Infineon High Side 4-Channel Power Switch IC, Surface Mount TSDSO-14, 45V, 7mA, ITS4075QEPDXUMA1

Infineon ITS4075QEPDXUMA1 is a high-side 4-channel power switch IC designed for industrial applications requiring reliable switching of various loads. Packaged in a compact surface-mount thermally enhanced TSDSO-14 package, this device delivers high current capability up to 2.6 A per channel and integrates protective features along with precise diagnostic feedback.

The smart high-side switch incorporates N-channel vertical power MOSFET transistors with charge pump technology to ensure low on-resistance of 150mΩ typical, optimizing efficiency and reducing power loss. The device supports a wide supply voltage range up to 45 V and operates with a minimal operating current of 7 mA. It is compatible with 3.3 V and 5 V logic control signals, allowing direct interfacing with optocoupler outputs without additional external components.

Robustness is enhanced through integrated protection mechanisms such as current limitation at 4.1 A ±20%, electrostatic discharge (4 kV ESD) protection, and high-temperature operation from -40°C to 150°C. The exposed pad of the package ensures excellent thermal dissipation to maintain device stability in demanding industrial environments.

This Power Switch IC is suitable for controlling digital output modules in PLCs, factory automation, industrial peripheral switches, and power distribution systems. It efficiently replaces electromechanical relays, fuses, and discrete circuits, offering precise current limiting for resistive, inductive, and capacitive loads.

Each channel supports nominal current up to 2.6 A with low switch on resistance. Integrated diagnostic feedback and protection features provide robust operation. Operates over a wide voltage range up to 45 V with minimal supply current.

Compact surface mount TSDSO-14 package minimizes PCB space requirements. Compatible with 3.3 V and 5 V logic inputs, suitable for direct interface with optocouplers. Enhanced thermal management via exposed pad for efficient heat dissipation.

Meets stringent industrial standards for robustness and electrostatic discharge protection. Ideal for switching resistive, inductive, or capacitive loads in harsh environments. Reduces need for electromechanical relays, enabling compact system designs.

Industrial applications of the Infineon ITS4075QEPDXUMA1 include digital output modules for programmable logic controllers, factory automation equipment, industrial peripheral switching, and power management in harsh environments requiring reliable protection and diagnostics. Its small footprint and integrated protections significantly improve system reliability and design efficiency.

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