TJA1055T/3/CM,118

Product Overview

Category

The TJA1055T/3/CM,118 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 data transmission: The TJA1055T/3/CM,118 supports high-speed communication up to 1 Mbps.
• 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, making it suitable for energy-efficient automotive systems.
• Compatibility: It is compatible with various automotive communication protocols such as CAN (Controller Area Network) and LIN (Local Interconnect Network).

Package

The TJA1055T/3/CM,118 is available in a compact package, ensuring easy integration into automotive electronic systems.

Essence

The essence of the TJA1055T/3/CM,118 lies in its ability to facilitate reliable and efficient communication between different ECUs in an automotive network.

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
• ESD protection: ±8 kV (HBM)
• Sleep mode current consumption: <10 µA

Detailed Pin Configuration

The TJA1055T/3/CM,118 features the following pin configuration:

1. VBAT: Battery supply voltage
2. VCC: Transceiver supply voltage
3. STB: Standby input
4. RXD: Receive data input
5. TXD: Transmit data output
6. CANH: CAN bus high
7. CANL: CAN bus low
8. GND: Ground

Functional Features

• Bus wake-up capability: The transceiver can detect activity on the bus and wake up the microcontroller from sleep mode.
• Error detection and reporting: It provides error detection mechanisms, such as frame check, CRC (Cyclic Redundancy Check), and error flag reporting.
• Low-power sleep mode: The TJA1055T/3/CM,118 supports a low-power sleep mode to conserve energy when the communication bus is inactive.
• Fail-safe operation: In case of a fault or disconnection, the transceiver ensures that the bus remains operational by switching to a safe state.

Advantages and Disadvantages

Advantages

• High-speed data transmission enables efficient communication between ECUs.
• Robust design ensures reliable operation in automotive environments.
• Low power consumption contributes to energy efficiency.
• Compatibility with various automotive communication protocols offers flexibility in system integration.

Disadvantages

• Limited compatibility with non-automotive applications.
• Relatively higher cost compared to standard transceivers.

Working Principles

The TJA1055T/3/CM,118 operates based on the principles of the CAN protocol. It receives and transmits data over the CAN bus using differential signaling. The transceiver converts the digital signals from the microcontroller into differential voltage levels suitable for transmission over the bus. It also performs error checking and reporting to ensure data integrity.

Detailed Application Field Plans

The TJA1055T/3/CM,118 finds extensive application in the automotive industry, including:

1. Automotive body control modules
2. Engine management systems
3. Transmission control units
4. Anti-lock braking systems (ABS)
5. Airbag control units
6. Infotainment systems

Detailed and Complete Alternative Models

1. TJA1040: A lower-speed alternative with a data rate of up to 125 kbps.
2. TJA1054: A similar transceiver with additional features like local and remote wake-up capability.
3. TJA1057: A high-speed transceiver with integrated voltage regulator and advanced diagnostic features.

These alternative models offer varying specifications and features, allowing for customization based on specific application requirements.

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