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1.发明公开公开(公告)号：US20240348168A1
公开(公告)日：2024-10-17
申请号：US18754858
申请日：2024-06-26
发明人： Anders LIND
CPC分类号： H02M3/1588 , H02M1/0009 , H02M1/083 , H02M1/32 , H02M1/4225 , H02M7/219 , H02M1/4233
摘要： A method of setting a synchronous rectifier on-time value includes determining that a time interval has occurred, receiving a number of triangular current mode (TCM) pulses measured during the time interval, and determining a pulse comparison value equal to a number of switching period pulses during the time interval minus the number of TCM pulses during the time interval. The method also includes increasing the synchronous rectifier on-time if the pulse comparison value is greater than or equal to a threshold and decreasing the synchronous rectifier on-time if the pulse comparison value is less than the threshold.
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2.发明公开公开(公告)号：US20240313655A1
公开(公告)日：2024-09-19
申请号：US18677768
申请日：2024-05-29
发明人： Anders LIND
CPC分类号： H02M3/1582 , H02M1/4208
摘要： A controller for controlling a switching power converter having an input for receiving a periodic input signal and an output for providing a substantially constant output voltage to a load includes a monitor device configured to compare a switching time interval or a switching frequency with a predetermined threshold value to obtain a comparison result and a parameter recorder configured to record an entry criteria in response to the comparison result, wherein the entry criteria indicates a transition of the switching power converter from a variable switching frequency state to a constant switching frequency state.
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