AUIRS44261S

Product Overview

Category

AUIRS44261S belongs to the category of integrated circuits (ICs) specifically designed for automotive applications.

Use

This IC is primarily used in automotive electronic systems, such as powertrain control modules, body control modules, and lighting control modules.

Characteristics

• High voltage capability: AUIRS44261S can handle high voltages up to 600V, making it suitable for automotive applications.
• Low power consumption: The IC is designed to operate with low power consumption, ensuring efficient energy usage.
• Robustness: It is built to withstand harsh automotive environments, including temperature variations and electrical noise.
• Compact package: AUIRS44261S comes in a compact surface-mount package, allowing for easy integration into automotive electronic systems.
• Essence: This IC serves as a reliable and efficient solution for driving various loads in automotive applications.

Packaging/Quantity

AUIRS44261S is available in a standard surface-mount package. It is typically supplied in reels or tubes, with a quantity of 250 or 500 units per package.

Specifications

• Supply voltage range: 10V to 20V
• Output current: Up to 2.5A
• Operating temperature range: -40°C to +150°C
• Input logic levels: TTL/CMOS compatible
• Fault protection features: Overcurrent protection, thermal shutdown, and undervoltage lockout

Detailed Pin Configuration

The AUIRS44261S IC has the following pin configuration:

1. VCC: Power supply input
2. IN: Logic input for controlling the output stage
3. LO: Low-side output
4. COM: Common connection for low-side outputs
5. HO: High-side output
6. VS: High-side floating supply voltage
7. SD: Shutdown input for disabling the IC
8. GND: Ground connection

Functional Features

• High-side and low-side outputs: AUIRS44261S provides both high-side and low-side outputs, allowing it to drive various loads in automotive systems.
• Logic level input: The IC accepts TTL/CMOS compatible logic inputs, making it easy to interface with microcontrollers or other control devices.
• Fault protection: It incorporates overcurrent protection, thermal shutdown, and undervoltage lockout features to ensure safe operation and protect connected components.

Advantages and Disadvantages

Advantages

• High voltage capability enables use in automotive applications with demanding voltage requirements.
• Low power consumption contributes to energy efficiency.
• Robust design ensures reliable performance in harsh automotive environments.
• Compact package facilitates easy integration into electronic systems.

Disadvantages

• Limited output current compared to some other ICs designed for similar applications.
• May require additional external components for certain applications, increasing complexity and cost.

Working Principles

AUIRS44261S operates as a high-side and low-side driver for automotive loads. It receives logic-level input signals and controls the high-side and low-side outputs accordingly. The IC utilizes internal circuitry to provide fault protection, ensuring safe operation even in adverse conditions.

Detailed Application Field Plans

AUIRS44261S finds application in various automotive systems, including: 1. Powertrain control modules: It can be used to drive fuel injectors, ignition coils, and solenoids. 2. Body control modules: The IC is suitable for controlling lighting systems, power windows, and door locks. 3. Lighting control modules: It can drive various automotive lighting elements, such as headlights, taillights, and turn signals.

Detailed and Complete Alternative Models

1. AUIRS44262S: Similar to AUIRS44261S but with higher output current capability.
2. AUIRS44252S: Offers similar features but with a different pin configuration.
3. AUIRS44271S: Provides additional diagnostic and protection features.

These alternative models offer similar functionality to AUIRS44261S, catering to different application requirements.

In conclusion, AUIRS44261S is a high-voltage integrated circuit designed for automotive applications. Its compact package, low power consumption, and robustness make it an ideal choice for driving various loads in automotive electronic systems. While it has some limitations in terms of output current and potential need for external components, its advantages outweigh these disadvantages. With its wide range of applications and availability of alternative models, AUIRS44261S serves as a reliable solution for automotive electronics.