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US 7,545,130 B2Granted
Non-linear controller for switching power supply
AssigneeL&L Engineering, LLC
InventorPaul Latham
Life of this patent
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Abstract
Methods and systems for nonlinear control of switching power supplies.
Claims43
A controller for switching power supplies, the controller comprising:
- a nonlinear controller component providing a switch state to a switch driver, said switch state corresponding to predetermined switching power supply state variables;
- said switch state being obtained from a nonlinear relationship between switch states and power supply state variables;
- said nonlinear controller component being operatively connected to receive as inputs at least one predetermined switching power supply state variable;
- said nonlinear relationship between switch states and at least one predetermined switching power supply state variable being obtained by optimizing, utilizing optimization techniques, a predetermined function of said switch states and internal states.
1 more element
A system comprising:
- a switching power supply comprising:
- a circuit comprising at least two reactive components configured to provide an output voltage and capable of being switched from one output voltage state to another output voltage state,
- at least one switching component, said at least one switching component operatively connected to switch said circuit between at least two switching states, said at least two switching states comprising said one output voltage state and said another output voltage state,
- a driver component operatively connected to receive an input control signal and also operatively connected to drive the at least one switching component in order to cause switching between two of said at least two switching states;
- and
- a nonlinear controller component operatively connected to provide a switching state to said driver component, said switching state corresponding to predetermined switching power supply state variables;
- said nonlinear controller component being operatively connected to receive as inputs predetermined switching power supply state variables;
- said
- switch state being obtained from a nonlinear relationship between switch states and power supply state variables;
- said nonlinear relationship between switch states and predetermined switching power supply state variables being obtained by optimizing, utilizing optimization techniques, a predetermined function of said switch states and internal states.
7 more elements
A method for controlling a switching power supply, the method comprising the steps of:
- minimizing, utilizing optimization techniques, a function of switching states and internal states of the switching power supply;
- obtaining, from said minimizing, a nonlinear relationship between switching states and predetermined switching power supply state variables;
- providing a switching state to a switch driver in the switching power supply.
Dependencies are inferred from the claim text.