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L99ASC03TR - STMicroelectronics

Description: Brushless / sensorless 3-phase motor pre-driver for automotive applications

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L99ASC03TR - STMicroelectronics - PCB symbol
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L99ASC03TR - STMicroelectronics PCB footprint - Quad Flat Packages - Quad Flat Packages - L99ASC03GTR
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L99ASC03TR - STMicroelectronics - 3D model - Quad Flat Packages - L99ASC03GTR
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L99ASC03TR Details

  • Manufacturer Part Number:

    L99ASC03TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-48

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    28 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    3

  • Analog IC - Other Type:

    3-PHASE BRUSHLESS DC MOTOR CONTROLLER

  • JESD-30 Code:

    S-PQFP-G48

  • Length:

    7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Output Current-Max:

    0.3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTFQFP

  • Package Shape:

    SQUARE

  • Package Style:

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

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    6 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

L99ASC03TR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital sections separate, and use a common mode filter to reduce EMI.
  • Follow the calibration procedure outlined in the datasheet, which involves connecting the device to a known voltage source and adjusting the internal calibration registers accordingly.
  • The L99ASC03TR can operate from -40°C to 125°C, but the accuracy of the measurements may degrade at extreme temperatures. Ensure proper thermal management and heat dissipation to maintain accuracy.
  • Yes, the L99ASC03TR has a low power consumption of 1.5mA (typical) and can be used in battery-powered devices. However, consider using a low-power mode or power gating to minimize power consumption.
  • The L99ASC03TR communicates via an SPI interface. Connect the SCK, MOSI, and MISO pins to the microcontroller's SPI pins, and use a level shifter if necessary. Ensure proper signal integrity and noise reduction measures.

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L99ASC03TR 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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