 技術摘要 / Our Technology： |
一種用於直流/直流轉換器的控制裝置,其包括第一誤差放大器、取樣保持控制電路、濾波器、第二誤差放大器與開關控制電路。第一誤差放大器比較參考電壓信號與輸出電壓而產生回授信號。取樣保持控制電路耦接第一誤差放大器,並依據回授信號與輸入電流而產生參考電流信號。濾波器依據輸入電流而產生電流平均値。第二誤差放大器耦接取樣保持控制電路與濾波器,並比較參考電流信號與電流平均値而產生控制信號。開關控制電路耦接第二誤差放大器,並依據控制信號而產生切換信號,切換信號用以控制直流/直流轉換器之開關元件的導通時間。
A control device for a DC-DC converter, which receives an input power and generates an output voltage, includes a first error amplifier for comparing a reference voltage signal and the output voltage to generate a feedback signal, a sampling and holding control circuit coupled to the first error amplifier for generating a reference current signal according to the feedback signal and an input current associated with the input power, a filter for receiving the input current associated with the input power and generating an average current value according to the input current, a second error amplifier coupled to the sampling and holding and the filter for comparing the reference current signal and the average current value before generating a control signal, and a switching control circuit coupled to the second error amplifier for generating a switching signal according to the control signal from the second error amplifier.
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| 專利簡述 / Intellectual Properties： |
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聯繫方式 / Contact： |
| 臺大產學合作總中心 / Center of Industry-Academia Collaboration, NTU |
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| Email：ordiac@ntu.edu.tw |
電話/Tel：02-3366-9945 |
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專利行銷平台