Patent ID: 11870354
Assignee: MERAKI INTEGRATED CIRCUIT (SHENZHEN) TECHNOLOGY, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 6:
7. The converter according to claim 1, wherein the full-bridge rectifier circuit comprises: a diode D1, a diode D2, a diode D3, a diode D4, and a capacitor C1, wherein
an anode of the diode D1 and a cathode of the diode D2 are connected to a negative electrode of the AC input end, an anode of the diode D3 and a cathode of diode D4 are connected to a positive electrode of the AC input end, a cathode of the diode D1 and a cathode of the diode D3 are connected to one end of the capacitor C1, and an anode of the diode D2 and an anode of diode D4 are connected to the other end of the capacitor C1; or
the half-bridge circuit comprises: an upper bridge switch Q1 and a lower bridge switch Q2;
the upper bridge switch Q1 comprises a first electrode, a second electrode, and a control electrode, the first electrode of the upper bridge switch Q1 is connected to a positive output end of the full-bridge rectifier circuit, the second electrode of the upper bridge switch Q1 is connected to one end of the resonant circuit, the control electrode of the upper bridge switch Q1 is connected to the control circuit, the control electrode of the upper bridge switch Q1 is configured to receive the drive signal output by the control circuit to control the upper bridge switch Q1 to be switched on or switched off;
the lower bridge switch Q2 comprises a first electrode, a second electrode, and a control electrode, the first electrode of the lower bridge switch Q2 is connected to one end of the resonant circuit, the second electrode of the lower bridge switch Q2 is connected to the other end of the resonant circuit and a negative output end of the full-bridge rectifier circuit, the control electrode of the lower bridge switch Q2 is connected to the control circuit, the control electrode of the lower bridge switch Q2 is configured to receive the drive signal output by the control circuit to control the lower bridge switch Q2 to be switched on or switched off; or
the resonant circuit comprises an inductor L1 and a capacitor C2;
one end of the inductor L1 is connected to the second electrode of the upper bridge switch Q1, the other end of the inductor L1 is connected to one end of the primary side of the transformer, the other end of the primary side of the transformer is connected to one end of the capacitor C2, and the other end of the capacitor C2 is connected to the second electrode of the lower bridge switch Q2; or
the load output circuit comprises a diode D5 and a capacitor C3; and
an anode of the diode D5 is connected to one end of the secondary side of the transformer, a cathode of the diode D5 is connected to one end of the capacitor C3, and the other end of the capacitor C3 is connected to the other end of the secondary side of the transformer.