Infineon K40H603: High-Performance 600V Automotive IGBT Module for Advanced Power Conversion

The relentless drive towards vehicle electrification demands power semiconductors that deliver not just high performance but also uncompromising reliability. At the heart of many advanced automotive systems, from electric power steering and battery management to onboard chargers (OBC) and DC-DC converters, lies the need for efficient and robust power switching. Addressing this critical need, the Infineon K40H603 600V IGBT module emerges as a premier solution engineered specifically for the harsh automotive environment.

This module is built upon Infineon's proven TrenchStop™ IGBT7 technology, representing a significant leap forward in semiconductor performance. The seventh generation IGBT technology is renowned for its drastically reduced static and dynamic losses. This translates into exceptially low Vce(sat) and minimal switching losses, enabling systems to operate at higher efficiencies and with reduced thermal stress. For automotive applications, this means extended driving range for electric vehicles, lower energy consumption in auxiliary systems, and the possibility for higher power density designs.

Beyond raw performance, the K40H603 is designed for automotive-grade reliability. It boasts an operating junction temperature (Tvjop) of up to 175°C, allowing it to perform reliably in under-the-hood applications where ambient temperatures are extreme. This high-temperature capability provides designers with a greater margin of safety and allows for more compact cooling solutions. Furthermore, the module features a low inductive and robust package design, which minimizes parasitic effects that can lead to voltage overshoot and ensures stable, predictable switching behavior—a critical factor for electromagnetic compatibility (EMC).

The module is offered in a half-bridge configuration, a versatile topology used extensively in inverter stages. This makes it an ideal choice for a wide array of applications, including:

Electric Power Steering (EPS) systems

Onboard Chargers (OBC) for Electric Vehicles (EVs)

DC-DC converters

Heating, Ventilation, and Air Conditioning (HVAC) compressors

ICGOOODFIND: The Infineon K40H603 is a high-performance, automotive-qualified power module that sets a new benchmark for efficiency and reliability. By leveraging the advanced IGBT7 technology, it provides system designers with a superior solution to build more efficient, compact, and robust power conversion systems for the next generation of electric and hybrid vehicles.

Keywords: Automotive IGBT, Power Conversion, IGBT7 Technology, High Temperature Operation, Power Density