TJA1040T/N1,118

Product Overview

Category

The TJA1040T/N1,118 belongs to the category of transceiver integrated circuits.

Use

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

Characteristics

• Transceiver IC designed for automotive applications
• Supports high-speed CAN (Controller Area Network) communication protocol
• Provides reliable and efficient data transmission between ECUs
• Operates in a wide temperature range (-40°C to +125°C)
• Low power consumption for energy efficiency

Package

The TJA1040T/N1,118 is available in a small outline package (SOP) with 8 pins.

Essence

The essence of this product lies in its ability to facilitate seamless communication between various ECUs in an automotive system, ensuring efficient and reliable data transfer.

Packaging/Quantity

The TJA1040T/N1,118 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 4.5V to 5.5V
• Data rate: Up to 1 Mbps
• Operating temperature range: -40°C to +125°C
• Standby current: 10 µA (typical)
• Transmitting current: 100 mA (typical)
• Receiving current: 50 mA (typical)

Detailed Pin Configuration

The TJA1040T/N1,118 features the following pin configuration:

1. VCC - Power supply voltage
2. GND - Ground reference
3. TXD - Transmit data line
4. RXD - Receive data line
5. CANH - High-level CAN bus line
6. CANL - Low-level CAN bus line
7. SLP - Sleep mode control
8. VREF - Reference voltage for bus line

Functional Features

• High-speed data transmission: The TJA1040T/N1,118 supports data rates of up to 1 Mbps, enabling fast and efficient communication between ECUs.
• Fault-tolerant communication: This transceiver IC incorporates advanced error detection and correction mechanisms, ensuring reliable data transfer even in noisy automotive environments.
• Sleep mode functionality: The SLP pin allows the device to enter a low-power sleep mode when not actively transmitting or receiving data, contributing to overall energy efficiency.

Advantages and Disadvantages

Advantages

• Robust and reliable communication in automotive applications
• Wide operating temperature range suitable for harsh environments
• Low power consumption for energy-efficient operation
• Compact package size for space-constrained designs

Disadvantages

• Limited compatibility with non-automotive CAN systems
• Relatively higher cost compared to standard transceivers

Working Principles

The TJA1040T/N1,118 operates based on the CAN protocol, which utilizes differential signaling over two wires (CANH and CANL). It employs a combination of voltage levels and bit timing to transmit and receive data between ECUs. The transceiver ensures proper signal conditioning, noise suppression, and error detection to maintain reliable communication.

Detailed Application Field Plans

The TJA1040T/N1,118 is widely used in various automotive applications, including:

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

Detailed and Complete Alternative Models

1. TJA1040T/CM,118
2. TJA1040T/VM,118
3. TJA1040T/SM,118
4. TJA1040T/WM,118

These alternative models offer similar functionality and compatibility with the TJA1040T/N1,118, providing options for different design requirements.

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