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MultiChannel DC controller operating independently of output power in critical conduction mode
MultiChannel DC controller operating independently of output power in critical conduction mode
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机译:多通道直流控制器在临界传导模式下独立于输出功率运行
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摘要
A multichannel bidirectional DC converter includes first and second parallel current channels and a controller. The first channel has a first inductor, first and second switches, and a device operable for detecting a current null passage (zero crossing) of current of the first inductor. The second channel has a second inductor and third and fourth switches. The controller controls the switches to turn on and off such that the channels can be driven in either a boost converter mode or a buck converter mode at a given time. The controller is operable with the device of the first channel for detecting a period of the current null passage of the first inductor. The controller drives the channels with a time delay with respect to one another based on the detected period such that the channels operate in a critical conduction mode.
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