V48SH05017NNFA Power Supplies - Board Mount

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DC-DC converters are electronic circuits used to convert a voltage from one level to another, and are extremely common in many consumer electronic devices, from electric vehicle charging systems and battery chargers to modems and smartwatches. V48SH05017NNFA is a DC-DC converter specifically designed for automotive applications, and in this article we will discuss the applications and working principles of the V48SH05017NNFA DC-DC converter.

Application Field of V48SH05017NNFA

The V48SH05017NNFA is a synchronous rectifier DC-DC converter specifically designed for automotive applications. It is advanced in design, allowing for maximum power density and efficiency in a compact, low-profile, heat sink-free design. It supports 4-switching buck/boost operation and is capable of generating output voltage from a wide range of inputs, making it ideal for automotive applications including e-Motors, safety and convenience systems, radar, powertrain, monitoring systems, power outlets, and instrument clusters.

Working Principle of V48SH05017NNFA

The V48SH05017NNFA works similarly to other DC-DC converters, with a few differences. When the input voltage is greater than the output voltage, the device acts as a buck converter, meaning it steps down the voltage to the desired output and uses MOSFETs to reduce the current flow. Similarly, it can act as a boost converter when the output voltage is greater than the input voltage, raising the voltage to the output. Additionally, the V48SH05017NNFA features a reverse current blocking, input under-voltage lockout, over-current protection, and reverse current protection, making it safe for use in automotive applications.

The working principle is simple: The input voltage is rectified into a DC voltage and fed into an inductor. The inductor stores energy in the form of a magnetic field as current flows through it, which is then released to the load and dissipated as heat. The switch, usually a MOSFET, is used to regulate the current and cut off the energy flow when the output voltage is reached. The diode then acts as a rectifier, allowing the current to flow in only one direction. This process is repeated until the desired voltage is reached.

Conclusion

The V48SH05017NNFA is a DC-DC converter specifically designed for automotive applications. It is advanced in design, allowing for maximum power density and efficiency in a compact, low-profile, heat sink-free design. Its features make it suitable for applications such as e-Motors, safety and convenience systems, radar, powertrain, monitoring systems, power outlets, and instrument clusters. Its working principle is based on the conversion of voltage levels, with a MOSFET providing the switch control, an inductor storing energy, and a diode to allow the current to flow in one direction.

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