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SS10PH45-M3/86A Application Field and Working Principles

Classification: Diodes - Rectifiers - Single

The SS10PH45-M3/86A is a single-phase, low-voltage, 25A PFC rectifier module offered by Infineon. It is based on the full-bridge topology and features soft switching, self-adaptive control operating, and sensorless current sensing technology. The SS10PH45-M3/86A is designed to minimise switching losses and reduce circuit complexity, while also promoting high efficiency and compatibility. The overall system architecture is ideally suited for application in server power supplies, data storage, and process control environmentally tolerant applications.

Overview of the SS10PH45-M3/86A

The SS10PH45-M3/86A is a single-phase, low-voltage, 25A PFC rectifier module that offers superior power factor, high efficiency, and low harmonic distortion. The module integrates a 0.9V, 800mA low-voltage device, a full-bridge-type converter, a self-adaptive active-clamp forward topology, a low-voltage auxiliary driver, and a current sensing module. All of these components are integrated in a high reliability, very compact form factor.

Power Supply Requirements

The SS10PH45-M3/86A is designed to operate with a 25W, 3.3V to 30V input and a 25A output at 20mV rms or less. It has been designed to be highly reliable and is capable of working with a variety of commercial and industrial power supplies. It is also capable of working in 60V, low-voltage applications.

Synchronous Rectification

The SS10PH45-M3/86A features synchronous rectification to reduce power losses. Synchronous rectification features the use of two MOSFETs to rectify the AC current into DC current with reduced power losses. The resulting lower power losses promote high efficiency and low harmonic distortion.

Soft Switching

The SS10PH45-M3/86A also features soft switching to reduce power losses. Soft switching is achieved by synchronizing the MOSFET signals to the input voltage waveform to reduce switching losses. This reduces the switching speed, resulting in reduced power losses and improved system efficiency.

Self-Adaptive Control Operating

Another key feature of the SS10PH45-M3/86A module is its ability to self-adapt its operating parameters to suit the current application. This capability allows the module to be used in a variety of different environments and configurations without the need for manual adjustment of the operational parameters. This helps promote higher efficiency and balanced performance.

Sensorless Current Sensing Technology

The SS10PH45-M3/86A module also features sensorless current sensing technology. This is a feature that allows the module to sense the current flowing through the rectifier without the need for a current sense resistor. This technology eliminates the need for bulky and expensive current sense resistors, while also promoting higher efficiency and better device utilization.

Conclusion

The SS10PH45-M3/86A is a single-phase, low-voltage, 25A PFC rectifier module that offers superior power factor, high efficiency, and low harmonic distortion. It features soft switching, self-adaptive control operating, and sensorless current sense technology. Its overall system architecture is ideally suited for application in server power supplies, data storage, and process control environmentally tolerant applications.

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