Patent ID: 11862903
Assignee: 10757616 CANADA CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 13:
14. The device of claim 1, wherein the AC-to-DC power supply comprises one or more of:
a full wave rectifier electrically connected to the AC input;
a buck regulator in communication with the full wave rectifier to step down rectified AC voltage to a lower voltage;
a push-pull converter, comprised of a chopper circuit in communication with the buck regulator to control a duty cycle of lower voltage rectified AC voltage, and a planar transformer in communication with the chopper circuit to further reduce voltage of the lower voltage rectified AC voltage;
a rectifier in communication with the planar transformer to convert electrical output of the planar transformer to direct current voltage, wherein the DC output of the AC-to-DC power supply comprises an output of the rectifier;
a feedback circuit between the DC output and the buck regulator to control the direct current voltage output from the rectifier by controlling the lower voltage output of the buck regulator;
an optocoupler between the feedback circuit and the buck regulator to maintain isolation between a primary circuit and a secondary circuit of the planar transformer; and
an auxiliary low voltage power supply configured to power the chopper circuit.