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US 2010/0072970 A1Published application
Adaptive voltage position dc-dc regulators and the method thereof
AssigneeMonolithic Power Systems, Inc.
InventorQian Ouyang
Life of this patent
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Abstract
The present invention discloses an adaptive voltage position DC-DC regulator and the method thereof, the regulator comprising a main circuit and a control circuit which includes a sensing unit, a feedback unit, a comparing unit, a PWM generator and a driver. The regulator realizes the adaptive voltage position control with simple internal circuit and fewer pins.
Claims25
An adaptive voltage position DC-DC regulator, comprising:
- a main circuit,
- and a control circuit, wherein the control circuit comprises:
- a sensing unit, electrically coupled to the main circuit, operable to provide a sensing signal;
- a feedback unit, electrically coupled to the sensing unit, operable to provide a feedback signal;
- a comparing unit, electrically coupled to the feedback unit, operable to provide a comparison signal;
- a PWM generator, electrically coupled to the comparing unit, operable to provide a PWM signal;
- and
- a driver, electrically coupled to the PWM generator, operable to provide a driving signal to the main circuit.
5 more elements
An adaptive voltage position control method for the DC-DC regulator that includes a main circuit and a control circuit, comprising:
- sensing the output current of the main circuit;
- converting the sensed current into a corresponding voltage signal;
- feeding back the voltage signal to get a feedback signal;
- comparing the feedback signal with a pre-determined value to get a comparison signal;
- sending the comparison signal to a PWM generator to get a PWM signal;
- sending the PWM signal to a driver to get a driving signal;
- sending the driving signal to the main circuit.
4 more elements
Dependencies are inferred from the claim text.