Drive device
US12062979B2 · kind B2 · utility
0Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2022 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Nov 29, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/36
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A drive device for driving a load includes: an inverter unit having an upper arm element and a lower arm element and converting electric power supplied to the load; and a charge pump circuit that supplies a gate voltage to the upper arm element. An output voltage of the charge pump circuit is variable according to an inverter input voltage input from an inverter input wiring to a high potential side of the inverter unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.