TJA1041AT,518

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver for Controller Area Network (CAN) bus communication
• Characteristics:
  • High-speed data transmission
  • Robustness and reliability in harsh environments
  • Low power consumption
• Package: SO8 (Small Outline 8-pin package)
• Essence: Facilitates communication between microcontrollers in automotive applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 4.5V to 5.5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +125°C
• ESD Protection: ±2 kV HBM (Human Body Model)
• Current Consumption:
  • Standby Mode: 10 µA
  • Normal Operation: 50 mA (typical)

Detailed Pin Configuration

The TJA1041AT,518 IC has the following pin configuration:

__ __ | 1 8 | --| |-- | 2 7 | --| |-- | 3 6 | --| |-- | 4 5 | |__ __|

Pin Description: 1. VCC: Power supply voltage input 2. CANH: CAN bus high-level input/output 3. CANL: CAN bus low-level input/output 4. GND: Ground reference 5. NC: Not connected 6. NC: Not connected 7. NC: Not connected 8. VREF: Reference voltage output for external transceiver

Functional Features

• Supports both CAN 2.0A and CAN 2.0B protocols
• Implements differential signaling for noise immunity
• Provides fault-tolerant features for error detection and recovery
• Supports wake-up functionality for low-power applications
• Offers bus failure detection and reporting capabilities

Advantages and Disadvantages

Advantages: - High-speed data transmission enables efficient communication - Robustness and reliability make it suitable for automotive applications - Low power consumption helps in energy-efficient designs

Disadvantages: - Limited pin configuration options may restrict certain system designs - Requires external components for complete CAN bus implementation

Working Principles

The TJA1041AT,518 is a transceiver IC designed to facilitate communication between microcontrollers using the Controller Area Network (CAN) bus protocol. It operates by converting the digital signals from the microcontroller into differential voltage levels on the CANH and CANL lines. These differential signals provide noise immunity and allow for reliable data transmission over long distances. The transceiver also incorporates fault-tolerant features to detect and recover from errors in the communication.

Detailed Application Field Plans

The TJA1041AT,518 is primarily used in automotive applications where reliable and robust communication between microcontrollers is essential. Some specific application areas include:

1. Automotive Control Systems: Enables communication between various control units in vehicles, such as engine management systems, anti-lock braking systems, and airbag control modules.
2. Body Electronics: Facilitates communication between different electronic modules responsible for functions like central locking, window control, and lighting control.
3. Infotainment Systems: Allows microcontrollers to exchange data for audio/video systems, navigation systems, and connectivity features in modern vehicles.
4. Electric Vehicle (EV) Systems: Supports communication between EV-specific control units, including battery management systems, motor controllers, and charging infrastructure.

Detailed and Complete Alternative Models

1. TJA1040: Similar transceiver IC with lower operating temperature range (-40°C to +85°C).
2. TJA1042: Enhanced version with additional features like local and remote wake-up capability.
3. TJA1043: Transceiver IC designed for high-speed CAN FD (Flexible Data Rate) communication.

These alternative models offer similar functionality to the TJA1041AT,518 and can be considered based on specific application requirements.

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