INFINEON BSP75N Smart Low Side Switch, SIPMOS, 1A, SOT-223-4

The INFINEON BSP75N is a highly integrated N-channel low-side vertical power FET switch, designed using smart SIPMOS® technology. This robust component offers a single output channel and is fully protected by a comprehensive suite of embedded functions, making it exceptionally reliable for demanding applications.

It features built-in thermal shutdown with an automatic restart mechanism, safeguarding the device against overheating. With a logic-level input for easy interfacing with microcontrollers, it simplifies circuit design. The integrated protections include input protection (ESD), overload protection, short-circuit protection, overvoltage protection, and current limitation, ensuring robust operation in harsh environments.

Key Applications

This smart power switch is engineered for use across multiple sectors, including industrial automation, computing, and automotive electronics. It is ideal for managing power to computer peripherals, motor control circuits, and various load-switching tasks where reliability and protection are critical. Its qualification to the AEC-Q100 standard confirms its suitability for automotive-grade applications.

Technical Specifications

• Technology: Smart SIPMOS®
• Switch Type: Low-side power load switch
• Channels: 1
• Maximum Input Voltage: 20 V
• Current Limit: 1 A
• On-State Resistance: 0.55 Ω
• Package / Case: SOT-223
• Pin Count: 4 pins
• Thermal Protection: Yes (shutdown with auto-restart)
• Number of Outputs: 1
• Operating Temperature Range: -40°C to +150°C
• Qualification: AEC-Q100
• Driving Capability: Analogue driving possible

With its compact SOT-223-4 package and extensive protection features, the BSP75N provides a durable and space-efficient solution for safe power distribution and switching.