Patent ID: 11863060
Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 10:
11. A server comprising a control circuit of a buck converter, the control circuit of a buck converter comprising:
a first transistor, a base electrode of the first transistor receiving an output voltage of the buck converter;
a second transistor, a base electrode of the second transistor being connected to an emitter electrode of the first transistor;
a third transistor, a base electrode of the third transistor being connected to a collector electrode of the second transistor;
a first resistor, one end of the first resistor being connected to a collector electrode of the third transistor;
a second resistor, one end of the second resistor being connected to the other end of the first resistor;
a fourth transistor, a collector electrode of the fourth transistor being connected to the other end of the second resistor;
a third resistor, one end of the third resistor being connected to an emitter electrode of the third transistor, and the other end of the third resistor receiving a phase voltage of the buck converter;
a fourth resistor, one end of the fourth resistor being connected to an emitter electrode of the fourth transistor and the other end of the fourth resistor being connected to a collector electrode of the first transistor;
a fifth resistor and a sixth resistor, one end of the fifth resistor being connected to the base electrode of the third transistor, the other end of the fifth resistor being connected to one end of the sixth resistor, and the other end of the sixth resistor being connected to a base electrode of the fourth transistor;
a seventh resistor, one end of the seventh resistor being connected to an emitter electrode of the second transistor and the other end of the seventh resistor being connected to a collector electrode of the first transistor; and a comparator, a positive input end of the comparator being connected to the collector electrode of the fourth transistor, a negative input end of the comparator being connected to the collector electrode of the third transistor, and an output end of the comparator being connected to a controller of the buck converter.