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AUIPS7125R

AUIPS7125R Description

The AUIPS7125R from Infineon Technologies is a high-side power switch designed for automotive-grade applications, integrating a single N-channel MOSFET with a 1:1 input-to-output ratio. This obsolete but robust component supports a maximum load voltage of 60V and delivers up to 3.8A continuous current, making it suitable for demanding power distribution tasks. With an Rds(on) of just 24mΩ (typical), it ensures minimal conduction losses, enhancing efficiency in high-current paths. The device operates without an external supply voltage, simplifying system design, and is housed in a TO252-5 (DPAK) surface-mount package for compact PCB integration.

AUIPS7125R Features

• High-Side Configuration: Eliminates the need for charge pumps or level shifters, reducing BOM complexity.
• Automotive Compliance: Meets stringent automotive reliability standards for harsh environments.
• Integrated Protections: Fixed current limiting and over-temperature shutdown safeguard against faults.
• Low Rds(on): 24mΩ typ. minimizes power dissipation, improving thermal performance.
• On/Off Interface: Simple logic-level control for easy integration into digital systems.
• Wide Voltage Range: Supports up to 60V loads, ideal for 12V/24V automotive systems.

AUIPS7125R Applications

• Automotive Load Control: Drives relays, lamps, or motors in body control modules (BCMs) and power distribution units (PDUs).
• Industrial Power Management: Used in solenoid drivers, actuators, and DC-DC converter protection.
• Hot-Swap Circuits: Protects subsystems from inrush currents in battery management systems (BMS).
• Obsolete but Legacy-Suitable: Ideal for servicing existing designs requiring high-current switching with minimal losses.

Conclusion of AUIPS7125R

While marked obsolete, the AUIPS7125R remains a high-performance solution for automotive and industrial high-side switching. Its low Rds(on), integrated protections, and simplicity make it a reliable choice for legacy systems or designs prioritizing efficiency and ruggedness. Engineers seeking alternatives should consider Infineon’s newer offerings but can leverage this device’s proven track record in high-current, high-voltage applications.