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L9654TR - STMicroelectronics

Description: Quad squib driver and dual sensor interface ASIC for safety application

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L9654TR - STMicroelectronics - PCB symbol
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PCB Footprints
L9654TR - STMicroelectronics PCB footprint - Quad Flat Packages - Quad Flat Packages - 48 lqefp
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3D Models
L9654TR - STMicroelectronics - 3D model - Quad Flat Packages - 48 lqefp
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L9654TR Details

  • Manufacturer Part Number:

    L9654TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    LQFP-48

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Interface IC Type:

    INTERFACE CIRCUIT

  • JESD-30 Code:

    S-PQFP-G48

  • Length:

    7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    95 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Max:

    5.1 V

  • Supply Voltage-Min:

    4.9 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    NOT SPECIFIED

  • Width:

    7 mm

L9654TR Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a PCB layout with a large copper area connected to the thermal pad (exposed die attach) to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the copper area should be connected to a solid ground plane to reduce thermal resistance.
  • To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, including the maximum junction temperature (Tj) of 150°C. Additionally, consider using thermal management techniques such as heat sinks, thermal interfaces, and airflow to keep the device temperature within the recommended range.
  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 25V. A low-ESR ceramic capacitor (X5R or X7R dielectric) is recommended to minimize voltage ripple and ensure stable operation.
  • To troubleshoot issues with the L9654TR, start by verifying the input voltage, output voltage, and current. Check for proper PCB layout, thermal management, and component selection. Use oscilloscopes and thermal imaging cameras to identify potential issues. Consult the datasheet and application notes for guidance, and consider seeking support from STMicroelectronics or a qualified engineer.
  • Yes, the L9654TR is suitable for high-reliability and automotive applications. It meets the requirements of the AEC-Q100 standard for automotive-grade devices and is designed to operate in harsh environments. However, it's essential to follow the recommended operating conditions, and ensure that the device is properly qualified and validated for the specific application.

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L9654TR 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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