发明申请
- 专利标题： OVERCURRENT PROTECTION DEVICE AND METHOD OF OPERATING A POWER SWITCH
- 专利标题（中）： 过流保护装置及操作电源开关的方法
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申请号： US13985887申请日： 2011-02-18
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公开(公告)号： US20130321966A1公开(公告)日： 2013-12-05
- 发明人: Vasily A Syngaevskiy , Laurent Guillot , Philippe Rosado , Denis Sergeevich Shuvalov , Alexander Petrovich Soldatov
- 申请人： Vasily A Syngaevskiy , Laurent Guillot , Philippe Rosado , Denis Sergeevich Shuvalov , Alexander Petrovich Soldatov
- 申请人地址： US TX Austin
- 专利权人： Freescale Semiconductor
- 当前专利权人： Freescale Semiconductor
- 当前专利权人地址： US TX Austin
- 国际申请： PCT/RU2011/000107 WO 20110218
- 主分类号： H02H3/093
- IPC分类号： H02H3/093
摘要：
An overcurrent protection device comprises a maximum-allowed-current unit and a power switch. The maximum-allowed-current unit determines a maximum allowed current in real-time. The maximum allowed current is determined at least partially on an instantaneous level of a load voltage. The load voltage is a voltage across a load to be powered. The power switch is connectable with a switch input to a voltage supply and with a switch output to the load, for providing power to said load. The power switch has a conductive state and a nonconductive state, and is arranged to assume the nonconductive state in response to an indication that a current through the power switch is exceeding the maximum allowed current. A method of operating a power switch is also described.
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