Abstract
The electricity problems in some regions are different, it can be caused by various things e.g power outages and lack of electricity availability. Whereas the need for electrical energy is increasing as human needs increase. The importance of electricity supply for electronic equipment during disaster or emergency condition forces the electricity needs to be fulfilled and supplied continuously. An emergency power supply is commonly used to solve these problems. However, most of the emergency power supply is only intended for single-input single-output needs. This paper refers to a single-input multi-output flyback converter as an emergency power supply that can provide a multi-output system that has two different output voltage levels, which is specified for charging notebook and cell phone using a PI controller as a voltage regulator. Based on the simulation result, the system can obtain the desired output voltage (19 V and 9.5 V) and also can reach the steady-state response in 0.017 s.
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