| 摘要 |
A power management device of a touchable control system includes a boost circuit boosting an output voltage according to an input voltage, a controlling signal for ballasting charging, and a controlling signal for boosting charging, a detection circuit detecting a predetermined value of the output voltage, a modulation circuit, and a loading circuit. The modulation circuit separately modulates the output voltage by the controlling signal for ballasting charging after the output voltage reaches the predetermined value and by the controlling signal for boosting charging before the output voltage reaches the predetermined value according to the detecting of the detection circuit. The loading circuit receives the reached predetermined value of the output voltage according to the modulation of the modulation circuit, wherein the controlling signal for boosting charging modulating the output voltage is more rapid than the controlling signal for ballasting charging modulating the output voltage. |
