Infineon IPZA60R037P7: A 600V CoolMOS™ P7 Power Transistor for High-Efficiency Applications
The relentless pursuit of higher energy efficiency and power density in modern electronics places immense demands on power conversion systems. At the heart of these systems, the power switching device is paramount. The Infineon IPZA60R037P7, a 600V superjunction MOSFET from the revolutionary CoolMOS™ P7 family, is engineered to meet these challenges head-on, setting a new benchmark for performance in applications ranging from server SMPS and industrial drives to EV charging and renewable energy systems.
A defining feature of the CoolMOS™ P7 technology is its exceptional balance between low conduction and switching losses. The IPZA60R037P7 boasts an ultra-low on-state resistance (R DS(on)) of just 37 mΩ at 10 V, significantly reducing I²R losses during operation. This translates directly into higher efficiency, especially at full load, and allows for cooler operation or the use of smaller heat sinks. Concurrently, the P7 technology incorporates advanced packaging and chip design to minimize parasitic capacitances and achieve superior switching performance, which is critical for reducing losses in high-frequency operations. This combination allows designers to push switching frequencies higher, enabling the use of smaller passive components like inductors and transformers, thereby increasing overall power density.
Beyond raw performance metrics, the IPZA60R037P7 is designed with robustness and reliability in mind. It offers a high level of dv/dt stability and increased avalanche ruggedness, ensuring reliable operation under harsh conditions and voltage spikes. The device also features a integrated additional source connection (Kelvin pin) in its TO-LL package. This pin allows for a separate gate drive return path, minimizing the influence of parasitic source inductance and resulting in cleaner, faster switching transitions, reduced ringing, and lower electromagnetic interference (EMI). This built-in feature simplifies the task of achieving optimal switching performance and passing stringent EMI regulations.
Furthermore, the technology emphasizes ease of use. The P7 family is renowned for its gate charge (Q G) linearity, meaning the gate charge remains consistent across various operating conditions. This predictability simplifies the design of the gate drive circuit and ensures stable performance. The high body diode robustness also enhances its suitability for hard-switching and power factor correction (PFC) topologies.
In summary, the Infineon IPZA60R037P7 is not merely a component but a key enabler for the next generation of high-efficiency power electronics. Its blend of ultra-low losses, high switching speed, and integrated design features provides engineers with the tools necessary to create systems that are simultaneously more efficient, more compact, and more reliable.

ICGOODFIND: The Infineon IPZA60R037P7 CoolMOS™ P7 represents a significant leap in high-voltage switching technology, offering an optimal synergy of the lowest R DS(on) in its class, minimized switching losses, and enhanced ruggedness. Its integrated Kelvin source pin and high body diode robustness make it an indispensable solution for designers aiming to maximize efficiency and power density while simplifying their development process.
Keywords:
1. High-Efficiency
2. Low Switching Losses
3. Ultra-Low R DS(on)
4. Kelvin Source
5. Power Density
