Driving circuit, driving module and motor driving apparatus
US9059648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2013 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Jun 16, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/0029
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There are provided a driving circuit, a driving module, a motor driving apparatus capable of adjusting a driving current driving a power semiconductor device, the driving circuit including a driving unit including a plurality of drivers and selecting a corresponding driver among the plurality of drivers according to a selection signal to determine a current level of a driving signal for driving a semiconductor device, a timing controlling unit detecting a phase shift time of the driving signal transferred to the semiconductor device and comparing the detected time with a preset reference time to control the phase shift time of the driving signal, and a driving controlling unit providing the selection signal for selecting a driver to be driven among the plurality of drivers of the driving unit according a control signal from the outside and a timing control signal of the timing controlling unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.