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Technology:
The conventional current sensing method with sensing resistors produces additional losses and decreases the efficiency in the multiphase DC-DC converters with coupled inductors. A novel lossless current sensing method in multiphase DC-DC converters with coupled inductors is proposed. With this novel method the additional loss is saved and the efficiency of the DC-DC converter is increased which means a longer battery life in battery powered equipments and higher power density and lower cost of an equipment with multiphase DC-DC converters with coupled inductors. Experiment was conducted to verify the validity of the proposed lossless current sensing method.
Benefits:
Additional loss is saved and the efficiency of the DC-DC converter is increased.
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