发明名称 |
Wireless power transmitter and wireless power transfer method thereof |
摘要 |
This specification provides a wireless power transmitter (100) capable of smoothly charging/discharging a resonant current in a manner of a pulse width modulation (PWM) control based on battery voltage information, and a method thereof. A wireless power transmitter disclosed herein includes a power supply unit that supplies an input voltage, a power conversion unit (111) that generates power in a wireless manner based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfers the wireless power to a wireless power receiver (200), and a power transmission control unit (112) that applies the driving signal to the power conversion unit, wherein the power transmission control unit receives a voltage value of a battery charged with the wireless power through a wireless network (10b), and generates the first PWM signal based on the voltage value of the battery. |
申请公布号 |
EP2808972(A1) |
申请公布日期 |
2014.12.03 |
申请号 |
EP20140001845 |
申请日期 |
2014.05.27 |
申请人 |
LG ELECTRONICS, INC. |
发明人 |
CHAE, BEOMSEOK;JUNG, BYUNGSANG;SEO, JEONGKYO;YOO, KWANGMIN;LEE, JUNYOUNG |
分类号 |
H02J5/00;H02J7/00;H02J7/02 |
主分类号 |
H02J5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|