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L9679ETR - STMicroelectronics

Description: Automotive battery cut-off circuit and airbag system expansion IC

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L9679ETR - STMicroelectronics - PCB symbol
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PCB Footprints
L9679ETR - STMicroelectronics PCB footprint - Quad Flat Packages - Quad Flat Packages - TQFP48-1
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L9679ETR - STMicroelectronics - 3D model - Quad Flat Packages - TQFP48-1
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L9679ETR Details

  • Manufacturer Part Number:

    L9679ETR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TQFP-48

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    36 Weeks

  • Date Of Intro:

    2019-12-05

  • Manufacturer:

    STMicroelectronics

  • Consumer IC Type:

    CONSUMER CIRCUIT

  • JESD-30 Code:

    S-XQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

L9679ETR Frequently Asked Questions (FAQs)

  • A good PCB layout for the L9679ETR involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces to reduce EMI. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, a minimum of 10uF capacitance is recommended on the output.
  • The L9679ETR can handle a maximum input voltage of 28V, but it's recommended to keep the input voltage below 24V to ensure reliable operation and to prevent overheating.
  • The L9679ETR is rated for operation up to 150°C, but it's recommended to derate the output current and input voltage at high temperatures to prevent overheating and ensure reliable operation.
  • The L9679ETR has built-in overcurrent protection, but it's recommended to add external protection such as a fuse or a current-sensing resistor to prevent damage from excessive current. Additionally, ensure that the output is protected from short-circuit conditions.

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L9679ETR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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