The BTS3104SDR is a single-channel high-side power switch from Infineon Technologies, designed for a wide range of automotive and industrial applications. It is part of the HITFET™ family, known for its robust protection features and intelligent diagnostic capabilities. This device integrates protection functions and delivers enhanced system reliability.

Applications:

• Replacement of electromechanical relays and discrete circuits
• Power distribution
• Heating
• General resistive, inductive and capacitive loads
• Automotive applications such as body control modules, power distribution, and lighting control
• Industrial applications such as programmable logic controllers (PLCs) and motor control

Features:

• Single channel high-side switch
• Current limitation
• Overload protection
• Short circuit protection
• Overvoltage protection
• Overtemperature protection
• Loss of GND protection
• ESD protection
• Voltage clamp
• Green product (RoHS compliant)
• Logic ground independent from load ground
• Optimized for automotive applications

Benefits:

• Enhanced System Reliability: Comprehensive protection features ensure robust operation and prevent damage in fault conditions.
• Reduced Component Count: Integration of protection and diagnostic functions reduces the need for external components, simplifying design and lowering costs.
• Improved Energy Efficiency: Low on-resistance minimizes power dissipation, leading to improved energy efficiency and reduced heat generation.
• Simplified Design: Logic ground independence allows for easy integration into existing systems.
• Enhanced Safety: Provides overvoltage and overtemperature protection to safeguard connected loads.

Additional Details:

The BTS3104SDR operates within a wide voltage range, typically from 5V to 34V, making it suitable for various automotive and industrial power systems. It features a diagnostic feedback signal, which allows for real-time monitoring of the switch status. The device is available in a PG-DSO-8 package.

The integrated current limitation and short-circuit protection ensure that the load is protected from excessive current draw, preventing damage to the switch and connected components. The overtemperature protection feature shuts down the switch if the junction temperature exceeds a certain threshold, preventing thermal runaway. The device is also protected against electrostatic discharge (ESD) events, ensuring reliable operation in harsh environments.