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L9945TR - STMicroelectronics

Description: Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems

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L9945TR - STMicroelectronics - PCB symbol
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PCB Footprints
L9945TR - STMicroelectronics PCB footprint - Quad Flat Packages - Quad Flat Packages - TQFP64_1
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3D Models
L9945TR - STMicroelectronics - 3D model - Quad Flat Packages - TQFP64_1
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L9945TR Details

  • Manufacturer Part Number:

    L9945TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TQFP-64

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    36 Weeks

  • Date Of Intro:

    2019-09-26

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • High Side Driver:

    YES

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    HALF BRIDGE BASED MOSFET DRIVER

  • JESD-30 Code:

    S-PQFP-G64

  • Length:

    10 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    STANDARD

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTFQFP

  • Package Equivalence Code:

    TQFP64,.47SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Screening Level:

    AEC-100; TS 16949

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    50 mA

  • Supply Voltage-Max:

    36 V

  • Supply Voltage-Min:

    3.8 V

  • Supply Voltage-Nom:

    8 V

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    NOT SPECIFIED

  • Turn-off Time:

    1.5 µs

  • Turn-on Time:

    1.5 µs

  • Width:

    10 mm

L9945TR Frequently Asked Questions (FAQs)

  • A good PCB layout for the L9945TR should include a solid ground plane, wide power traces, and a thermal relief pattern under the device to facilitate heat dissipation. A minimum of 2oz copper thickness is recommended.
  • To ensure proper configuration, carefully review the datasheet and application notes, and consult with STMicroelectronics' support resources if necessary. Pay close attention to pin configurations, voltage settings, and current limits.
  • Thermal management is critical for the L9945TR. Ensure good airflow, use a heat sink if necessary, and avoid blocking airflow around the device. Monitor junction temperature and adjust the design as needed to prevent overheating.
  • Yes, the L9945TR is suitable for high-reliability and safety-critical applications. However, it's essential to follow STMicroelectronics' guidelines and recommendations for these types of applications, and to consult with their support resources as needed.
  • To troubleshoot issues with the L9945TR, start by reviewing the datasheet and application notes, and checking for proper PCB layout, component selection, and configuration. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue.

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L9945TR Overview

Use the download button to access the L9945TR schematic symbol, PCB footprint, and 3D model.
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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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