Multi-phase voltage regulator and temperature monitoring method thereof

The invention relates to a multi-phase voltage regulator and a temperature monitoring method thereof, and the method is characterized in that the method comprises the following steps: 1a, a multi-phase voltage regulator is provided, the multi-phase voltage regulator comprises a controller and a plurality of power levels, the controller sends a corresponding control signal to each power level, each power level comprises a temperature sampling unit, and the temperature sampling unit is connected with the controller; and one output end of each temperature sampling unit is connected with the controller in parallel. And step 1b, the controller performs signal exchange with the temperature sampling unit of each power level in a time-sharing manner. And step 1c, when the controller exchanges signals with the temperature sampling unit of a certain power level, the temperature sampling unit transmits an output signal representing the temperature of the corresponding power level to the controller through the output end