Patent ID: 8970196
Filing Date: 2015-03-03
Classification: H02M

Abstract:
1. An electronic device comprising: a current level detector configured to generate a signal when a current level reaches a threshold magnitude; a time measurement component configured to start measuring a time interval upon receiving a first signal and stop measuring the time interval upon receiving a second signal from the current level detector; a comparison component configured to compare the measured time interval to a threshold time value; a triggering component configured to trigger a dc to dc converter to switch from a first mode of operation to a second mode of operation based on the comparison of the measured time interval to the threshold time value; and a low pass filter configured to filter a plurality of measured time intervals to produce an average measured time interval, wherein the triggering component is configured to trigger the dc to dc converter to switch from the first mode of operation to the second mode of operation based on a comparison of the average measured time interval to the threshold time value.