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	A buck DC-DC controller with digital PID compensation
	Meng Hao ; Jia Chen ; Chen Zhi-liang
	2010-05-07 ; 2010-05-07
关键词	Practical/ analogue-digital conversion CMOS digital integrated circuits DC-DC power convertors pulse width modulation PWM power convertors table lookup three-term control/ buck dc-dc controller digital PID compensation low voltage applications analog to digital conversion digital PID control algorithm digital PWM hybrid delay-line-counter DPWM look-up table zero-pole matching flash ADC CMOS process voltage 3.3 V voltage 1.25 V frequency 1 MHz current 800 mA voltage 3 V/ B1210 Power electronics, supply and supervisory circuits B1265H A/D and D/A convertors B2570D CMOS integrated circuits C3340H Control of electric power systems/ voltage 3.3E+00 V voltage 1.25E+00 V frequency 1.0E+06 Hz current 8.0E-01 A voltage 3.0E+00 V
中文摘要	A buck DC-DC controller with digital PID compensation was designed for low voltage applications. Analog to digital conversion, digital PID control algorithm and digital PWM were implemented in the circuit. An improved structure of hybrid delay-line/counter DPWM was used without dither patterns. And a look-up table based PID controller was designed using zero-pole matching. Finally, a flash ADC was used. The chip occupies 0.16 mm/sup 2/ active area in 3. 3 V CMOS process. For 3 V input and 1. 25 V output voltages, the circuit has a maximum load current up to 800 mA, a switching frequency of 1 MHz and a maximum efficiency up to 90%.
语种	中文 ; 中文
出版者	Sichuan Institute of Solid-State Circuits ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/16397]
专题	清华大学
推荐引用方式 GB/T 7714	Meng Hao,Jia Chen,Chen Zhi-liang. A buck DC-DC controller with digital PID compensation[J],2010, 2010.
APA	Meng Hao,Jia Chen,&Chen Zhi-liang.(2010).A buck DC-DC controller with digital PID compensation..
MLA	Meng Hao,et al."A buck DC-DC controller with digital PID compensation".(2010).

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