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Master-slave interleaved BCM PFC controller and control method thereof

机译:主从交错式BCM PFC控制器及其控制方法

摘要

The present invention relates to a master-slave interleaved BCM PFC controller for controlling a PFC circuit with master and slave channels. In one embodiment, the PFC controller can include: a master channel controller that generates a master channel control signal and an inverted master channel control signal; a first phase shifter that provides a first phase shift for the master channel control signal, and generates a delayed opening signal therefrom; a second phase shifter that provides a second phase shift for the inverted master channel control signal, and generates a delayed shutdown signal therefrom; a slave channel controller that receives the delayed opening signal, the delayed shutdown signal, and a slave channel inductor current zero-crossing signal, and generates a slave channel control signal therefrom.
机译:本发明涉及一种用于控制带有主通道和从通道的PFC电路的主从交错式BCM PFC控制器。在一个实施例中,PFC控制器可以包括:主通道控制器,其产生主通道控制信号和反相的主通道控制信号;以及第一移相器,为主信道控制信号提供第一相移,并从中产生延迟的打开信号;第二移相器,为倒相的主信道控制信号提供第二相移,并从中产生延迟的关断信号;从通道控制器接收延迟的打开信号,延迟的关闭信号和从通道电感器电流过零信号,并从中产生从通道控制信号。

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