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Content Provider | IEEE Xplore Digital Library |
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Author | Shuibao Guo Yanxia Gao Yanping Xu Xuefang Lin-Shi Allard, B. |
Copyright Year | 2009 |
Description | Author affiliation: Université de Lyon, AMPERE, INSA Lyon, CNRS UMR 5005, Villeurbanne, 69621, France (Xuefang Lin-Shi; Allard, B.) || School of Mechanical&Electronic Engineering and Automation, Shanghai University, 200072, China (Shuibao Guo; Yanxia Gao; Yanping Xu) |
Abstract | This paper presents a fully synthesizable digital controller for high-frequency low-power DC-DC switching mode power supply (SMPS). Key module of the digital controller is a Hybrid digital pulse-width modulator (DPWM), which takes advantage of Digital Clock Manager (DCM) phase-shift characteristics available in FPGA resource and combines a counter-comparator with multi-bit Delta-Sigma (Δ-Σ) Multi-stAge-noise-SHaping (MASH) modulator. A digital controller which includes the proposed Hybrid Δ-Σ DPWM and a digital PID algorithm is experimentally verified using an FPGA on a high-frequency low-power discrete synchronous buck converter. Experimental results with constant switching frequency up to 4MHz validate the functionality of the proposed digital controller. In addition, the digital controller is implemented in a 0.35 µm standard CMOS. |
Starting Page | 1340 |
Ending Page | 1346 |
File Size | 433000 |
Page Count | 7 |
File Format | |
ISBN | 9781424435562 |
DOI | 10.1109/IPEMC.2009.5157592 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-05-17 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Pulse width modulation Digital control Power supplies Switched-mode power supply Phase modulation Delta modulation Digital modulation Field programmable gate arrays Space vector pulse width modulation Pulsed power supplies FPGA implementation High-frequency low-power SMPS Delta-Sigma DPWM DCM phase-shift |
Content Type | Text |
Resource Type | Article |
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