TJA1042T/3,118 - English Editing Encyclopedia Entry

Product Overview

Category

The TJA1042T/3,118 belongs to the category of automotive transceivers.

Use

This product is primarily used in automotive applications for communication between electronic control units (ECUs) within a vehicle's network.

Characteristics

• Robust and reliable communication interface
• High-speed data transmission capability
• Low power consumption
• Designed for use in harsh automotive environments

Package

The TJA1042T/3,118 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to facilitate efficient and secure communication between various ECUs in an automotive network.

Packaging/Quantity

The TJA1042T/3,118 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 4.5V to 5.5V
• Operating temperature range: -40°C to +125°C
• Data rate: Up to 1 Mbps
• Transceiver type: CAN (Controller Area Network)
• Number of channels: 1
• ESD protection: ±8 kV HBM (Human Body Model)

Detailed Pin Configuration

The TJA1042T/3,118 features the following pin configuration:

1. VCC
2. GND
3. TXD
4. RXD
5. STB
6. EN
7. CANH
8. CANL

Functional Features

• High-speed differential bus communication
• Supports both standard and extended CAN frames
• Bus wake-up capability
• Error detection and fault confinement mechanisms
• Low electromagnetic emissions

Advantages and Disadvantages

Advantages

• Robust communication in harsh automotive environments
• Low power consumption
• High-speed data transmission
• ESD protection for enhanced reliability
• Supports both standard and extended CAN frames

Disadvantages

• Limited to a single channel
• Requires external components for complete functionality

Working Principles

The TJA1042T/3,118 operates based on the principles of the Controller Area Network (CAN) protocol. It enables reliable communication between ECUs by transmitting and receiving differential signals over a twisted pair of wires. The transceiver incorporates error detection and fault confinement mechanisms to ensure data integrity and system reliability.

Detailed Application Field Plans

The TJA1042T/3,118 is widely used in various automotive applications, including:

1. Body control modules
2. Engine control units
3. Transmission control units
4. Infotainment systems
5. Advanced driver-assistance systems (ADAS)
6. Electric vehicle powertrain systems

Detailed and Complete Alternative Models

1. TJA1042T/3,112 - Similar to TJA1042T/3,118 but with different pin configuration
2. TJA1042T/3,119 - Enhanced version with additional features
3. TJA1042T/3,120 - Lower power variant for energy-efficient applications

Note: This list is not exhaustive and there may be other alternative models available in the market.

In conclusion, the TJA1042T/3,118 is a robust automotive transceiver designed for efficient communication between ECUs in vehicles. Its high-speed data transmission capability, low power consumption, and reliability make it an ideal choice for various automotive applications.

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