AUIPS2041R - English Editing Encyclopedia Entry

Product Overview

Product Name: AUIPS2041R
Category: Power Electronics
Use: Automotive Intelligent Power Switch
Characteristics: High-side switch, Overcurrent protection, Short-circuit protection
Package: TO-220AB
Essence: MOSFET-based power switch
Packaging/Quantity: Tube/50 units per tube

Specifications

• Voltage Rating: 12V
• Current Rating: 40A
• Switching Frequency: Up to 100kHz
• Operating Temperature Range: -40°C to +125°C
• On-State Resistance: 8.5mΩ (max)
• Standby Current: 10µA (typ)

Detailed Pin Configuration

The AUIPS2041R features a TO-220AB package with the following pin configuration:

1. Pin 1: Input Control (IN)
2. Pin 2: Ground (GND)
3. Pin 3: Output (OUT)
4. Pin 4: Supply Voltage (VS)

Functional Features

• High-side switch for automotive applications
• Overcurrent protection with adjustable threshold
• Short-circuit protection with adjustable delay time
• Fast switching capability up to 100kHz
• Low standby current for power-saving operation
• Wide operating temperature range for harsh environments

Advantages and Disadvantages

Advantages: - Provides reliable high-side switching in automotive systems - Offers overcurrent and short-circuit protection for enhanced safety - Adjustable threshold and delay time allow customization for specific applications - Fast switching capability enables efficient power control - Low standby current reduces power consumption

Disadvantages: - Limited voltage rating of 12V may not be suitable for all automotive applications - Higher on-state resistance compared to some alternative models

Working Principles

The AUIPS2041R is a MOSFET-based power switch designed for high-side switching in automotive systems. It operates by controlling the flow of current between the supply voltage (VS) and the output (OUT) pin. The input control (IN) pin determines the ON/OFF state of the switch.

When the input control signal is high, the switch turns ON, allowing current to flow from the supply voltage to the output. Conversely, when the input control signal is low, the switch turns OFF, interrupting the current flow.

The AUIPS2041R incorporates overcurrent protection, which monitors the current flowing through the switch. If the current exceeds a predefined threshold, the switch automatically shuts off to prevent damage to the system. Additionally, it features short-circuit protection with an adjustable delay time, ensuring safe operation even in the event of a short circuit.

Detailed Application Field Plans

The AUIPS2041R is primarily used in automotive applications that require high-side switching with overcurrent and short-circuit protection. Some specific application field plans include:

1. Automotive lighting systems: The AUIPS2041R can be used to control the power supply to various lighting components such as headlights, taillights, and interior lights.
2. Electric power steering: It can be employed in electric power steering systems to regulate the power delivery to the steering motor.
3. Engine control units (ECUs): The AUIPS2041R finds application in ECUs for managing power distribution and controlling various engine functions.
4. Heating, ventilation, and air conditioning (HVAC) systems: It can be utilized in HVAC systems to control the power supply to fans, blowers, and other components.

Detailed and Complete Alternative Models

1. AUIPS7121R: Similar to AUIPS2041R, but with a higher voltage rating of 24V.
2. AUIPS7141R: Offers the same features as AUIPS2041R, but with a lower on-state resistance for improved efficiency.
3. AUIPS7181R: Provides enhanced overcurrent and short-circuit protection features compared to AUIPS2041R.

These alternative models offer similar functionality to the AUIPS2041R while addressing specific requirements or providing additional advantages in certain applications.

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