Method and apparatus for controlling programmable power converter
First Claim
1. A circuit for controlling a programmable power converter, comprising:
- a micro-controller, having a program memory and a data memory; and
a controller, generating switching signals in response to a voltage-feedback signal for regulating an output voltage of said programmable power converter, wherein said controller comprises;
a voltage error amplifier, generating said voltage-feedback signal according to a voltage reference signal and said output voltage of said programmable power converters; and
a current error amplifier, generating a current-feedback signal according to a current reference signal and an output current of said programmable power converter;
wherein said controller generates said switching signals according to said current feedback signal to regulate said output current of said programmable power converter,wherein a gain of said voltage error amplifier and a value of said voltage reference signal are programmed by said micro-controller, andwherein a gain of said current error amplifier is controlled by said micro-controller.
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Abstract
The present invention provides a circuit for controlling a programmable power converter. The circuit includes a micro-controller, a controller, and a timer. The controller includes a voltage error amplifier. The micro-controller has a program memory and a data memory. The controller generates switching signals in response to a voltage-feedback signal for regulating an output voltage of the programmable power converter. The voltage error amplifier generates the voltage-feedback signal according to a voltage reference signal and the output voltage of the programmable power converter. A gain of the voltage error amplifier and a value of the reference signal are programmed by the micro-controller.
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Citations
12 Claims
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1. A circuit for controlling a programmable power converter, comprising:
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a micro-controller, having a program memory and a data memory; and a controller, generating switching signals in response to a voltage-feedback signal for regulating an output voltage of said programmable power converter, wherein said controller comprises; a voltage error amplifier, generating said voltage-feedback signal according to a voltage reference signal and said output voltage of said programmable power converters; and a current error amplifier, generating a current-feedback signal according to a current reference signal and an output current of said programmable power converter; wherein said controller generates said switching signals according to said current feedback signal to regulate said output current of said programmable power converter, wherein a gain of said voltage error amplifier and a value of said voltage reference signal are programmed by said micro-controller, and wherein a gain of said current error amplifier is controlled by said micro-controller. - View Dependent Claims (2, 3, 4, 5)
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6. A method for controlling a programmable power converter, comprising:
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generating switching signals in response to a voltage-feedback signal for regulating an output voltage of said programmable power converter; generating said voltage-feedback signal by a voltage error amplifier according to a voltage reference signal and said output voltage of said programmable power converter, and generating a current-feedback signal by a current error amplifier according to a current reference signal and an output current of said programmable power converter, wherein said current-feedback signal is coupled to control said switching signals for regulating said output current of said programmable power converter, wherein said voltage reference signal and a frequency of said switching signals are programmed by a micro-controller, and said micro-controller includes a program memory and a data memory, and wherein a gain of said voltage error amplifier is controlled by said micro-controller, and wherein said current reference signal is controlled by said micro-controller, and a pain of said current error amplifier is controlled by said micro-controller. - View Dependent Claims (7, 8, 9)
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10. A method for controlling a programmable power converter, comprising:
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generating a switching signal in response to a voltage-feedback signal for regulating an output voltage of said programmable power converter; generating said switching signal in response to a current-feedback signal for regulating an output current of said programmable power converter; generating said voltage-feedback signal by a voltage error amplifier according to a voltage reference signal and said output voltage of said programmable power converter; and generating said current-feedback signal by a current error amplifier according to a current reference signal and said output current of said programmable power converter, wherein said voltage reference signal and said current reference signal are programmed by a micro-controller, wherein said micro-controller includes a program memory and a data memory, and wherein a gain of said current error amplifier is controlled by said micro-controller. - View Dependent Claims (11, 12)
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Specification