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发明授权
CN103780091B 用于多相转换器的相电流平衡 有权 转让

用于多相转换器的相电流平衡
摘要：
本发明是用于多相转换器的相电流平衡。一种DC‑DC转换器包含第一差动电压传感器，以通过感测所述DC‑DC转换器的第一电力级上的第一差动电压而检测第一电感器电流。第二差动电压传感器通过感测所述DC‑DC转换器的第二电力级上的第二差动电压而检测第二电感器电流。积分器级将来自所述第一电力级的所述第一差动电压与来自所述第二电力级的所述第二差动电压进行组合以产生补偿信号，以调整所述DC‑DC转换器的电流平衡。
摘要（英）：

A DC-DC converter includes a first differential voltage sensor to detect a first inductor current by sensing a first differential voltage across a first power stage of the DC-DC converter. A second differential voltage sensor detects a second inductor current by sensing a second differential voltage across a second power stage of the DC-DC converter. An integrator stage combines the first differential voltage from the first power stage and the second differential voltage from the second power stage to generate a compensation signal to adjust current balancing for the DC-DC converter.

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