Simple Low-Cost Hysteretic Controller for Multiphase Synchronous Buck Converters

被引：16

作者：

Borrell, Angel ^{[1
]}

Castilla, Miguel ^{[2
]}

Miret, Jaume ^{[2
]}

Matas, Jose ^{[2
]}

Garcia de Vicuna, Luis ^{[2
]}

机构：

[1] Autonomous Univ Barcelona, Dept Elect Engn, Escola Univ Salesiana de Sarria, Barcelona 08017, Spain

[2] Tech Univ Catalonia, Dept Elect Engn, Barcelona 08800, Spain

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 06期

关键词：

Computer power supplies; current sharing; design methodology; interleaving; multiphase hysteretic control; voltage regulator; DESIGN;

D O I：

10.1109/TIE.2010.2060462

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a novel hysteretic controller for a multiphase synchronous buck converter supplying low voltage, high current, and high slew-rate loads. The control scheme implements the main control functions for powering such demanding loads, including output-voltage regulation, adaptive voltage positioning, current sharing, and phase interleaving. This paper also describes a control-design methodology based on output-impedance analysis. This design leads to optimal output-voltage transient response with a simple and low-cost control implementation. Simulation and experimental results are reported in order to validate the features of the novel control scheme.

引用

页码：2355 / 2365

页数：11

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