RSS-2415/H-R

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DC DC converters are becoming increasingly popular due to their ability to reduce power losses and introduce high reliability into power electronics systems. One of the most widely used converter topologies is the Resonant Switching Series-Series (RSS-2415/H-R) topology. This type of converter is a combination of flyback, step-down and isolated topologies. This article will explain in detail the application field and working principle of RSS-2415/H-R.

Features of RSS-2415/H-R

The main features of the RSS-2415/H-R are its high efficiency and its high power density. It is suitable for a variety of industrial and consumer applications, thanks to its low components count, low electrical noise and high reliability. Moreover, the monolithic controller used in this converter helps ensure compatibility with the other elements used in the system.

This converter can operate at a wide range of input and output voltages, from 12V to 24V, for input voltages, and from 12V to 36V for output voltages. The maximum output current is 15A and the switching frequency can be adjusted in the range of 15KHz to 60KHz.

Working Principle of RSS-2415/H-R

The basic working principle of the RSS-2415/H-R is based on the well-known forward converter topology. The input voltage is rectified and supplied to the primary coil of the high frequency transformer. The primary winding of the transformer is driven by the isolated gate driver (IGD) connected to the controller. The controller uses a high frequency signal to periodically switch the primary winding of the transformer. When the primary winding is switched on, the primary current passes through the diode D2 and charges the transformer coil. When the primary winding is switched off, an electrical magnetic field surrounding the transformer induces a voltage on the secondary winding.

When the secondary winding is switched on, the output voltage can be regulated by varying the duty cycle of the primary winding. The output voltage can be adjusted by adjusting the duty cycle, as long as the duty cycle is within the allowed operating range of the converter, which is determined by the maximum and minimum switching times of the transformer. The output voltage will remain constant as long as the duty cycle is kept within the required range.

Application Field of RSS-2415/H-R

The RSS-2415/H-R converter is suitable for a wide variety of industrial and consumer applications where the output voltage needs to be precisely and reliably controlled. It is particularly suitable for high power applications such as renewable energy applications where the input voltage is variable and the output voltage needs to be regulated precisely and reliably. This type of converter can also be used for motor control applications. The high power density together with the wide input and output voltage range make this a very attractive choice.

In conclusion, RSS-2415/H-R converters offer high efficiency and high power density compared to other converters and are suitable for many industrial and consumer applications. They are an attractive proposition and offer a reliable and flexible solution for various power electronics systems.

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