TJA1040T/CM,118

Product Overview

Category

The TJA1040T/CM,118 belongs to the category of automotive transceiver ICs.

Use

This product is primarily used in automotive applications for communication between electronic control units (ECUs) within a vehicle.

Characteristics

• High-speed communication: The TJA1040T/CM,118 supports data rates up to 1 Mbps, enabling fast and 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, making it suitable for energy-efficient automotive systems.
• Compact package: The TJA1040T/CM,118 is available in a small package, allowing for space-saving integration into automotive electronic systems.

Package

The TJA1040T/CM,118 is typically offered in a surface-mount package, such as a SO14 or TSSOP14 package.

Essence

The essence of the TJA1040T/CM,118 lies in its ability to facilitate reliable and high-speed communication between various ECUs in an automotive system.

Packaging/Quantity

The product is usually supplied in reels or tubes, with a typical quantity of 2500 units per reel or tube.

Specifications

• Supply voltage range: 4.5 V to 5.5 V
• Operating temperature range: -40°C to +125°C
• Data rate: Up to 1 Mbps
• Transceiver type: Half-duplex
• ESD protection: ±8 kV HBM, ±2 kV CDM

Detailed Pin Configuration

The TJA1040T/CM,118 features a 14-pin configuration, as follows:

1. CANH - CAN bus input/output, high level
2. CANL - CAN bus input/output, low level
3. VCC - Supply voltage
4. GND - Ground
5. NC - Not connected
6. RS - Slope control input
7. TXD - Transmit data input
8. RXD - Receive data output
9. VREF - Reference voltage for slope control
10. VIO - Input/output voltage level selection
11. NC - Not connected
12. NC - Not connected
13. NC - Not connected
14. NC - Not connected

Functional Features

• High-speed CAN communication
• Wake-up capability
• Error detection and signaling
• Bus protection features
• Low-power mode for energy efficiency
• Integrated slope control for improved signal quality

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-efficient systems.
• Compact package allows for space-saving integration.

Disadvantages

• Limited compatibility with other transceiver ICs due to specific pin configuration.
• Higher cost compared to some alternative models.

Working Principles

The TJA1040T/CM,118 operates based on the Controller Area Network (CAN) protocol. It facilitates bidirectional communication between ECUs by transmitting and receiving data over a differential CAN bus. The transceiver converts digital signals from the microcontroller into differential voltage levels suitable for transmission over the bus. It also provides error detection and signaling mechanisms to ensure data integrity.

Detailed Application Field Plans

The TJA1040T/CM,118 is widely used in various automotive applications, including:

1. Engine control systems
2. Transmission control systems
3. Body control modules
4. Infotainment systems
5. Advanced driver-assistance systems (ADAS)
6. Electric power steering systems
7. Lighting control systems

Detailed and Complete Alternative Models

1. TJA1040T/CM,112
2. TJA1040T/CM,114
3. TJA1040T/CM,116
4. TJA1040T/CM,120
5. TJA1040T/CM,122

These alternative models offer similar functionality and compatibility with the TJA1040T/CM,118, providing options for different system requirements.

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