Dimmer interface circuit and buffer stage circuit therein
The invention relates to a dimmer interface circuit and a buffer stage circuit therein. The dimmer interface circuit includes a buffer stage circuit and a pulse width modulation control circuit. The buffer stage circuit is used for converting a dimming input signal into a dimming buffer signal. The...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
23.07.2021
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Subjects | |
Online Access | Get full text |
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Abstract | The invention relates to a dimmer interface circuit and a buffer stage circuit therein. The dimmer interface circuit includes a buffer stage circuit and a pulse width modulation control circuit. The buffer stage circuit is used for converting a dimming input signal into a dimming buffer signal. The buffer stage circuit includes a power rail generation circuit configured to adaptively generate a power rail according to a dimming input signal such that the dimming input signal is between a high voltage and a low voltage of the power rail, and an amplifying circuit used for receiving a dimming input signal and generating a dimming buffer signal. The power rail is used for supplying power to the amplifying circuit, and the amplifying circuit is completely operated between a high voltage and a low voltage. The pulse width modulation control circuit is coupled with the buffer stage circuit and is used for converting the dimming buffer signal into a pulse width modulation dimming signal so as to adjust the brightnes |
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AbstractList | The invention relates to a dimmer interface circuit and a buffer stage circuit therein. The dimmer interface circuit includes a buffer stage circuit and a pulse width modulation control circuit. The buffer stage circuit is used for converting a dimming input signal into a dimming buffer signal. The buffer stage circuit includes a power rail generation circuit configured to adaptively generate a power rail according to a dimming input signal such that the dimming input signal is between a high voltage and a low voltage of the power rail, and an amplifying circuit used for receiving a dimming input signal and generating a dimming buffer signal. The power rail is used for supplying power to the amplifying circuit, and the amplifying circuit is completely operated between a high voltage and a low voltage. The pulse width modulation control circuit is coupled with the buffer stage circuit and is used for converting the dimming buffer signal into a pulse width modulation dimming signal so as to adjust the brightnes |
Author | QIU RENLIAN CHEN YAOZHOU ZHANG YUWEN |
Author_xml | – fullname: QIU RENLIAN – fullname: ZHANG YUWEN – fullname: CHEN YAOZHOU |
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Discipline | Medicine Chemistry Sciences |
DocumentTitleAlternate | 调光器接口电路及其中的缓冲级电路 |
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Notes | Application Number: CN202010074862 |
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RelatedCompanies | RICHTEK TECHNOLOGY CORP |
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Snippet | The invention relates to a dimmer interface circuit and a buffer stage circuit therein. The dimmer interface circuit includes a buffer stage circuit and a... |
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SubjectTerms | ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY |
Title | Dimmer interface circuit and buffer stage circuit therein |
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