise coupling. Additionally, consider using a 4-layer PCB with a dedicated power plane and a separate ground plane.
  • To ensure stability, follow the recommended component values and PCB layout. Additionally, consider adding a small capacitor (e.g., 10nF) between the output and ground to improve stability. Also, make sure to decouple the input and output with suitable capacitors (e.g., 1uF) to prevent oscillations.
  • Although the datasheet specifies a maximum input voltage of 15V, it's recommended to limit the input voltage to 12V to ensure reliable operation and prevent damage to the device.
  • The output voltage ripple and noise can be calculated using the equations provided in the datasheet. However, it's essential to consider the input voltage ripple, output capacitor value, and switching frequency when calculating the output voltage ripple and noise.
  • The recommended output capacitor value is 10uF to 22uF, with a low ESR (Equivalent Series Resistance) value. A ceramic or tantalum capacitor with a voltage rating of 25V or higher is recommended. Avoid using electrolytic capacitors as they may not provide sufficient filtering.

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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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