TJA1020T/N1,112

Product Overview

Category

The TJA1020T/N1,112 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 TJA1020T/N1,112 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 TJA1020T/N1,112 is available in a compact package, suitable for integration into automotive electronic systems.

Essence

The essence of the TJA1020T/N1,112 lies in its ability to facilitate reliable and efficient communication between various ECUs in an automotive network.

Packaging/Quantity

The transceiver is typically packaged in reels or tubes, with varying quantities depending on customer requirements.

Specifications

• Supply voltage range: 4.5V to 5.5V
• Operating temperature range: -40°C to +125°C
• Data rate: Up to 1 Mbit/s
• ESD protection: ±8 kV HBM, ±2 kV CDM

Detailed Pin Configuration

The TJA1020T/N1,112 features the following pin configuration:

1. VBAT: Battery supply voltage
2. CANH: CAN bus high-level input/output
3. CANL: CAN bus low-level input/output
4. GND: Ground connection
5. STB: Standby mode control
6. RXD: Receive data input
7. TXD: Transmit data output
8. VIO: IO supply voltage

Functional Features

• Standby mode: The transceiver supports a low-power standby mode, reducing power consumption when not actively transmitting or receiving data.
• Error detection and reporting: It incorporates error detection mechanisms to identify and report transmission errors, ensuring data integrity.
• Wake-up capability: The TJA1020T/N1,112 can be configured to wake up from standby mode upon receiving specific wake-up patterns on the CAN bus.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited compatibility: The TJA1020T/N1,112 is specifically designed for automotive applications and may not be suitable for other industries.

Working Principles

The TJA1020T/N1,112 operates based on the Controller Area Network (CAN) protocol. It facilitates bidirectional communication between ECUs by converting digital signals into differential voltage levels on the CAN bus. This allows multiple ECUs to transmit and receive data simultaneously, enabling efficient information exchange within the vehicle's network.

Detailed Application Field Plans

The TJA1020T/N1,112 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

Detailed and Complete Alternative Models

1. TJA1040T/CM,118
2. MCP2551-I/SN
3. SN65HVD230DR
4. PCA82C251T/YM,118
5. MAX3051ESA+

These alternative models offer similar functionality and compatibility with automotive communication systems.

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