Stacked coil structure and electronic device including the same
摘要
說(shuō)明書
The power adaptor 411a may receive AC or DC power input from the outside or may receive a power signal of a battery device and output the power signal as DC power having a predetermined voltage value. The voltage value of the DC power output from the power adaptor 411a may be controlled by the control circuit 412. The DC power output from the power adaptor 411a may be output to the power generation circuit 411b.
The power generation circuit 411b may convert the DC current output from the power adaptor 411a into AC current, and may output the AC current. The power generation circuit 411b may include a predetermined amplifier (not illustrated). When the DC current input through the power adaptor 411a is smaller than a predetermined gain, the power generation circuit portion 411b may amplify the DC current to a preset gain using the amplifier. In addition, the power generation circuit 411b may further include a circuit for converting the DC current input from the power adaptor 411a into AC current on the basis of a control signal input from the control circuit 412. For example, the power generation circuit 411b may convert the DC current into AC current through a predetermined inverter. Alternatively, the power generation circuit 411b may further include a gate drive device (not illustrated), and the gate drive device may change the DC current to AC current while controlling the DC current by turning on/off the DC current. Alternatively, the power generation circuit 411b may generate an AC power signal through a wireless power generator (e.g., an oscillator). Accordingly, the power generation circuit 411b may output AC power.
