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Name: NCV7344AMW3R2G
Brand: ON Semiconductor
SKU: NCV7344AMW3R2G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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ON Semiconductor NCV7344AMW3R2G

Part No.:: NCV7344AMW3R2G

Manufacturer:: ON Semiconductor

Package:: 8-VDFN Exposed Pad

Datasheet:: NCV7344AMW3R2G.pdf

Description:: IC TRANSCEIVER HALF 1/1 8DFNW

In Stock:: 3585

Quantity:: Add To Cart

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NCV7344AMW3R2G Specifications

Package/Case:
8-VDFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
Type:
Transceiver
Protocol:
CAN
NumberofDrivers/Receivers:
1/1
Duplex:
Half
ReceiverHysteresis:
-
DataRate:
5Mbps
Voltage-Supply:
4.75V ~ 5.25V
OperatingTemperature:
-40°C ~ 150°C
MountingType:
Surface Mount, Wettable Flank

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NCV7344AMW3R2G information

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NCV7344AMW3R2G Typical application Circuitry

NCV7344AMW3R2G

The NCV7344AMW3R2G is a high-speed CAN transceiver IC specifically designed for automotive applications, facilitating communication between devices in the vehicle's Controller Area Network (CAN). It is engineered to operate under the stringent conditions typical of automotive environments, providing reliable data transmission and reception while ensuring the system's integrity and security against various electrical disturbances.

Application Scenarios:

The NCV7344AMW3R2G is ideally suited for use in automotive electronic systems requiring robust and reliable communication channels. These include engine control units (ECUs), advanced driver-assistance systems (ADAS), infotainment systems, and vehicle body control modules. Its resilience and performance make it an integral component in modern vehicles' interconnected systems.

Parameter Features:

This device features differential transmit and receive capability for CAN communication, offering low electromagnetic emission (EME) and high electromagnetic immunity (EMI) to ensure stable operation in the electrically noisy automotive environment. Additionally, it supports a wide operating voltage range and is protected against transients, enhancing its reliability in various operating conditions.

Example Application Circuit - Engine Control Unit (ECU) Communication Interface:

- Power Supply Connection (VCC Pin): Connect the VCC pin to the vehicle's power supply, typically a 5V regulated source derived from the vehicle's 12V system. It's important to use a decoupling capacitor near this pin to filter out any supply noise, ensuring clean power to the NCV7344AMW3R2G.

- Ground Connection (GND Pin): Securely connect the GND pin to the vehicle's ground. A solid ground connection is crucial for the transceiver's proper operation, serving as a reference point for the transmitted and received signals.

- CAN High and CAN Low Connections (CANH and CANL Pins): The corresponding lines of the CAN bus network are connected to the CANH and CANL pins. These lines carry the differential signals that constitute the physical layer of CAN communication. Proper termination of these lines with a 120-ohm resistor at each end of the bus is essential to maintain signal integrity and minimize reflections.

- Transmit and Receive (TXD and RXD Pins): The TXD pin receives digital signals from the ECU's microcontroller intended for transmission over the CAN network. The RXD pin delivers received CAN messages to the microcontroller. Ensuring short, direct paths between these pins and the microcontroller minimizes the risk of signal degradation.

- Standby and Silent Modes (STB and RS Pins): The STB and RS pins control the transceiver's power states, allowing it to enter low-power modes when active communication isn't required. Connecting these to programmable outputs on the microcontroller enables dynamic management of the NCV7344AMW3R2G's power state, reducing overall energy consumption.

Design Considerations:

When designing a circuit with the NCV7344AMW3R2G, several key factors must be addressed:

- Electrical Protection: To protect the transceiver from voltage spikes and surges that are typical in automotive applications, include protection measures like transient voltage suppression (TVS) diodes on the CANH and CANL lines.

- Signal Integrity: Pay careful attention to the PCB layout, especially the trace routing for the CANH and CANL lines. Differential pairs should be matched in length and kept away from high-voltage or high-current traces to avoid interference.

- Power source Stability: Make sure the VCC pin has a steady and sufficiently filtered power source.

Voltage fluctuations can impact the performance and reliability of the CAN communication.

- Thermal Management: While the NCV7344AMW3R2G is designed for low power consumption, assessing the thermal aspects of its operation, especially in tightly packed electronic control units, is advisable to prevent overheating.

Integrating the NCV7344AMW3R2G into an automotive ECU requires careful consideration of these design aspects to achieve reliable and efficient communication over the CAN network. This transceiver's advanced features and protections make it an excellent choice for facilitating communication in sophisticated vehicle electronic systems, ensuring data integrity and system stability under demanding automotive conditions.

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

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