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MC33978AES - NXP

Description: Interface - Specialized Switch Detection Interface, 22-switches, 3.3 V / 5.0 V SPI , QFN32

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Symbol
MC33978AES - NXP - PCB symbol
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PCB Footprints
MC33978AES - NXP PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - SOT617-19
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3D Models
MC33978AES - NXP - 3D model - Quad Flat No-Lead - SOT617-19
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MC33978AES Details

  • Manufacturer Part Number:

    MC33978AES

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    9

  • Interface IC Type:

    INTERFACE CIRCUIT

  • JESD-30 Code:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.9 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    40

  • Width:

    5 mm

MC33978AES Frequently Asked Questions (FAQs)

  • The maximum current rating of the MC33978AES is 5A per channel, with a maximum total current of 10A.
  • The MC33978AES can be configured for high-side or low-side switching by connecting the VCC pin to the desired voltage rail and configuring the EN pin accordingly. Refer to the application note AN4836 for more details.
  • The diagnostic pins (nD1 and nD2) provide fault detection and diagnostic information, such as overcurrent, overtemperature, and undervoltage detection. They can be used to implement fault-tolerant systems.
  • To ensure EMC with the MC33978AES, follow proper PCB layout guidelines, use a common mode choke, and add EMI filters as necessary. Refer to the application note AN4836 for more details.
  • The MC33978AES has a thermal pad that should be connected to a heat sink or a thermal interface material to ensure proper heat dissipation. A thermal management strategy should be implemented to keep the junction temperature below 150°C.

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MC33978AES Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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