| Summary: | 碩士 === 大同大學 === 電機工程學系(所) === 97 === Energy efficiency has become a battle cry among notebook makers, using less energy helps to reduce CO2 emissions.
This thesis presents a new efficiency improved methodology for both adaptor and notebook systems. The benefits include saving power costs for an end user, and giving designers some relief in order to meet E-Star’s requirements.
Using a new adaptor, which supports adjustable output voltages, lowers its output voltages while the system is under light load, and can reduce the power consumption of the laptop. Lower DC-DC input voltage can result in higher efficiency but we will explore this further
According to our measurement results, the proposed solution can save 2.1 watts of power, equal to a saving of 8.2% of system loading.
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