TLE8457BLEXUMA1 - English Editing Encyclopedia Entry

Product Overview

Category

The TLE8457BLEXUMA1 belongs to the category of integrated circuits (ICs) specifically designed for automotive applications.

Use

This IC is primarily used in automotive electronic systems, particularly in the field of motor control. It enables precise and efficient control of various motors found in vehicles, such as those used in power windows, sunroofs, and seat adjustments.

Characteristics

• The TLE8457BLEXUMA1 is a highly reliable and robust IC, specifically designed to withstand the demanding conditions of automotive environments.
• It offers advanced motor control capabilities, allowing for smooth and accurate operation of motors.
• This IC incorporates various protection features, ensuring the safety and longevity of the connected motors.
• It supports communication protocols commonly used in automotive systems, such as LIN (Local Interconnect Network).

Package and Quantity

The TLE8457BLEXUMA1 is available in a compact and industry-standard package, making it easy to integrate into existing automotive electronic systems. It is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Supply Voltage: 5V to 18V
• Operating Temperature Range: -40°C to +125°C
• Communication Interface: LIN (Local Interconnect Network)
• Motor Control Channels: 4
• Maximum Output Current per Channel: 1.5A
• Protection Features: Overtemperature, Overcurrent, Undervoltage, and Short Circuit Protection

Detailed Pin Configuration

The TLE8457BLEXUMA1 has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

(Pin Number) - (Pin Name) - (Function) 1 - VBAT - Power Supply Voltage 2 - GND - Ground 3 - LIN - LIN Bus Interface 4 - IN1 - Input for Motor Channel 1 5 - OUT1 - Output for Motor Channel 1 6 - VCC - Internal Voltage Regulator Output 7 - NC - No Connection 8 - NC - No Connection 9 - NC - No Connection 10 - NC - No Connection 11 - NC - No Connection 12 - NC - No Connection 13 - NC - No Connection 14 - NC - No Connection 15 - NC - No Connection 16 - NC - No Connection 17 - NC - No Connection 18 - NC - No Connection 19 - NC - No Connection 20 - NC - No Connection 21 - NC - No Connection 22 - NC - No Connection 23 - NC - No Connection 24 - NC - No Connection 25 - NC - No Connection 26 - NC - No Connection 27 - NC - No Connection 28 - NC - No Connection 29 - NC - No Connection 30 - NC - No Connection 31 - NC - No Connection 32 - NC - No Connection

Functional Features

The TLE8457BLEXUMA1 offers several functional features that make it an ideal choice for automotive motor control applications:

1. Precise Motor Control: This IC provides precise control over the connected motors, allowing for smooth and accurate operation.

2. Integrated Protection Mechanisms: The TLE8457BLEXUMA1 incorporates various protection features, such as overtemperature, overcurrent, undervoltage, and short circuit protection. These mechanisms ensure the safety and longevity of the motors and the overall system.

3. LIN Communication Interface: With its built-in LIN bus interface, this IC enables seamless communication with other components in the automotive system, facilitating efficient data exchange and control.

4. Compact and Robust Design: The TLE8457BLEXUMA1 is designed to withstand the harsh conditions of automotive environments. Its compact form factor allows for easy integration into existing electronic systems.

Advantages and Disadvantages

Advantages

• Precise and efficient motor control
• Integrated protection mechanisms ensure safety and longevity
• LIN communication interface for seamless system integration
• Compact and robust design suitable for automotive applications

Disadvantages

• Limited maximum output current per channel (1.5A)
• Restricted to LIN communication protocol, may not be compatible with other protocols

Working Principles

The TLE8457BLEXUMA1 operates based on a combination of analog and digital circuitry. It receives control signals from the microcontroller through the LIN bus interface. These signals are then processed and amplified to drive the connected motors. The IC continuously monitors various parameters, such as temperature and current, to ensure safe operation. In case of any abnormal conditions, the protection mechanisms are triggered to prevent damage to the motors and the IC itself.

Detailed Application Field Plans

The TLE8457BLEXUMA1 finds extensive application in various automotive systems that