TJA1050T/CM,118

Product Overview

Category

The TJA1050T/CM,118 belongs to the category of automotive transceiver ICs.

Use

This product is primarily used for communication in automotive applications, specifically in Controller Area Network (CAN) systems.

Characteristics

• High-speed data transmission: The TJA1050T/CM,118 supports data rates up to 1 Mbps, enabling fast and efficient communication.
• Robustness: It is designed to withstand harsh automotive environments, ensuring reliable operation even in challenging conditions.
• Low power consumption: The IC is optimized for low power consumption, making it suitable for energy-efficient automotive systems.
• ESD protection: The TJA1050T/CM,118 incorporates Electrostatic Discharge (ESD) protection, safeguarding against potential damage from electrostatic discharge events.

Package

The TJA1050T/CM,118 is available in a compact surface-mount package, allowing for easy integration into automotive electronic systems.

Essence

As an automotive transceiver IC, the TJA1050T/CM,118 serves as a crucial component in enabling communication between various electronic control units within a vehicle. It facilitates the exchange of data over the CAN bus, enabling seamless interaction between different automotive systems.

Packaging/Quantity

The TJA1050T/CM,118 is typically supplied in reels or tubes, with a standard 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
• Transmitting output voltage: 0V to VCC
• Receiving input voltage: -12V to +12V
• Standby current: <1µA

Detailed Pin Configuration

The TJA1050T/CM,118 features the following pin configuration:

1. VCC: Power supply voltage
2. GND: Ground reference
3. TXD: Transmit data input
4. RXD: Receive data output
5. CANH: CAN bus high-level input/output
6. CANL: CAN bus low-level input/output
7. STB: Standby mode control
8. VREF: Reference voltage for bus line

Functional Features

• High-speed CAN communication: The TJA1050T/CM,118 enables reliable and efficient communication between different automotive systems at data rates up to 1 Mbps.
• Bus fault protection: It incorporates various protective features to detect and handle bus faults, ensuring the integrity of the communication system.
• Wake-up capability: The IC supports wake-up functionality, allowing it to enter a low-power state and wake up upon receiving specific signals.
• Error detection and reporting: The TJA1050T/CM,118 includes error detection mechanisms to identify and report any transmission errors, enhancing the overall reliability of the system.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robustness in harsh automotive environments
• Low power consumption
• ESD protection for enhanced durability

Disadvantages

• Limited compatibility with non-automotive applications
• Relatively higher cost compared to standard transceiver ICs

Working Principles

The TJA1050T/CM,118 operates based on the principles of the Controller Area Network (CAN) protocol. It acts as an interface between the microcontroller and the CAN bus, facilitating bidirectional communication. The IC converts the digital signals from the microcontroller into differential voltage levels suitable for transmission over the CAN bus. Similarly, it receives differential signals from the bus and converts them into digital signals for the microcontroller to process.

Detailed Application Field Plans

The TJA1050T/CM,118 finds extensive application in various automotive systems, including:

1. Engine control units
2. Transmission control units
3. Body control modules
4. Anti-lock braking systems
5. Airbag control units
6. Instrument clusters
7. Infotainment systems
8. Advanced driver-assistance systems (ADAS)

Its robustness, high-speed communication capabilities, and compatibility with the CAN protocol make it an ideal choice for these applications.

Detailed and Complete Alternative Models

1. MCP2551: A popular alternative offering similar functionality and compatibility with the CAN protocol.
2. SN65HVD230: Another alternative with robust features suitable for automotive applications.
3. PCA82C250: An alternative transceiver IC known for its reliability and low power consumption.

These alternative models provide comparable performance and can be considered as substitutes for the TJA1050T/CM,118 based on specific application requirements.

In conclusion, the TJA1050T/CM,118 is a high-speed automotive transceiver IC designed for reliable communication in Controller Area Network (