TLE7259GNT - English Editing Encyclopedia Entry

Product Overview

Category

The TLE7259GNT belongs to the category of integrated circuits (ICs) specifically designed for automotive applications.

Use

This IC is primarily used for communication purposes in automotive systems, enabling reliable data transmission between various electronic control units (ECUs).

Characteristics

• High-speed communication: The TLE7259GNT supports high-speed data transfer rates, ensuring 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 IC is optimized for low power consumption, making it suitable for energy-efficient automotive systems.

Package and Quantity

The TLE7259GNT is available in a small outline package (SOP) with a specified quantity per reel. Please refer to the manufacturer's datasheet for detailed packaging information.

Specifications

• Supply voltage range: 4.5V to 5.5V
• Operating temperature range: -40°C to +125°C
• Data rate: Up to 1 Mbps
• Number of channels: 1
• ESD protection: ±8 kV HBM

Pin Configuration

The TLE7259GNT features a specific pin configuration that facilitates its integration into automotive systems. The following table provides a detailed pinout description:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground reference | | 3 | TXD | Transmit data input | | 4 | RXD | Receive data output | | 5 | EN | Enable input | | 6 | WAKE | Wake-up input | | 7 | CANL | CAN low-level input/output | | 8 | CANH | CAN high-level input/output |

Functional Features

The TLE7259GNT offers several functional features that enhance its performance in automotive communication systems:

1. High-speed CAN communication: The IC supports the Controller Area Network (CAN) protocol, enabling reliable and efficient data transmission between ECUs.
2. Bus wake-up capability: The TLE7259GNT can detect bus activity and automatically wake up the system, reducing power consumption during idle periods.
3. Error detection and reporting: It incorporates error detection mechanisms, such as frame check sequence (FCS), to ensure data integrity and provide error status information.

Advantages and Disadvantages

Advantages

• High-speed communication enables fast and efficient data transfer.
• Robust design ensures reliability in harsh automotive environments.
• Low power consumption contributes to energy-efficient systems.
• Error detection mechanisms enhance data integrity.

Disadvantages

• Limited number of channels (1 channel per IC).
• Requires additional external components for complete system integration.

Working Principles

The TLE7259GNT operates based on the CAN protocol, which utilizes differential signaling for noise immunity. It receives data from the transmitting ECU through the TXD pin, processes it, and transmits it to the receiving ECU via the RXD pin. The IC also monitors the bus activity through the CANL and CANH pins, allowing it to wake up the system when necessary.

Application Field Plans

The TLE7259GNT finds extensive application in various automotive systems, including: - Engine control units (ECUs) - Transmission control units (TCUs) - Body control modules (BCMs) - Anti-lock braking systems (ABS) - Airbag control units (ACUs)

Its robustness, high-speed communication capabilities, and low power consumption make it suitable for these critical automotive applications.

Alternative Models

For alternative options, the following ICs can be considered: - TLE7257GNT: Similar to TLE7259GNT but with two channels. - TLE7255GNT: Single-channel IC with lower data rate but lower power consumption. - TLE7254GNT: Dual-channel IC with higher data rate and additional features.

These alternatives provide flexibility in choosing the most suitable IC based on specific application requirements.

In conclusion, the TLE7259GNT is a high-performance integrated circuit designed for automotive communication systems. Its robustness, high-speed communication capabilities, and low power consumption make it an ideal choice for various automotive applications, ensuring reliable and efficient data transmission between ECUs.