Patent ID: 11888384
Assignee: STMICROELECTRONICS S.R.L.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A switching converter for converting a direct current input voltage into a direct current output voltage, the switching converter comprising:
a switching stage comprising first and second switching devices configured to receive the direct current input voltage and provide the direct current output voltage according to the direct current input voltage;
a driving stage comprising first and second driving devices configured to drive the first and second switching devices, respectively;
a current sensing circuit configured to sense an output current provided by the switching stage;
a voltage generation circuit comprising first and second voltage generation stages, the first voltage generation stage configured to generate a first supply voltage to power the second driving device according to the output current, the second voltage generation stage configured to generate a second supply voltage to power the first driving device according to a reference voltage corresponding to the first supply voltage, the voltage generation circuit configured to adjust the first or second supply voltages according to the output current sensed by the current sensing circuit; and
a charge recovery stage configured to;
selectively store a first electric charge being lost from the first driving device during driving of the first switching device based on a comparison between the first and second supply voltages, and
release, at least partially, the first electric charge to the second driving device during driving of the second switching device to, at least partially, compensate for a second electric charge being lost from the second driving device during driving of the second switching device.