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AUIPS7081S

AUIPS7081S Description

The AUIPS7081S by Infineon Technologies is a high-side power switch designed for automotive-grade applications, featuring a single N-channel MOSFET with a 1:1 input-to-output ratio. This obsolete but robust component operates within a 6V to 35V load voltage range, delivering up to 2.3A continuous current with a low Rds(on) of 55mΩ (typical). Its surface-mount D2PAK-5 package ensures efficient thermal performance, while its REACH-unaffected and MSL 1 (unlimited) ratings make it suitable for harsh environments.

AUIPS7081S Features

• Automotive-Grade Reliability: Compliant with stringent automotive standards, ensuring durability in demanding conditions.
• Integrated Protection: Features fixed current limiting, open-load detection, and over-temperature shutdown for enhanced system safety.
• Auto-Restart Functionality: Automatically recovers from fault conditions, minimizing downtime.
• No External Supply Required: Simplifies design by eliminating the need for a separate Vcc/Vdd supply.
• Low On-Resistance: 55mΩ Rds(on) reduces power dissipation, improving efficiency.
• On/Off Interface: Simple control via a logic-level input, ideal for microcontroller-driven systems.

AUIPS7081S Applications

• Automotive Load Switching: Ideal for ECUs, lighting systems, and motor control due to its high-voltage tolerance and fault protection.
• Industrial Power Distribution: Suitable for relay replacements, solenoid drivers, and actuator control in industrial automation.
• Battery Management Systems: Efficiently manages load disconnects in 12V/24V battery applications.
• Harsh Environment Use: Performs reliably in high-temperature or vibration-prone settings, such as automotive underhood applications.

Conclusion of AUIPS7081S

The AUIPS7081S stands out for its robust protection features, low power loss, and automotive-grade ruggedness, making it a preferred choice for high-reliability applications. While obsolete, its auto-restart capability and integrated safeguards ensure continued relevance in legacy designs or systems requiring fault-tolerant switching. Engineers should consider this component for high-side switching tasks where durability and simplicity are critical.