Importance

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Abstract

Provided herein is a phase controller for a multi-phase voltage converter. The phase controller includes a plurality of logic control circuits, a phase selection circuit and a plurality of signal generators. The logic control circuits receive a plurality of phase-change signals and output a plurality of logic signals, respectively. The signal generators provide a plurality of bridge circuits with a plurality of phase selection signals to drive the bridge circuits. The phase selection circuit controls the signal generators according to the logic signals and a voltage determination signal. When the voltage determination signal stays at a high logic level for a pre-determined time period, the phase selection circuit controls the signal generators to output a plurality of phase selection signals at a high logic level to the bridge circuits such that the corresponding bridge circuits provide power at the same time.

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First Claim