Patent ID: 11955889
Assignee: THE BOEING COMPANY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A buck voltage regulator device, comprising:
a first coupled inductor including a first primary winding and one or more auxiliary windings including a first auxiliary winding;
a first high-side switch electrically connected between an electrical energy source and a starting end of the first primary winding;
a first low-side switch electrically connected between the starting end of the first primary winding and a ground node;
a second low-side switch electrically connected between a starting end of the first auxiliary winding and the ground node;
a first output node electrically connected to a terminal end of the first primary winding;
a second output node electrically connected to a terminal end of the first auxiliary winding;
a first output storage capacitor electrically connected to the terminal end of the first primary winding and electrically connected between the first output node and the ground node;
a second output storage capacitor electrically connected to the terminal end of the first auxiliary winding and electrically connected between the second output node and the ground node;
a second coupled inductor including a second primary winding and one or more auxiliary windings including a second auxiliary winding;
a second high-side switch electrically connected between the electrical energy source and a starting end of the second primary winding of the second coupled inductor;
a third low-side switch electrically connected between the starting end of the second primary winding of the second coupled inductor and the ground node;
a fourth low-side switch electrically connected between a starting end of the second auxiliary winding of the second coupled inductor and the ground node;
an output ripple-reducing inductor electrically connected between the terminal end of the first auxiliary winding of the first coupled inductor, the terminal end of the second auxiliary winding of the second coupled inductor, and the second output node;
an input-side noise filter capacitor electrically connected between the electrical energy source and the ground node; and
an output-side noise filter capacitor electrically connected between the output ripple-reducing inductor and the ground node.