TLE4471GNUMA1

Product Overview

Category

TLE4471GNUMA1 belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in automotive applications, specifically in electronic control units (ECUs) for various systems such as engine management, transmission control, and powertrain control.

Characteristics

• TLE4471GNUMA1 is a highly reliable and efficient IC designed for automotive applications.
• It offers advanced features and functionalities to enhance the performance and efficiency of ECUs.
• The IC is built to withstand harsh operating conditions, including high temperatures and voltage fluctuations.
• It provides precise control and monitoring capabilities for optimal system operation.

Package

TLE4471GNUMA1 is available in a compact and durable package that ensures protection against environmental factors and mechanical stress. The package is designed to facilitate easy integration into existing ECU designs.

Essence

The essence of TLE4471GNUMA1 lies in its ability to provide accurate and reliable control signals for automotive systems. It acts as a crucial component in ensuring the smooth operation of various vehicle functions.

Packaging/Quantity

This IC is typically supplied in reels or trays, depending on the manufacturer's packaging standards. The quantity per package may vary, but it is commonly available in quantities suitable for mass production.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current: Up to 10A
• Operating Temperature Range: -40°C to +150°C
• Switching Frequency: Adjustable up to 2MHz
• Protection Features: Overvoltage, Overcurrent, and Thermal Shutdown

Detailed Pin Configuration

The TLE4471GNUMA1 IC has the following pin configuration:

1. VIN: Input voltage supply
2. GND: Ground reference
3. VOUT: Output voltage
4. EN: Enable pin for controlling the IC's operation
5. FB: Feedback pin for voltage regulation
6. SS: Soft-start pin for gradual power-up
7. PGND: Power ground reference

Functional Features

• High-efficiency buck converter with integrated power MOSFETs
• Wide input voltage range for compatibility with various automotive systems
• Adjustable switching frequency for optimization of system performance
• Comprehensive protection features to safeguard against faults and abnormal conditions
• Precise voltage regulation for stable and reliable operation

Advantages and Disadvantages

Advantages

• Robust design suitable for automotive applications
• High efficiency leading to reduced power consumption
• Compact package for space-constrained designs
• Versatile functionality for different ECU requirements
• Excellent thermal management capabilities

Disadvantages

• Relatively higher cost compared to non-automotive-grade ICs
• Requires expertise in automotive electronics for proper integration
• Limited availability of alternative models from other manufacturers

Working Principles

TLE4471GNUMA1 operates as a buck converter, converting the input voltage to a lower regulated output voltage. It utilizes pulse-width modulation (PWM) techniques to control the duty cycle of the internal power MOSFETs, thereby regulating the output voltage. The IC incorporates various control and protection circuits to ensure safe and efficient operation under different load and environmental conditions.

Detailed Application Field Plans

TLE4471GNUMA1 finds extensive application in the automotive industry, specifically in ECUs for:

1. Engine Management Systems: Controlling fuel injection, ignition timing, and emission control.
2. Transmission Control Units: Managing gear shifting, torque distribution, and clutch engagement.
3. Powertrain Control Modules: Regulating overall powertrain performance and efficiency.

The IC can also be utilized in other automotive subsystems that require precise voltage regulation and high reliability.

Detailed and Complete Alternative Models

While TLE4471GNUMA1 is a highly capable IC, there are alternative models available from different manufacturers that offer similar functionalities. Some notable alternatives include:

1. Infineon TLE4471G
2. Texas Instruments LM22678
3. STMicroelectronics L5973D
4. ON Semiconductor NCP5425

These alternative models can be considered based on specific application requirements, availability, and cost considerations.

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