Load current feedforward schemes for current-mode controlled power converters
US10686379B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2018 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Sep 11, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/1557
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching power converter circuit comprises an inductor arranged to receive input energy from an input circuit node; a switch circuit coupled to the inductor; a load current sensing circuit element coupled to a regulated circuit node and an output circuit node; a compensation circuit coupled to a compensation circuit node; a control circuit coupled to the compensation circuit node and the switch circuit, the control circuit configured to modulate activation of the switch circuit to regulate a voltage at the regulated circuit node; and a feedforward circuit coupled to the load current sensing circuit element and the compensation circuit, and configured to adjust modulation of the switch circuit according to sensed load current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.