TJA1054AT,512

Product Overview

Category

The TJA1054AT,512 belongs to the category of transceiver integrated circuits.

Use

This product is primarily used for communication purposes in automotive applications.

Characteristics

• Transceiver type: Integrated circuit
• Communication protocol: CAN (Controller Area Network)
• Operating voltage range: 4.5V to 5.5V
• Temperature range: -40°C to +125°C
• High-speed data transmission capability
• Low power consumption

Package

The TJA1054AT,512 is available in a small outline package (SO8) with eight pins.

Essence

The essence of this product lies in its ability to facilitate reliable and efficient communication within automotive systems using the CAN protocol.

Packaging/Quantity

The TJA1054AT,512 is typically packaged in reels containing a quantity of 2500 units.

Specifications

• Supply voltage: 4.5V to 5.5V
• Supply current: 5mA (typical)
• Data rate: Up to 1 Mbps
• Transmitting output voltage: 0 to VCC
• Receiving input voltage: -12V to 12V
• ESD protection: ±8kV (HBM)

Detailed Pin Configuration

The TJA1054AT,512 has the following pin configuration:

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

Functional Features

• High-speed data transmission: The TJA1054AT,512 supports data rates of up to 1 Mbps, enabling fast and efficient communication.
• Standby mode: The STB pin allows the device to enter a low-power standby mode when not in use, reducing power consumption.
• ESD protection: The integrated circuit provides electrostatic discharge (ESD) protection of ±8kV, ensuring robustness against external electrical disturbances.

Advantages and Disadvantages

Advantages

• Reliable communication: The TJA1054AT,512 ensures reliable data transmission within automotive systems, enhancing overall system performance.
• Low power consumption: The device operates with low power consumption, contributing to energy efficiency in automotive applications.
• ESD protection: The built-in ESD protection safeguards the transceiver from potential damage caused by electrostatic discharge.

Disadvantages

• Limited voltage range: The TJA1054AT,512 has a restricted operating voltage range of 4.5V to 5.5V, which may limit its compatibility with certain systems requiring different voltage levels.

Working Principles

The TJA1054AT,512 functions as a transceiver for the CAN protocol. It receives and transmits data over the CAN bus, facilitating communication between various electronic control units (ECUs) in automotive systems. The transceiver converts digital signals into differential voltage levels suitable for transmission over the CAN bus.

Detailed Application Field Plans

The TJA1054AT,512 is widely used in automotive applications, including:

1. Vehicle diagnostics: The transceiver enables communication between diagnostic tools and ECUs, facilitating vehicle diagnostics and troubleshooting.
2. Body control modules: It facilitates communication between various body control modules, allowing seamless integration and control of features such as lighting, door locks, and window controls.
3. Engine management systems: The TJA1054AT,512 enables communication between engine control units (ECUs), ensuring efficient coordination and control of engine-related functions.
4. Infotainment systems: It supports communication between infotainment modules, enabling features such as audio playback, navigation, and connectivity.

Detailed and Complete Alternative Models

1. TJA1040: This transceiver offers similar functionality to the TJA1054AT,512 but operates at a lower data rate of up to 125 kbps.
2. TJA1055: This transceiver provides enhanced features such as wake-up capability and fault-tolerant CAN bus operation.
3. MCP2551: A popular alternative from Microchip, offering compatibility with both 5V and 3.3V systems.

In conclusion, the TJA1054AT,512 is a transceiver integrated circuit designed for automotive applications using the CAN protocol. It enables reliable and efficient communication between various ECUs, contributing to the overall performance and functionality of automotive systems.