VE-211-CU-B1

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VE-211-CU-B1 Application Field and Working Principle

DC DC converters are electronic, semiconductor-based devices which convert or regulate a DC power source into another voltage or current of same type. In other words, it will convert a DC voltage from one level to another, or will convert AC voltage into DC voltage. They are typically used to step up, step down or provide isolation between different voltages. DC converters are generally employed in various industrial and electronic equipment such as laptop computers, radios and cell phones.

The specific function of the DC/DC converter depends upon its type. As with any DC/DC converter, the VE-211-CU-B1 is a type of converter that steps up the input voltage from a lower level to a higher level. This converter is most often used to step up DC voltages in motorized or electrically articulated micro-positioners and optics positioning systems.

The VE-211-CU-B1 is an integrated converter specifically designed to convert voltages from 36 to 48V to regulated 5V DC. It is a two-phase buck type DC/DC converter integrating an optimised ultra-fast switching channel in each phase. The VE-211-CU-B1 is a power efficient converter which integrates two power stages, voltage boost stage and an optimized current switching stage. The voltage boosting stage provides the high voltage to the current switching stage where the output voltage is regulated.

The VE-211-CU-B1 uses two gate drive sources for each phase to compensate the phase shift of driving current in the commonly used buck topology. This feature enhances the efficiency performance and reduces the switching loss of the converter. Moreover, the VE-211-CU-B1 converter also provides an advanced power saving feature which will shut down the converter when the load is below 10% of the nominal rated load.

When it comes to the working principle of the VE-211-CU-B1, it’s actually quite simple - the converter takes the supplied input voltage, steps it up and then regulates it to 5V DC output. This is accomplished using power switching semiconductors like MOSFETs and the classic buck topology. In a buck converter, the switching of power runs (simultaneously) through two transistors: an upper and lower switch. During the first step, the upper switch turns on while the lower stays off. During the second step, the lower switch turns on while the upper switch turns off. This process of switching is responsible for regulating the output voltage at a constant level.

To further enhance the efficiency of the VE-211-CU-B1, a patented PWM circuit and an integrated load current management is employed. This patented PWM circuit is also responsible for providing a wide range of output voltage and current values by adjusting the resistive values on both the switches. It also keeps the output voltage regulated when the input voltage is varying, thus maintaining an ideal output level and keeping noise levels to a minimum.

In conclusion, the VE-211-CU-B1 DC/DC converter amounts to a wide level of efficiency and operating versatility. Its small size and highly integrated system make it an ideal choice for many electronic applications including motorized actuators, micro-positioners and other miniature equipment. Moreover, the highly efficient power save features provide longer operational life. This type of converter is designed to fit versatile requirements and can be used to step up as well as step down DC voltages.

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