Invention Grant
- Patent Title: Clamp circuits for power converters
- Patent Title (中): 电源转换器的钳位电路
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Application No.: US13389198Application Date: 2011-08-12
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Publication No.: US08966294B2Publication Date: 2015-02-24
- Inventor: Xiaodong (David) Zhan , Long (Robin) Yu , Shijia (Billy) Yang
- Applicant: Xiaodong (David) Zhan , Long (Robin) Yu , Shijia (Billy) Yang
- Applicant Address: US CA Milpitas
- Assignee: Intersil Americas LLC
- Current Assignee: Intersil Americas LLC
- Current Assignee Address: US CA Milpitas
- Agency: Fogg & Powers LLC
- International Application: PCT/CN2011/078349 WO 20110812
- International Announcement: WO2013/023343 WO 20130221
- Main IPC: H02M3/335
- IPC: H02M3/335 ; H02M1/34 ; G06F1/32 ; G06F1/26

Abstract:
A power converter comprises an input port configured to receive a source of power, an output port configured to provide output power, and a bridge circuit coupled to the input port. The bridge circuit comprises a first switch coupled in series with a second switch, and a third switch coupled in series with a fourth switch. A first clamp rectifier is coupled in series with a second clamp rectifier, and the first and second clamp rectifiers are coupled in parallel with the first and second switches. A first clamp capacitor is coupled between the first and second clamp rectifiers, with the first clamp capacitor operative to reduce power loss in the first and second clamp rectifiers. A first resonant inductor is coupled between the first and second switches. The power converter also includes a transformer operatively coupled to the bridge circuit, with the transformer comprising a primary winding and at least one secondary winding. A current rectifying circuit is operatively coupled to the secondary winding of the transformer and the output port.
Public/Granted literature
- US20140157015A1 CLAMP CIRCUITS FOR POWER CONVERTERS Public/Granted day:2014-06-05
Information query
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