Multi-phase voltage regulator and temperature monitoring method thereof

A temperature monitoring method of a multi-phase voltage regulator, comprising the following steps of:

• step 1a:
• providing a multi-phase voltage regulator, wherein the multi-phase voltage regulator comprises a controller and a plurality of power stages, the controller transmits a plurality of control signals to the plurality of power stages via a control terminal corresponding to each power stage, and wherein each of the plurality of power stages comprises a temperature sampling unit, outputs of the plurality of temperature sampling units connected in parallel with each other and connected to the controller;
• step 1b:
• exchanging a signal with each of the plurality of power stages by the controller in a time-sharing manner;
• and
• step 1c:
• when the controller exchanges the signal with one of the plurality of power stages, transmitting an output signal representing a temperature corresponding to the power stage to the controller via the control terminal of the power stage.