发明授权
- 专利标题： Stored energy dissipating circuits and methods for switched mode power supplies
- 专利标题（中）： 储能消耗电路和开关电源的方法
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申请号： US12824842申请日： 2010-06-28
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公开(公告)号： US08537569B2公开(公告)日： 2013-09-17
- 发明人: Peter J. Myers , Joseph Paul Chobol
- 申请人： Peter J. Myers , Joseph Paul Chobol
- 申请人地址： US NC Durham
- 专利权人： Cree, Inc.
- 当前专利权人： Cree, Inc.
- 当前专利权人地址： US NC Durham
- 代理机构： Myers Bigel Sibley & Sajovec, P.A.
- 主分类号： H02M3/335
- IPC分类号： H02M3/335 ; H02H7/10 ; H02J7/00
摘要：
A circuit includes a detector configured to detect a state of a power supply including an energy storage component and to generate a control signal responsive to the state of the power supply, a dissipating component, and a switch configured to controllably couple the dissipating component to the energy storage component in response to the control signal output by the detector. Methods of operating a power supply including an energy storage component and a dissipating component are disclosed. The methods include monitoring the power supply to determine if the power supply may be active, and, in response to determining that the power supply may be inactive, coupling the dissipating component to the energy storage component to dissipate energy from the energy storage component.
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