TJA1021T/10/C,112

Product Overview

Category

The TJA1021T/10/C,112 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

• High-speed communication: The TJA1021T/10/C,112 supports high-speed data transmission, enabling efficient communication between ECUs.
• Robustness: It is designed to withstand harsh automotive environments, including temperature variations, electromagnetic interference, and voltage fluctuations.
• Low power consumption: The transceiver operates with low power consumption, contributing to energy efficiency in automotive systems.

Package

The TJA1021T/10/C,112 is available in a compact package, suitable for integration into automotive electronic systems.

Essence

The essence of the TJA1021T/10/C,112 lies in its ability to facilitate reliable and efficient communication between various ECUs in an automotive environment.

Packaging/Quantity

The product is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 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)
• ESD protection: ±8 kV HBM (Human Body Model)

Detailed Pin Configuration

The TJA1021T/10/C,112 features the following pin configuration:

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

Functional Features

• Standby mode: The transceiver can be put into a low-power standby mode when not actively transmitting or receiving data.
• Error detection and reporting: It incorporates error detection mechanisms to identify and report communication errors within the CAN network.
• Wake-up capability: The TJA1021T/10/C,112 can be configured to wake up from standby mode upon receiving specific wake-up patterns on the bus.

Advantages and Disadvantages

Advantages

• High-speed communication enables efficient data transfer between ECUs.
• Robust design ensures reliable operation in automotive environments.
• Low power consumption contributes to energy efficiency.
• Error detection mechanisms enhance system reliability.

Disadvantages

• Limited compatibility: The TJA1021T/10/C,112 is specifically designed for automotive applications and may not be suitable for other industries.
• Cost: Automotive-grade components often come at a higher price point compared to standard electronic components.

Working Principles

The TJA1021T/10/C,112 operates based on the principles of the Controller Area Network (CAN) protocol. It utilizes differential signaling to transmit and receive data between ECUs. The transceiver converts digital signals from the microcontroller into differential voltage levels suitable for transmission over the CAN bus. It also performs signal conditioning and noise filtering to ensure reliable communication.

Detailed Application Field Plans

The TJA1021T/10/C,112 finds extensive application in various automotive systems, including:

1. Engine control units (ECUs)
2. Transmission control units
3. Body control modules
4. Anti-lock braking systems (ABS)
5. Airbag control units
6. Instrument clusters
7. Powertrain control modules

These are just a few examples, as the transceiver can be used in any automotive system that requires communication between ECUs.

Detailed and Complete Alternative Models

1. TJA1040: A CAN transceiver with similar specifications, suitable for automotive applications.
2. MCP2551: Another popular automotive-grade CAN transceiver offering high-speed communication and robustness.
3. SN65HVD230: A low-power CAN transceiver designed for automotive and industrial applications.

These alternative models provide similar functionality and can be considered as substitutes for the TJA1021T/10/C,112 in automotive systems.

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