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L9949 - STMicroelectronics

Description: Door actuator driver, IC DRIVER DOOR ACTUATOR PWRSO-20

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L9949 - STMicroelectronics - PCB symbol
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PCB Footprints
L9949 - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - PowerSO-20-1
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L9949 - STMicroelectronics - 3D model - Small Outline Packages - PowerSO-20-1
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L9949 Details

  • Manufacturer Part Number:

    L9949

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Package Description:

    POWER, SO-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    52 Weeks

  • Date Of Intro:

    1980-01-04

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    3

  • Analog IC - Other Type:

    DOOR MODULE DRIVERS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    15.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    3

  • Number of Terminals:

    20

  • Output Current-Max:

    10 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.56

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.6 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BCDMOS

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    11 mm

L9949 Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4996, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and thermal dissipation.
  • The selection of the inductor depends on the specific application requirements, such as output voltage, current, and switching frequency. STMicroelectronics provides a list of recommended inductors in the datasheet, and also offers an inductor selection tool on their website to help with the selection process.
  • The maximum junction temperature of the L9949 is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C to ensure reliable operation and long-term reliability.
  • Yes, the L9949 is designed to operate in high-temperature environments, with a maximum operating temperature range of -40°C to 150°C. However, the device's performance and reliability may be affected at extreme temperatures, and additional thermal management may be required.
  • STMicroelectronics provides a troubleshooting guide in the application note AN4996, which covers common issues and their solutions, such as output voltage regulation, current limiting, and thermal shutdown. Additionally, the datasheet provides a list of possible faults and their corresponding fault flags.

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L9949 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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