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L9942XP1 - STMicroelectronics

Description: Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile

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L9942XP1 - STMicroelectronics - PCB symbol
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PCB Footprints
L9942XP1 - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - PowerSSO-24
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3D Models
L9942XP1 - STMicroelectronics - 3D model - Small Outline Packages - PowerSSO-24
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L9942XP1 Details

  • Manufacturer Part Number:

    L9942XP1

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    ROHS COMPLIANT, SSOP-24

  • Pin Count:

    24

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • Analog IC - Other Type:

    STEPPER MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    10.3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Equivalence Code:

    SOP24,.4,32

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.45 mm

  • Supply Current-Max (Isup):

    20 mA

  • Supply Voltage-Max (Vsup):

    5.3 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

L9942XP1 Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 2-layer or 4-layer PCB with a solid ground plane and a thermal relief pattern under the IC to ensure optimal thermal performance.
  • To ensure EMC, use a shielded enclosure, keep the PCB layout compact, and use a common-mode choke or ferrite bead on the input lines. Additionally, follow the recommended layout guidelines and use a ground plane to minimize radiated emissions.
  • The maximum allowed voltage on the input pins is 40V, but it's recommended to keep it below 36V to ensure reliable operation and prevent damage to the IC.
  • Use an oscilloscope to monitor the input and output waveforms, check the voltage and current ratings, and verify the PCB layout and component values. Consult the datasheet and application notes for troubleshooting guidelines.
  • The L9942XP1 is rated for operation up to 150°C, but it's recommended to derate the output current and voltage at high temperatures to ensure reliable operation. Consult the datasheet for thermal derating guidelines.

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L9942XP1 Overview

Use the download button to access the L9942XP1 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like L9942, or try a keyword search, such as Motion Control Electronics

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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