Methods and apparatus for a direct current-direct current converter compatible with wide range system clock frequency
US11791720B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2021 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Dec 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2005/00058
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A direct current (DC) to DC (DC-DC) converter includes a comparator setting a pulse width of a signal pulse, the pulse width corresponding to a voltage level of an output voltage of the DC-DC converter; a digital delay line (DDL) operatively coupled to the comparator, the DDL adjusting the pulse width of the signal pulse by linearly introducing delays to the signal pulse; a multiplexer operatively coupled to the DDL, the multiplexer selectively outputting a delayed version of the signal pulse; a phase detector operatively coupled to a system clock and the multiplexer, the phase detector generating a phase error between an output of the multiplexer and the system clock; and a logic control circuit operatively coupled to the multiplexer and the DDL, the logic control circuit adjusting the delay introduced to the signal pulse in accordance with the phase error.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.