Infineon Technologies Ag

Giovanni Bisson

Marco Flaibani

Stefano Zampieri

A circuit includes a switching signal generator and synchronization circuitry configured to determine a first time of a switching period based on a switching signal. The circuit further includes a comparison signal generator configured to generate a comparison signal with a first constant rate of change after the first time. The synchronization circuitry is further configured to determine a second time of the switching period based on when current at the inductive element changes from a positive current to a negative current. The comparison signal generator is further configured to generate the comparison signal with a second constant rate of change after the second time. The circuit further includes a threshold detector configured to compare a value of the comparison signal at the end of a target switching period with a threshold value.

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Padua, Italy

Giovanni Bisson