论文标题
使用控制条件方法克服电流模式控制的高频限制 - 第二部分：实施和硬件
Overcoming High Frequency Limitations of Current-Mode Control Using a Control Conditioning Approach -- Part II: Implementation and Hardware
论文作者
论文摘要
本文是有关极限干扰（即峰值或山谷）电流模式控制的论文系列的第二部分，该电流模式控制适用于固定开关频率转换器和可变开关频率转换器。具体而言，本部分提出了减轻干扰不利影响的三种控制条件方法。这些方法是新的使用方法：（i）坡度补偿； （ii）低通滤波； （iii）比较驱动器 - 延迟的现象，用于控制条件。稳定性标准，闭环动力学和瞬态性能以每种方法的数学严格性得出。设计，讨论和比较进行了设计权衡。使用以多MHz开关频率运行的电源转换器在硬件中证明和验证了所有三种方法的有效性。
This article is the second part of a paper series about interference in extremum (i.e., peak or valley) current-mode control, which applies to both fixed and variable switching frequency power converters. Specifically, this part presents three control conditioning methods that mitigate the adverse effect of interference. These methods are new ways to use: (i) slope compensation; (ii) low-pass filtering; and (iii) the phenomenon of comparator-overdrive-delay, for control conditioning. The stability criterion, closed-loop dynamics, and transient performance are derived with mathematical rigor for each method. The design tradeoffs are illustrated, discussed, and compared. The effectiveness of all three methods are demonstrated and validated in hardware using a power converter operating at multi-MHz switching frequencies.
