TJA1042T/1J

Product Overview

Category

The TJA1042T/1J 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.

Characteristics

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

Package

The TJA1042T/1J is available in a small outline package (SOP) with 8 pins.

Essence

The essence of the TJA1042T/1J lies in its ability to provide a reliable and efficient communication link between various ECUs in an automotive system.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 5 V
• Operating temperature range: -40°C to +125°C
• Data rate: up to 1 Mbps
• ESD protection: ±4 kV HBM
• Sleep mode current consumption: <10 µA

Detailed Pin Configuration

The TJA1042T/1J has the following pin configuration:

1. CANH - CAN bus high-side connection
2. CANL - CAN bus low-side connection
3. VCC - Supply voltage
4. GND - Ground
5. STB - Standby input
6. RXD - Receive data input
7. TXD - Transmit data output
8. WAKE - Wake-up input

Functional Features

• High-speed CAN communication
• Bus wake-up capability
• Error detection and fault confinement
• Thermal protection
• Short-circuit protection

Advantages and Disadvantages

Advantages

• Robust design for automotive applications
• Low power consumption
• High-speed data transmission
• Reliable communication interface

Disadvantages

• Limited to automotive applications
• Requires external components for complete functionality

Working Principles

The TJA1042T/1J operates based on the Controller Area Network (CAN) protocol. It facilitates bidirectional communication between ECUs by transmitting and receiving data over a differential bus. The transceiver ensures reliable data transmission, error detection, and fault confinement.

Detailed Application Field Plans

The TJA1042T/1J is widely used in various automotive applications, including: - Engine control units - Transmission control units - Body control modules - Infotainment systems - Advanced driver-assistance systems (ADAS) - Electric vehicle control units

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the TJA1042T/1J are: - MCP2551 - SN65HVD230 - PCA82C250 - TLE7259-3GE

These models offer similar functionalities and are commonly used in automotive communication systems.

In conclusion, the TJA1042T/1J is a robust and reliable automotive transceiver designed for high-speed communication between ECUs. Its low power consumption, thermal protection, and fault confinement features make it an ideal choice for various automotive applications.