Power supply control
First Claim
Patent Images
1. A method, comprising:
- simultaneously driving a load via first and second magnetically coupled regulator phases for a first duration;
uncoupling one of the phases from the load after the first duration; and
after uncoupling the one phase from the load, allowing a current through the one phase to decay.
3 Assignments
0 Petitions
Accused Products
Abstract
A method includes simultaneously driving a load via first and second magnetically coupled regulator phases for a first duration, uncoupling one of the phases from the load after the first duration, and, after uncoupling the one phase from the load, allowing a current through the one phase to decay. For example, such a method allows energy stored in the uncoupled phase to be recaptured to the output transient response of a power supply.
190 Citations
32 Claims
-
1. A method, comprising:
-
simultaneously driving a load via first and second magnetically coupled regulator phases for a first duration; uncoupling one of the phases from the load after the first duration; and after uncoupling the one phase from the load, allowing a current through the one phase to decay. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A method, comprising:
-
causing a first current to flow from an input power source, through a first regulator phase, and into a load; and magnetically inducing with the first current a second current that flows through a second regulator phase and into the input power source. - View Dependent Claims (8, 9, 10, 11, 12)
-
-
13. A controller operable to:
-
simultaneously drive a load via first and second magnetically coupled windings for a first duration; uncouple one of the windings from the load after the first duration; and allow a current through the one winding to decay after uncoupling the one winding from the load. - View Dependent Claims (14, 15, 16)
-
-
17. A controller operable:
-
to direct a first current from an input power source, through a first regulator phase, and into a load; and to direct into the input power source a second current magnetically induced by the first current in a second regulator phase. - View Dependent Claims (18, 19, 20)
-
-
21. A power supply, comprising:
-
first and second magnetically coupled windings; and a controller operable to simultaneously drive a load via the first and second magnetically coupled windings for a first duration; to uncouple one of the windings from the load after the first duration; and to allow a current through the one winding to decay after uncoupling the one winding from the load.
-
-
22. A power supply, comprising:
-
first and second regulator phases; and a controller operable to direct a first current from an input power source, through the first regulator phase, and into a load; and to direct into the input power source a second current magnetically induced by the first current in the second regulator phase.
-
-
23. A system, comprising:
-
a load; and a power supply including first and second magnetically coupled windings; and a controller operable to simultaneously drive the load via the first and second magnetically coupled windings for a first duration; to uncouple one of the windings from the load after the first duration; and to allow a current through the one winding to decay after uncoupling the one winding from the load. - View Dependent Claims (24, 25, 26, 27)
-
-
28. A system, comprising:
-
a load; and a power supply including first and second regulator phases; and a controller operable to direct a first current from an input power source, through the first regulator phase, and into the load; and to direct into the input power source a second current magnetically induced by the first current in the second regulator phase. - View Dependent Claims (29, 30, 31, 32)
-
Specification