Implementation of 8MHz Current-Mode Buck DC-DC Converter
碩士 === 國立交通大學 === 電機學院IC設計產業專班 === 95 === This thesis proposes a new DC-DC switching converter with a high switching frequency for reducing the size of the output filter. Owing to the high switching frequency, the on-chip output filter in DC-DC switching converter is possible in the future. Thus, ho...
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ndltd-TW-095NCTU53340322016-05-04T04:16:30Z http://ndltd.ncl.edu.tw/handle/17297645957351678156 Implementation of 8MHz Current-Mode Buck DC-DC Converter 8MHz電流控制模式直流轉直流降壓電源轉換器之電路實現 Yu-Hui, Sung 宋玉惠 碩士 國立交通大學 電機學院IC設計產業專班 95 This thesis proposes a new DC-DC switching converter with a high switching frequency for reducing the size of the output filter. Owing to the high switching frequency, the on-chip output filter in DC-DC switching converter is possible in the future. Thus, how to develop a DC-DC switching converter with high switching frequency is important in today’s technology. Therefore, a compact solution is needed to effectively reduce the footprint area of the power management module in system-on-chip (SoC) systems. Furthermore, a high performance power converter module is also needed to provide a regulated and stable supply voltage to the SoC systems because the operation voltage of the SoC systems is too low to have a good signal-to-noise ratio. For providing a high performance supply voltage, the current-mode technique is utilized to get better line and load regulations. However, the current sensing accuracy and response time is seriously affected by the high switching frequency. A high accuracy and small response time current sensor is also proposed in this thesis. In thesis, we implement an 8 MHz current-mode buck DC-DC converter with good line and load regulations. The chip is implemented by tsmc 2P4M 0.35u CMOS process. The range of the operation voltage is from 2.6V to 3.3V. The load regulation and line regulation are 0.88uV/mA and 4.67mV/V. The chip features smaller output filter elements and fast response, which makes it suitable for power management in the portable devices. Ke-Horng, Chen 陳科宏 2007 學位論文 ; thesis 89 zh-TW |
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碩士 === 國立交通大學 === 電機學院IC設計產業專班 === 95 === This thesis proposes a new DC-DC switching converter with a high switching frequency for reducing the size of the output filter. Owing to the high switching frequency, the on-chip output filter in DC-DC switching converter is possible in the future. Thus, how to develop a DC-DC switching converter with high switching frequency is important in today’s technology. Therefore, a compact solution is needed to effectively reduce the footprint area of the power management module in system-on-chip (SoC) systems. Furthermore, a high performance power converter module is also needed to provide a regulated and stable supply voltage to the SoC systems because the operation voltage of the SoC systems is too low to have a good signal-to-noise ratio. For providing a high performance supply voltage, the current-mode technique is utilized to get better line and load regulations. However, the current sensing accuracy and response time is seriously affected by the high switching frequency. A high accuracy and small response time current sensor is also proposed in this thesis.
In thesis, we implement an 8 MHz current-mode buck DC-DC converter with good line and load regulations. The chip is implemented by tsmc 2P4M 0.35u CMOS process. The range of the operation voltage is from 2.6V to 3.3V. The load regulation and line regulation are 0.88uV/mA and 4.67mV/V. The chip features smaller output filter elements and fast response, which makes it suitable for power management in the portable devices.
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Ke-Horng, Chen |
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Ke-Horng, Chen Yu-Hui, Sung 宋玉惠 |
author |
Yu-Hui, Sung 宋玉惠 |
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Yu-Hui, Sung 宋玉惠 Implementation of 8MHz Current-Mode Buck DC-DC Converter |
author_sort |
Yu-Hui, Sung |
title |
Implementation of 8MHz Current-Mode Buck DC-DC Converter |
title_short |
Implementation of 8MHz Current-Mode Buck DC-DC Converter |
title_full |
Implementation of 8MHz Current-Mode Buck DC-DC Converter |
title_fullStr |
Implementation of 8MHz Current-Mode Buck DC-DC Converter |
title_full_unstemmed |
Implementation of 8MHz Current-Mode Buck DC-DC Converter |
title_sort |
implementation of 8mhz current-mode buck dc-dc converter |
publishDate |
2007 |
url |
http://ndltd.ncl.edu.tw/handle/17297645957351678156 |
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