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L6788A - STMicroelectronics

Description: 3-phase controller with embedded drivers for the next GPU generation

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L6788A - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - VFQFPN40_2025
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L6788A - STMicroelectronics  - 3D model - Quad Flat No-Lead - VFQFPN40_2025
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L6788A Details

  • Manufacturer Part Number:

    L6788A

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    6 X 6 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFN-40

  • Pin Count:

    40

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • Control Mode:

    VOLTAGE-MODE

  • JESD-30 Code:

    S-XQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    13.2 V

  • Supply Voltage-Min (Vsup):

    10.8 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switching Frequency-Max:

    800 kHz

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

L6788A Frequently Asked Questions (FAQs)

  • The maximum output current of the L6788A is 2A per channel, but it can be limited by the external components and the thermal design of the application.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor value recommended in the datasheet, and then adjust it based on the specific requirements of your application.
  • The bootstrap capacitor (CBOOT) is used to generate the high-side gate drive voltage for the internal power MOSFET. It is charged through the internal diode and discharged through the power MOSFET during the switching cycle.
  • To ensure stability, make sure to follow the recommended layout and component selection guidelines in the datasheet, and also consider the input and output voltage ripple, and the switching frequency.
  • Yes, the L6788A can be used in a synchronous rectification configuration, but it requires an external synchronous rectifier MOSFET and a suitable gate drive circuit.

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L6788A 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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