VN920SOTR-E

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The VN920SOTR-E is a Power Management Integrated Circuit (PMIC) that consists of a power distribution switch, load driver, and a variety of protection features. In this article, we will discuss the application fields and working principle of the VN920SOTR-E.

The VN920SOTR-E offers a single channel power distribution switch and load driver. It enables high current switching for up to 12V and high side pass-through for up to 3.2V. Furthermore, the device includes various protection features, including overcurrent protection and undervoltage lockout.

The VN920SOTR-E is designed for a wide range of applications, including the automotive, industrial, and consumer markets. It can be used in applications such as automotive power grids, automotive lighting, home appliances, electronic control units, and more. The device offers superior performance and reliability compared to other conventional solutions.

In terms of working principle, the VN920SOTR-E is a Synchronous Rectifier (SR) based power distribution switch and load driver. It consists of two N-channel MOSFETs, which can be connected in either a parallel or a series configuration. Depending on the application, the power distribution switch can be used to either supply or sink current. When operating in negative-source mode (e.g. automotive lighting applications), the device acts as a Buck Converter, where the input current of the device is constant regardless of the output voltage. On the other hand, when operating in positive-source mode (e.g. electronic control units applications), the device acts as a Boost Converter, where the output current of the device is constant regardless of the input voltage.

The VN920SOTR-E is a reliable and cost-effective solution for power management applications. It offers excellent thermal performance and includes various protection features for enhanced reliability. Furthermore, the device is easy to use and can be used in a wide range of applications, including automotive, industrial, and consumer markets.

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