TLE4278

series introduction

# TLE4278 Product Series Introduction

## 1. Overview
The TLE4278 product series is a remarkable offering in the field of automotive and industrial electronics. Developed by a leading semiconductor manufacturer, these integrated circuits are engineered to meet the demanding requirements of modern electrical systems, providing reliable and efficient solutions for a wide range of applications.

## 2. Key Features

### 2.1 High - Current Capability
One of the standout features of the TLE4278 series is its ability to handle high currents. This makes it suitable for driving various high - power loads such as motors, solenoids, and relays. With a high - current output stage, it can deliver the necessary power to operate these components effectively, ensuring smooth and reliable performance.

### 2.2 Low - On - Resistance
The devices in the TLE4278 series have a very low on - resistance. This characteristic is crucial as it minimizes power losses during operation. Lower on - resistance means less heat generation, which not only improves the overall efficiency of the system but also enhances the reliability and longevity of the components. It also helps in reducing the power consumption of the entire electrical system, making it more energy - efficient.

### 2.3 Over - Current and Over - Temperature Protection
To safeguard both the TLE4278 device and the connected load, the series is equipped with comprehensive over - current and over - temperature protection mechanisms. In case of an over - current situation, such as a short - circuit in the load, the device will automatically limit the current to prevent damage. Similarly, if the temperature of the device rises above a safe threshold, it will take appropriate measures to protect itself, such as reducing the output current or shutting down the device temporarily.

### 2.4 Diagnostic Functions
The TLE4278 series offers advanced diagnostic functions. These functions allow the system to monitor the status of the device and the connected load in real - time. For example, it can detect open - load conditions, which are useful for identifying faults in the electrical system. The diagnostic information can be used by the vehicle's or industrial system's control unit to take corrective actions, such as triggering an alarm or shutting down the affected circuit.

### 2.5 ESD Protection
Electrostatic discharge (ESD) can cause significant damage to electronic components. The TLE4278 series is designed with built - in ESD protection, which helps to prevent damage from static electricity. This ensures the reliability of the device during handling, installation, and normal operation, especially in environments where ESD is a common concern.

## 3. Applications

### 3.1 Automotive Industry
- **Window Lifter Systems**: The high - current capability and reliable performance of the TLE4278 make it an ideal choice for driving the motors in automotive window lifter systems. It can handle the varying loads and ensure smooth and precise movement of the windows.
- **Seat Adjustment Systems**: In seat adjustment mechanisms, the TLE4278 can drive the motors that control the position of the seats. Its diagnostic functions help in detecting any faults in the seat adjustment system, ensuring the safety and comfort of the passengers.
- **HVAC Blower Motors**: The series can be used to drive the blower motors in the heating, ventilation, and air - conditioning (HVAC) systems of vehicles. The low - on - resistance feature helps in reducing power consumption and improving the efficiency of the HVAC system.

### 3.2 Industrial Automation
- **Conveyor Belt Systems**: In industrial conveyor belt applications, the TLE4278 can be used to drive the motors that move the conveyor belts. Its over - current and over - temperature protection features ensure the reliable operation of the conveyor system, even under heavy loads.
- **

Images for reference

Image Preview

Datasheets

• PDF 1

Partlist