V110B5E100BL3

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DC–DC converters are essential power conversion step-up and step-down devices that are widely used in the industry to convert electrical energies based on their inputs and output power levels. The V110B5E100BL3 is a type of DC–DC converter from their series of products manufactured by Trace Energy Inc. Its specific application fields and working principle can help in better understanding the function and features of this converter.

Application Fields

The V110B5E100BL3 is a type of DC–DC converter that is mainly used in applications that requires medium input voltage and low output voltage. It is realized in a compact size package making it ideal for a variety of applications in the industrial and automotive fields such as renewable energy and automotive equipment, telecommunications, automotive and marine, and industrial automation and control. It is also suitable for use in submarines and in other industrial embedded systems.

Working Principle

The V110B5E100BL3 is based on a synchronous rectified buck topology consisting of two power stages. A typical circuit diagram of the converter is shown in Figure 1.

Figure 1: Typical circuit diagram of the V110B5E100BL3.

The first stage consists of the input rectifier, filter capacitor, and a high-side N-channel MOSFET switch, as well as other peripheral components, which regulate and filter the input signal. This stage effectively regulates the input voltage from the public grid and filters any transients or noise present. The second stage consists of the output rectifier, filter capacitor, and a low-side N-channel MOSFET switch, as well as other peripheral components, which again regulate and filter the signal from the first stage. This stage effectively regulates the output voltage and provides an optimal level of power for the application.

The converter’s output voltage is regulated by a proportional-integral controller with hysteresis and over-current protection. This effectively minimizes the effects of AC mains interference on the output voltage and provides a steady output voltage even under varying load conditions. The converter also features soft-start and PWM control circuits, which provide additional protection against various overload conditions. The converter is also equipped with a transient-immunity circuit, which is designed to protect the power stage from any sudden surges or transients that may occur in the input power or the environment.

In addition, the converter is also equipped with a built-in temperature sensors and monitors that provide protection against thermal overloads and other conditions. The converter also features a self-check circuit, which helps to ensure that the converter is functioning properly before it is put into operation.

Conclusion

The V110B5E100BL3 is a type of DC–DC converter that is mainly used in applications that requires medium input voltage and low output voltage. It is suitable for a variety of applications in the industrial and automotive fields. It is based on a synchronous rectified buck topology and its output voltage is regulated by a proportional-integral controller with hysteresis and over-current protection. The converter is also equipped with a variety of protective features such as a transient-immunity circuit, temperature sensors, built-in monitors, and a self-check circuit. It provides an ideal solution for various power-conversion applications.

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