- 专利标题: Circuit for driving synchronous rectifier device with false turn on prevention
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申请号: US16851057申请日: 2020-04-16
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公开(公告)号: US11245327B2公开(公告)日: 2022-02-08
- 发明人: Lin Feng , Yuedong Chen
- 申请人: Chengdu Monolithic Power Systems Co., Ltd.
- 申请人地址: CN Chengdu
- 专利权人: Chengdu Monolithic Power Systems Co., Ltd.
- 当前专利权人: Chengdu Monolithic Power Systems Co., Ltd.
- 当前专利权人地址: CN Chengdu
- 代理机构: Perkins Coie LLP
- 优先权: CN201910482738.9 20190604
- 主分类号: H02M1/36
- IPC分类号: H02M1/36 ; H02M1/08 ; H02M3/335 ; H02M1/00
摘要:
A driving circuit for driving a synchronous rectifier device. The driving circuit may include a controllable clamping circuit having a first terminal coupled to a sensing terminal of the driving circuit, a second terminal coupled to a reference ground terminal of the driving circuit, a third terminal coupled to a driving terminal of the driving circuit, and a control terminal configured to receive a supply indication signal indicative of a voltage potential at a supply terminal of the driving circuit. The third terminal of the controllable clamping circuit may be connected to the second terminal of the controllable clamping circuit when the supply indication signal indicates that the voltage potential at the supply terminal has not been established to maintain the synchronous rectifier device off.
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