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Different from conventional multiphase switched-capacitor (SC) DC-DC converters, the proposed unsymmetrical parallel switched-capacitor (UP-SC) regulator provides more controllable input variables to increase available conversion ratios for improved load regulation. Even under higher conversion ratio numbers, the UP-SC regulator uses the fast searching optimum ratio (FSOR) technique to search the...
In this paper, a digitally controlled Single Input Dual Output (SIDO) buck converter with Phase Sequence Interchange (PSI) scheme for reducing transient cross-regulation is proposed. The PSI scheme is especially designed to solve cross-regulation problem that is usually seen when load steps up in a voltage-mode SIDO buck converter operating in continuous conduction mode (CCM). In addition, a discharging...
In this paper, a current control scheme with switching-gain adaptation is proposed for brushless DC motors. The scheme includes two components, namely a continuous control component and a switching control component. The continuous control component is employed with model reference adaptive control (MRAC) to approximate the parametric uncertainties, and the switching control component is used with...
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