Control method and control circuit for a boost converter
US11575324B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Jun 29, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control circuit for a boost converter can include: a comparison circuit configured to compare an input voltage of the boost converter against an output voltage of the boost converter, and to generate first and second control signals; an option circuit configured to provide a third control signal generated by a drive circuit of the boost converter to a control terminal of a synchronous power transistor of the boost converter, in accordance with the first and second control signals, when the output voltage is greater than the input voltage; and the option circuit being configured to provide a DC voltage to the control terminal of the synchronous power transistor, in accordance with the first and second control signals, in order to provide a current path for an inductor current of the boost converter through the synchronous power transistor, when the output voltage is not greater than the input voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.