Patent ID: 11949328
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 5:
6. The power factor correction converter of claim 3, wherein
during positive half-cycles of the AC input voltage:
during boost operation of the first channel, the first low-side switch and the third low-side switch are turned on, and the first high-side switch and the third high-side switch are turned off;
during boost operation of the second channel, the second low-side switch and the third low-side switch are turned on, and the second high-side switch and the third high-side switch are turned off;
during synchronous operation of the first channel, the first high-side switch and the third low-side switch are turned on, and the first low-side switch and the third high-side switch are turned off; and
during synchronous operation of the second channel, the second high-side switch and the third low-side switch are turned on, and the second low-side switch and the third high-side switch are turned off; and

during negative half-cycles of the AC input voltage:
during boost operation of the first channel, the first high-side switch and the third high-side switch are turned on, and the first low-side switch and the third low-side switch are turned off;
during boost operation of the second channel, the second high-side switch and the third high-side switch are turned on, and the second low-side switch and the third low-side switch are turned off;
during synchronous operation of the first channel, the first low-side switch and the third high-side switch are turned on, and the first high-side switch and the third low-side switch are turned off; and
during synchronous operation of the second channel, the second low-side switch and the third high-side switch are turned on, and the second high-side switch and the third low-side switch are turned off.