VE-B0M-CX-F1

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DC-DC Converters encompass a broad range of power conversion devices, applications, and technologies. They are used to convert direct current (DC) from one voltage level to another, or to control the output voltage of a power supply. The most common type of DC-DC converter is the switching converter, which includes the buck, boost, buck-boost, and charge pump. The various types of converters each use switching elements with various topologies to convert the energy from one voltage level to another. This article will explore the application fields and working principle of the VE-BOM-CX-F1 DC-DC converter.

Application Fields

The VE-BOM-CX-F1 DC-DC converter is a high power, low noise, high efficiency, low EMI and high reliability converter designed for energy-critical applications. This converter can be used in numerous applications, including but not limited to automotive electronics, industrial automation, medical equipment, portable electronics, solar power systems, and machine vision systems. Additionally, it can be used to power CPU, DSP, ASIC, and other embedded processors. The VE-BOM-CX-F1 also offers an excellent solution for applications where a wide input voltage range or tight output voltage regulation is required.

Working Principle

The VE-BOM-CX-F1 DC-DC converter uses a versatile switched-mode topology to convert an input voltage (from 4-20V) to an adjustable output voltage (from 1.7V to 18V). It uses a PWM (pulse width modulation) control circuit, which provides a single-edged waveform to the power MOSFETs and IGBTs, and a bridge rectifier that converts the AC input voltage to DC voltage. The PWM waveform is generated by a pulse generator that compares the feedback signal (from a voltage regulator) to the reference voltage. The duty cycle of the PWM waveform is proportional to the difference between the reference voltage and the feedback signal.

The output voltage is regulated by a voltage regulator, which uses an error amplifier with a proportional gain to control the output voltage. The output voltage is determined by the output voltage divider and the feedback signal (compared to the reference voltage). The secondary side of the switching converter is a linear regulator, which also utilizes the PWM converted voltage to supply the output voltage. The VE-BOM-CX-F1 DC-DC converter also features an over-voltage protection circuit to ensure the output voltage remains within a safe range.

Conclusion

The VE-BOM-CX-F1 DC-DC converter is a versatile switched-mode power converter designed for energy-critical applications. It offers an excellent solution for applications where a wide input voltage range or tight output voltage regulation is required. The converter is regulated by a voltage regulator, which is controlled by an error amplifier with a proportional gain. Additionally, the converter features an over-voltage protection circuit to ensure the output voltage remains within a safe range.

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