POWER SUPPLIES
| Register | USPTO Patent |
|---|---|
| Application Number | 17787825 |
| Status | Pending |
| Filing Date | 2019-12-20 |
| First Publication Date | 2023-01-26 |
| Publication Date | 2023-01-26 |
| Owner | HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (USA) |
| Inventor | Cheng, Chao-Wen |
Abstract
Structures and functions of power supplies are disclosed. In an example, a power supply includes a power factor correction circuit and a bypass circuit. The bypass circuit bypasses the power factor correction circuit when the switch of the bypass circuit is on in response to a predetermined range of input power of the power supply. The bypass circuit also includes a delay circuit to delay the activation of the bypass circuits in response to the predetermined range of input power of the power supply for a predetermined time period.