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MC34978EK - NXP

Description: Multiple Switch Detection Interface Automotive 32-Pin SOIC W EP Tube

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Symbol
MC34978EK - NXP - PCB symbol
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PCB Footprints
MC34978EK - NXP PCB footprint - Small Outline Packages - Small Outline Packages - 32-PIN SOIC
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3D Models
MC34978EK - NXP - 3D model - Small Outline Packages - 32-PIN SOIC
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MC34978EK Details

  • Manufacturer Part Number:

    MC34978EK

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    39 Weeks

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Interface IC Type:

    INTERFACE CIRCUIT

  • JESD-30 Code:

    R-PDSO-G32

  • JESD-609 Code:

    e3

  • Length:

    11 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP32,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2.45 mm

  • Supply Voltage-Max:

    5.25 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    7.5 mm

MC34978EK Frequently Asked Questions (FAQs)

  • NXP provides a recommended PCB layout in the MC34978EK application note (AN4868) that includes thermal vias, thermal pads, and heat sink recommendations to ensure optimal thermal performance.
  • The MC34978EK has a low-power mode that can be enabled by setting the EN pin low. Additionally, the device can be configured for low-power mode by programming the registers to reduce the operating frequency and disable unnecessary features.
  • The maximum current rating for the output stages of the MC34978EK is 1.5A per channel. However, the actual current rating may be limited by the PCB design, thermal considerations, and other system-level factors.
  • To troubleshoot I2C interface issues, check the I2C bus voltage levels, clock frequency, and signal integrity. Ensure that the I2C bus is properly terminated, and the slave address is correctly configured. Use an I2C bus analyzer or a logic analyzer to debug the communication.
  • NXP recommends using ESD protection devices such as TVS diodes or ESD arrays on the I/O lines to protect the MC34978EK from electrostatic discharge. The recommended ESD protection devices are listed in the MC34978EK datasheet.

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MC34978EK 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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