VI-B1P-CY

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DC-DC converters are devices that are used in industrial, communications, automotive, medical and consumer electronics industries to deliver output current or voltage levels that are different from the input voltage supplied. In this article, we will look at the VI-B1P-CY application field and working principle.

VI-B1P-CY is a miniaturized isolated DC-DC converter module made up of a high-efficiency full bridge and transformer feedback circuit. This converter can generate constant output current/voltage with a wide input voltage range, and is widely applicable in various power system requirements.

The VI-B1P-CY module can be classified into two types: constant-voltage and constant-current. The constant-voltage type is designed to deliver a fixed output voltage with its input voltage range increasing from 15V to 36V, and its output installed resistance under the voltage mode is one ohm or less. Its highest power output is 7.5W. The constant-current type is designed to deliver a fixed output current with its input voltage range from 14V to 36V. Its highest power output is 4.0W.

The VI-B1P-CY module is suitable for industrial automation, embedded computers, power on/off and reset circuit designs, etc, where efficient, miniaturized and cost-effective power supply solutions are desired. It has an adjustable current limiting feature that turns off the power output of the module for protecting connected devices when the output current exceeds the pre-set current. Its wide input voltage range eliminates the need for power selection, allowing the same product to be applied in a variety of applications without having to adjust the input voltage.

The VI-B1P-CY module operates using pulse width modulation (PWM) technology. It takes its input power and steps it down to its desired output level using an inductor and a full bridge made up of special power FETs. A PWM frequency is also set to achieve the required output current and voltage levels. When the input voltage is greater than the output voltage, the module increases the duration of each pulse so as to extract the required amount of energy from the DC input stream. This constant load current ensures a constant output voltage across the output terminals of the module.

The VI-B1P-CY module also provides LED indication to indicate the operational status. If the LED changes to red, it indicates a fault while a green LED indicates normal operation. Additionally, the module offers optional input overvoltage and output overvoltage protection. The overvoltage protection helps to protect the connected devices from power losses that can occur due to input and output voltage fluctuations.

In conclusion, the VI-B1P-CY module is a miniaturized, cost-effective, high-efficiency DC-DC converter that is suitable for applications that require a constant output voltage or current with a wide input voltage range. Its adjustable current limiting feature provides protection for connected devices when the current exceeds pre-set levels. The LED indications and optional overvoltage protection make this product suitable for all types of applications.

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