Integrated controller, method of operation thereof and power supply employing the same
First Claim
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1. An integrated controller for use with a power supply employing a pulse width modulator, comprising:
- a primary control circuit configured to provide a control signal to said pulse width modulator; and
a feedback circuit configured to monitor an output signal of said pulse width modulator and to modify said control signal to enable a substantially monotonic increase in an output voltage of the power supply during a non-steady state period of operation thereof.
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Abstract
The present invention provides an integrated controller for use with a power supply employing a pulse width modulator and a method of operation thereof. In one embodiment, the integrated controller includes a primary control circuit configured to provide a control signal to the pulse width modulator. Additionally, the integrated controller includes a feedback circuit configured to monitor an output signal of the pulse width modulator and to modify the control signal thereby enabling a substantially monotonic increase in an output voltage of the power supply output voltage during a non-steady state period of operation thereof.
66 Citations
20 Claims
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1. An integrated controller for use with a power supply employing a pulse width modulator, comprising:
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a primary control circuit configured to provide a control signal to said pulse width modulator; and
a feedback circuit configured to monitor an output signal of said pulse width modulator and to modify said control signal to enable a substantially monotonic increase in an output voltage of the power supply during a non-steady state period of operation thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of operating a power supply employing a pulse width modulator, comprising:
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providing a control signal to said pulse width modulator;
monitoring an output signal of said pulse width modulator; and
modifying said control signal to enable a substantially monotonic increase in an output voltage of the power supply during a non-steady state period of operation thereof. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A power supply, comprising:
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a power stage that provides an output voltage;
a pulse width modulator that provides an output signal to a power switch of said power stage;
an integrated controller, including;
a primary control circuit that provides a control signal to said pulse width modulator, and a feedback circuit that monitors said output signal of said pulse width modulator and modifies said control signal to enable a substantially monotonic increase in said output voltage during a non-steady state period of operation of said power supply; and
a secondary control circuit that is coupled to an output of said power supply and coupled to said integrated controller. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification
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Current AssigneeABB Power Electronics Inc. (ABB Ltd.)
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Original AssigneeTyco Electronics Power Systems Incorporated (General Electric Company)
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InventorsBowman, Wayne C., Wang, Thomas G.
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Primary Examiner(s)Han, Jessica
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Application NumberUS10/187,639Time in Patent Office595 DaysField of Search363/21.01, 363/21.1, 363/21.11, 363/21.18, 363/26, 363/40, 363/41, 363/49, 363/56.01, 363/56.09, 363/97, 363/131US Class Current363/97CPC Class CodesH02M 1/0041 Control circuits in which a...H02M 1/32 Means for protecting conver...H02M 1/36 Means for starting or stopp...H02M 3/33523 with galvanic isolation bet...
