Method for reducing standby power, related controller, and switch mode power supply
The invention relates to a method for reducing standby power, a related controller, and a switch mode power supply. In a power supply having a control circuit for regulating the power supply output and a load switch for connecting the output to a load device, a method for reducing standby power incl...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
15.09.2020
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Abstract | The invention relates to a method for reducing standby power, a related controller, and a switch mode power supply. In a power supply having a control circuit for regulating the power supply output and a load switch for connecting the output to a load device, a method for reducing standby power includes determining if a load device is connected to the power supply. If no load device is connected,the load switch is turned off, and the power supply enters a standby mode, which includes alternating first time period of power-saving mode and second time period of regulating mode. In the power-saving mode, the control circuit stops regulating the output of the power supply and turns off one or more functional blocks to allow the output to drop, until the output reaches a pre-set low output limit. In the regulating mode, the control circuit turns on the functional blocks and regulates the power supply to allow the output to increase, until the output reaches a pre-set high output limit.
本申请涉及用于减小待用功率的方法和相关控制器及开关模式电 |
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AbstractList | The invention relates to a method for reducing standby power, a related controller, and a switch mode power supply. In a power supply having a control circuit for regulating the power supply output and a load switch for connecting the output to a load device, a method for reducing standby power includes determining if a load device is connected to the power supply. If no load device is connected,the load switch is turned off, and the power supply enters a standby mode, which includes alternating first time period of power-saving mode and second time period of regulating mode. In the power-saving mode, the control circuit stops regulating the output of the power supply and turns off one or more functional blocks to allow the output to drop, until the output reaches a pre-set low output limit. In the regulating mode, the control circuit turns on the functional blocks and regulates the power supply to allow the output to increase, until the output reaches a pre-set high output limit.
本申请涉及用于减小待用功率的方法和相关控制器及开关模式电 |
Author | WANG ADRIAN HUANG CLIVE LEE KO-YEN |
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DocumentTitleAlternate | 用于减小待用功率的方法和相关控制器及开关模式电源 |
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Snippet | The invention relates to a method for reducing standby power, a related controller, and a switch mode power supply. In a power supply having a control circuit... |
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SubjectTerms | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CALCULATING COMPUTING CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION PHYSICS |
Title | Method for reducing standby power, related controller, and switch mode power supply |
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