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The objective of this paper is to demonstrate a fully digital controller for non-isolated-point-of-load converter. For fast dynamic slew rate requirement, peak current mode control is preferred in general for providing fast response and over current protection. However, due to the performance limitation of A/D converter and D/A converter, it is implemented by invoking external analog component. In...
The objective of this paper is to present a novel bi-directional three-phase rectifier without using DC-link current sensor. Therefore, the off-shelf DC/AC stage can be used to realize such bi-directional rectifier with only slight modification to the control software. This feature provides the possibility of building a back-to-back AC/DC/AC system using two identical hardware modules. An experimental...
The main theme of this paper is to present the analysis and design of an adapter for notebook computer. The contributions of this paper include the analysis and design of circuits, including PFC-OFF control and auxiliary circuit which significantly reduces the standby power consumption to meet the energy efficiency specifications under standby condition. Moreover, it is shown that these circuits don't...
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