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Name: MC33978AEKR2
Brand: NXP USA Inc.
SKU: MC33978AEKR2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. MC33978AEKR2

Part No.:: MC33978AEKR2

Manufacturer:: NXP USA Inc.

Package:: 32-SSOP (0.295, 7.50mm Width) Exposed Pad

Datasheet:: MC33978AEKR2.pdf

Description:: IC INTERFACE SPECIALIZED 32SOIC

In Stock:: 2378

Quantity:: Add To Cart

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MC33978AEKR2 Specifications

Package/Case:
32-SSOP (0.295, 7.50mm Width) Exposed Pad
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Applications:
Multiple Switch Detection
Interface:
SPI
Voltage-Supply:
3V ~ 5.25V

MC33978AEKR2 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MC33978AEKR2 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MC33978AEKR2 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MC33978AEKR2 information

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MC33978AEKR2 Typical application Circuitry

MC33978AEKR2

The MC33978AEKR2 is part of a series of switch detection interface (SDI) chips widely utilized in automotive applications. It is designed to interface directly with the vehicle's switch inputs, offering enhanced features like switch status detection and wetting current control. This chip plays a vital role in automotive electronic systems by enabling efficient monitoring and control of various switch states.

1. Power Supply Connections: The MC33978AEKR2 requires a stable power supply. Attach the VSS pin to the ground and the VDD pin to a 5V supply. Ensure power stability with a bypass capacitor near these pins.

2. Switch Input Connections: Each of the switch input pins (Sx) on the MC33978AEKR2 is designed to connect directly to different switches in the vehicle. These pins detect the open or closed status of each switch.

3. Serial Communication Interface: The chip's SO, SI, and SCLK pins are for serial communication, typically with a microcontroller. SO is the serial output, SI is the serial input, and SCLK is the serial clock input.

4. Interrupt and Enable Pins: The IRQ pin is an interrupt output used to signal the microcontroller about status changes. The CS pin is a chip select input, enabling or disabling the chip's communication interface.

5. Additional Features: Pins like WAKE and MODE are used for advanced functionalities such as waking up the chip from a low power state and selecting operational modes.

6. Multiple Switch Inputs: The MC33978AEKR2 can handle numerous switch inputs, making it highly versatile for different automotive applications.

7. Robust Design: Designed to withstand the harsh conditions of automotive environments, it features protection against overvoltage and under-voltage conditions.

8. Diagnostic Capabilities: The chip includes diagnostic functions for detecting open and short circuits, enhancing the reliability of the switch monitoring system.

9. Low Power Consumption: It has a low power consumption mode, which is crucial for reducing the overall power usage in automotive electronic systems.

In conclusion, the MC33978AEKR2 is a sophisticated and robust SDI chip, essential for modern automotive systems. It offers efficient monitoring of switch states and integrates advanced diagnostic capabilities. Accurate circuit connection and proper utilization of each pin of the MC33978AEKR2 are crucial for leveraging its full potential in automotive electronic systems.

MC33978AEKR2 FAQ

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3. Are the MC33978AEKR2 price and inventory displayed accurate?

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6. What is the process for return or replacement of MC33978AEKR2?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MC33978AEKR2 we delivered, we will accept the replacement or return of the MC33978AEKR2 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MC33978AEKR2.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations