Invention Grant
US08598933B2 Input current shaping for transition and discontinuous mode power converter
有权
用于转换和不连续模式功率转换器的输入电流整形
- Patent Title: Input current shaping for transition and discontinuous mode power converter
- Patent Title (中): 用于转换和不连续模式功率转换器的输入电流整形
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Application No.: US13370417Application Date: 2012-02-10
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Publication No.: US08598933B2Publication Date: 2013-12-03
- Inventor: Silvio Ziegler , Ivan Feno
- Applicant: Silvio Ziegler , Ivan Feno
- Applicant Address: US CA Camarillo
- Assignee: Power-One, Inc.
- Current Assignee: Power-One, Inc.
- Current Assignee Address: US CA Camarillo
- Agency: Waddey Patterson
- Agent Mark J. Patterson
- Main IPC: H03K3/00
- IPC: H03K3/00
Abstract:
A power converter operable to draw an input current that is in phase with an input voltage of the power converter and proportional to a voltage of the input voltage of the power converter includes a drive switch, a waveform generator, and a current shaping circuit. The drive switch is connected between an input inductor and ground and draws current through the input inductor when turned on. The current shaping circuit provides an on-time of the drive switch for a next cycle of the drive switch as a function of an input current decay time, a switching period of the waveform generator, and an output voltage of the power converter. The waveform generator is responsive to the on-time provided by the current shaping circuit for selectively turning the drive switch on and off to cycle the drive switch as a function of the received on-time.
Public/Granted literature
- US20120212276A1 INPUT CURRENT SHAPING FOR TRANSITION AND DISCONTINUOUS MODE POWER CONVERTER Public/Granted day:2012-08-23
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