RT7313GS Integrated Circuits (ICs)

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Power Factor Correction (PFC) is a method used to optimize the efficiency of power systems. It is useful for applications that require large amounts of power, such as LED lighting, renewable energy, and industrial applications. RT7313GS is a PFC integrated circuit that can achieve up to 96% efficiency.

RT7313GS is designed to handle both AC and DC power supplies. It utilizes a universal input voltage range of 4.5V to 170V, making it suitable for a wide variety of applications. It also has an integrated digital controller that allows for real-time feedback and system control. The RT7313GS uses a proprietary Boost and Bridge architecture that can be easily adapted to a variety of topologies and topological variations. This design enables the PFC to achieve high efficiency and power factor over a wide range of input and load conditions.

The working principle of RT7313GS is based on the boost-and-bridge topology. The chip includes two controllers: a Boost PFC – DC/DC (BASE) controller and a Feedback controller. The BASE controller is responsible for the power factor correction, while the feedback controller provides loop stability and load compensating. The BASE controller monitors the input voltage, and uses the Boost portion of the topology to provide conversion from AC to DC. At the same time, the feedback controller monitors the output voltage and current. If the output is lower than the set value, then the BASE controller increases the output voltage and current. In addition, the system also has over-current and over-voltage protection, which helps protect the system from damage due to momentary faults.

RT7313GS is an ideal choice for cost-sensitive, high-efficiency applications such as LED drivers, solar inverters, and AC/DC power supplies. It provides up to 96% efficiency, a wide input voltage range, integrated digital controller, and a flexible boost-and-bridge topology. Its highly integrated design makes it easy to use and allows for a wide range of system designs.

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