Multiphase power supply with status synchronization
AssigneeChengdu Monolithic Power Systems Co., Ltd.
InventorLei Li
Life of this patent
Estimating the term…
Abstract
A multiphase power supply has a plurality of integrated circuits, which respectively have a converter and a controller. Each of the integrated circuits further has a status pin and a set pin. All the status pins are coupled together, and all the set pins are coupled together, to have the multiphase power supply provide great coordination between the controllers.
Claims15
A multiphase power supply, comprising:
- a plurality of integrated circuits, each of the integrated circuits having:
- an input pin, configured to receive an input voltage;
- a converter, configured to convert the input voltage to a desired output voltage;
- and
- a status pin, wherein the status pins of all the integrated circuits are coupled together, to synchronize a state of all the integrated circuits;
- and wherein the state of the integrated circuits comprises:
- a power on state, a power off state, and a normal operation state.
A multiphase power supply, comprising:
- a plurality of integrated circuits configured to convert an input voltage to an output voltage, each of the integrated circuits having:
- an input pin, configured to receive the input voltage;
- a status pin, wherein the status pins of all the integrated circuits are coupled together, to synchronize a state of all the integrated circuits;
- and
- a set pin, wherein the set pins of all the integrated circuits are coupled together, to set a switching frequency of the integrated circuits;
- and wherein the state of the integrated circuits comprises:
- a power on state, a power off state, and a normal operation state.
An integrated circuit used in a multiphase power supply, wherein the multiphase power supply includes a plurality of integrated circuits, each of the integrated circuit comprising:
- an input pin, configured to receive an input voltage;
- a converter, configured to convert the input voltage to a desired output voltage;
- and
- a status pin, wherein the status pins of all the integrated circuits are coupled together, to synchronize a state of all the integrated circuits;
- and wherein the state comprises:
- a power on state, a power off state, and a normal operation state.
Dependencies are inferred from the claim text.