A Novel Buck Converter with Dual Loops Control Mechanism

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/126204

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题名:	A Novel Buck Converter with Dual Loops Control Mechanism
作者:	Chou, Hsiao-Hsing;Luo, Wen-Hao;Chen, Hsin-Liang;Wang, San-Fu
关键词:	adaptive on time (AOT);peak current mode (PCM);current mode control (CMC);voltage mode control (VMC);average current mode (ACM);constant on time (COT)
日期:	2022-04-13
上传时间:	2024-09-20 12:05:56 (UTC+8)
摘要:	This paper presents a novel buck converter with dual-loop control technology, which does not need to detect the inductor current directly. The structure of the control loops is easy to implement, one loop controls the output voltage, and the other controls the switching frequency. With the dual loops control mechanism, the output voltage and switching frequency can be accurately controlled only by measuring the output and input voltage, without sensing the inductor current. The buck converter can generate an output voltage of 1.0–2.5 V when the input voltage and load current are 3.0–3.6 V and 100–500 mA, respectively. The design was verified by SIMPLIS. The simulation results show that the switching frequency variation is less than 1% at the output voltage of 1.0–2.5 V. The recovery time is less than 1.5 μs during the load change. The circuit can be fabricated by using the TSMC 0.35μm 2P4M CMOS processes. The control scheme, theoretical analysis and circuit implementation are presented in this paper.
關聯:	Electronics , 11(8)
DOI:	10.3390/electronics11081256
显示于类别:	[電機工程學系暨研究所] 期刊論文

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