Sensing a phase-path current in a multiphase power supply such as a coupled-inductor power supply

作者: Jun Liu , Shangyang Xiao , Weihong Qiu

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摘要: An embodiment of a power supply includes output node, phase paths, and sensor circuits. The node is operable to carry regulated voltage, each path has respective phase-path non-output coupled the current. And circuit nodes generate sense signal that represents current flowing through one paths. For example, where paths are magnetically another, circuits take into account portions currents induced by magnetic couplings signals more accurately represent as compared conventional