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US 9,871,448 B2Granted
Super N-phase switching mode power supply
AssigneeNVIDIA Corporation
InventorMing Yan
Life of this patent
Estimating the term…
Abstract
A power supply system. The power system includes a power supply controller for supplying a control signal. The power system also includes a plurality of MOSFET drivers controlled by the control signal. The power system also includes a plurality of power channels. Each of the power channels includes a plurality of MOSFETs that is controlled by a corresponding MOSFET driver. The plurality of power channels is configured to generate a plurality of power signals, wherein the control signal controls delivery of the plurality of power signals through each of the power channels.
Claims15
A power system, comprising:
- a power supply controller for supplying a control signal;
- a plurality of MOSFET drivers controlled by said control signal;
- and
- a plurality of power supply channels wherein each power supply channel comprises a plurality of MOSFETs and
- a corresponding MOSFET driver of said plurality of MOSFET drivers and
- wherein said plurality of MOSFETs are controlled by said corresponding MOSFET driver, and
- wherein said plurality of power supply channels is configured to generate a plurality of power signals,
- wherein each of the plurality of MOSFET drivers have a same duty cycle characteristic and
- operate synchronously with remaining MOSFET drivers and
- wherein said plurality of MOSFETs of each power supply channel comprises:
- a high side MOSFET coupled to a positive voltage source and to a load;
- and
- a low side MOSFET coupled to said load and a negative voltage source,
- wherein said high side MOSFET and low side MOSFET are configured as a switching mode power supply.
11 more elements
A power system, comprising:
- a multi-phase power supply controller for supplying a plurality of control signals;
- a plurality of MOSFET drivers,
- wherein said plurality of MOSFET drivers are controlled by a corresponding control signal of said plurality of control signals;
- a plurality of power channels,
- wherein said plurality of power channels comprises a plurality of power supply channels each power supply channel comprising a plurality of MOSFETs and a corresponding MOSFET driver of said plurality of MOSFET drivers wherein said plurality of MOSFETs is driven by said corresponding MOSFET driver, and
- wherein each of said plurality of power channels generates a corresponding plurality of power signals,
- wherein each of said plurality of MOSFET drivers have a same duty cycle characteristic and operate synchronously with remaining MOSFET drivers and
- wherein said plurality of MOSFETs comprises:
- a high side MOSFET coupled to a positive voltage source and to a load;
- and
- a low side MOSFET coupled to said load and a negative voltage source,
- wherein said high side MOSFET and low side MOSFET are configured as a switching mode power supply.
9 more elements
A method for supplying power, the method comprising:
- providing a control signal;
- controlling a plurality of MOSFET drivers using said control signal;
- providing a plurality of power supply channels,
- wherein each power supply channel comprises a plurality of MOSFETs and a corresponding MOSFET driver of said plurality of MOSFET drivers;
- controlling a plurality of MOSFETs of a corresponding power supply channel by a corresponding MOSFET driver of said plurality of MOSFET drivers,
- wherein each of said plurality of MOSFET drivers have a same duty cycle characteristic and operate synchronously with remaining MOSFET drivers and
- wherein said plurality of MOSFETs of each power supply channel comprises:
- a high side MOSFET coupled to a positive voltage source and to a load;
- and
- a low side MOSFET coupled to said load and a negative voltage source, wherein said high side MOSFET and low side MOSFET are configured as a switching mode power supply;
- and
- generating a plurality of power signals from said plurality of power supply channels.
9 more elements
Dependencies are inferred from the claim text.