Power stage control circuit applied to voltage converter

A power stage control circuit applied to a voltage converter, wherein the voltage converter comprises a power stage, the power stage comprises a first switch and a second switch, the first switch and the second switch are connected in series between an input voltage and a first reference voltage, the input voltage is higher than the first reference voltage, and the power stage control circuit comprises:

• a current sensing circuit, arranged to sense a current associated with the first switch, and convert the current into a sensing voltage;
• a control circuit, arranged to perform multiple first logical operations according to the sensing voltage, a second switch driving signal, a zero crossing detection voltage, a compensation voltage, and a second reference voltage, in order to generate a modulation signal and a determination signal, for controlling turn-on and turn-off of the first switch and the second switch and dynamically setting an inductor peak current of an inductor, respectively, wherein the inductor has a first terminal coupled between the first switch and the second switch, and a second terminal coupled to an output pin providing an output voltage;
• and
• a driving circuit, arranged to perform multiple second logical operations according to the modulation signal and the determination signal in order to generate a first switch driving signal and the second switch driving signal, for driving the first switch and the second switch, respectively.