Infineon IPA65R650CE: A 650V CoolMOS™ CE Power Transistor for High-Efficiency Applications
The relentless pursuit of higher efficiency and power density in modern electronics places immense demands on power conversion systems. At the heart of these systems, the power switching device plays a pivotal role in determining overall performance. The Infineon IPA65R650CE, a 650V CoolMOS™ CE series power transistor, stands out as a premier solution engineered to meet these challenges head-on, offering a blend of exceptional switching performance and high reliability.
Built upon Infineon’s revolutionary superjunction (SJ) technology, the CoolMOS™ CE series represents a significant leap forward from standard MOSFETs. The IPA65R650CE leverages this technology to achieve an outstandingly low figure-of-merit (RDS(on) x Qg), which is crucial for minimizing both conduction and switching losses. This translates directly into higher efficiency, especially in hard-switching topologies common in applications like switched-mode power supplies (SMPS), server and telecom power systems, and industrial motor drives. Designers can achieve higher switching frequencies without incurring excessive losses, enabling the use of smaller passive components like inductors and capacitors, thereby increasing power density.

A key hallmark of the CoolMOS™ CE family, including the IPA65R650CE, is its integrated fast body diode. This feature is particularly beneficial in power factor correction (PFC) circuits and other bridge configurations. The diode exhibits excellent reverse recovery characteristics, reducing switching noise and voltage overshoot. This not only enhances electromagnetic compatibility (EMC) but also improves the overall ruggedness of the system, allowing for more robust and reliable designs.
Furthermore, the device boasts a high avalanche ruggedness, ensuring it can handle unexpected voltage spikes and stressful conditions often encountered in real-world operating environments. Its optimized parasitic capacitance provides a smooth switching behavior, which simplifies gate driving requirements and helps mitigate electromagnetic interference (EMI). Combined with its high voltage capability of 650V, it offers a sufficient safety margin for operation from universal input voltages (85 VAC – 305 VAC), making it a versatile choice for global applications.
In summary, the Infineon IPA65R650CE is not just a component but a strategic enabler for next-generation power supplies. It empowers engineers to push the boundaries of efficiency and miniaturization.
ICGOODFIND: The Infineon IPA65R650CE CoolMOS™ CE is a high-efficiency powerhouse, expertly balancing ultra-low losses, robust switching performance, and integrated diode technology to drive innovation in power supply design and boost overall system reliability.
Keywords: High-Efficiency, CoolMOS™ CE, Low Switching Loss, Integrated Body Diode, Superjunction Technology.
