Development of a Mixed-Signal PFC Control IC with Fast Dynamic Response

被引：0

作者：

Chan, Ming-Hau ^{[1
]}

Lin, Yu-Tzung ^{[1
]}

Tzou, Ying-Yu ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Elect & Control Engn, Power Elect Syst & Chips Lab, Hsinchu, Taiwan

来源：

2009 IEEE 6TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-4 | 2009年

关键词：

Power-factor-correction (PFC); critical-conduction-mode (CRM); mixed-signal control; analog comparator; fast dynamic response; digital notch filter;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a mixed-signal power-factor-correction (PFC) control IC for the single-phase critical-conduction-mode (CRM) boost AC/DC converters. The peak current mode control is used and realized by using the analog circuit technique. The outer voltage loop control adopts digital control technique to implement. This paper analyzes effect of the hysteresis band of the comparator in current loop is implemented by analog circuit. In digital voltage loop, this paper proposes usage of a digital notch filter to achieve fast dynamic response under large step load variations while maintaining a low total-harmonic-distortion (THD) and a high power factor (PF). The proposed mixed-signal PFC control scheme has been verified by using computer simulation via PSIM and Simplis to validate feasibility.

引用

页码：332 / 336

页数：5

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