| 发明名称 |
Charge Pump Device and Driving Capability Adjustment Method Thereof |
| 摘要 |
A charge pump device includes a driving stage, for generating a driving signal corresponding to a driving capability, a charge pump circuit, for generating an output voltage according to the driving signal, a comparing circuit, for generating a comparison result according to the output voltage and a reference voltage, a duty cycle detecting circuit, for detecting a length of a duty cycle of an indicating signal indicating the comparing result, to generate a detection result indicating the duty cycle, and a driving capability control circuit, coupled between the duty cycle detecting circuit and the driving stage, for controlling the driving capability corresponding to the driving signal according to the detection result. |
| 申请公布号 |
US2015381034(A1) |
申请公布日期 |
2015.12.31 |
| 申请号 |
US201414501060 |
申请日期 |
2014.09.30 |
| 申请人 |
NOVATEK Microelectronics Corp. |
发明人 |
Chiu Hsiang-Yi |
| 分类号 |
H02M3/07 |
主分类号 |
H02M3/07 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A charge pump device, comprising:
a driving stage, for generating a driving signal corresponding to a driving capability; a charge pump circuit, for generating an output voltage according to the driving signal; a comparison circuit, for generating a comparison result according to the output voltage and a reference voltage; a duty cycle detecting circuit, for detecting a length of a duty cycle of an indicate signal indicating the comparison result of, to generate a detecting result indicating the length of the duty cycle; and a driving capability control circuit, coupled between the duty cycle detecting circuit and the driving stage, for controlling the driving capability corresponding to the driving signal according to the detecting result in an operating period. |
| 地址 |
Hsin-Chu TW |
