Title:
CHARGING SYSTEM, CHARGING METHOD AND POWER ADAPTER
Document Type and Number:
WIPO Patent Application WO/2018/184178
Kind Code:
A1
Abstract:
A charging system, a charging method, and a power adapter, the power adapter (1) comprising: a first rectifying unit (101), a switch unit (102), a transformer (103), a second rectifying unit (104), a first charging interface (105), a first current sampling circuit (1061), a first capacitor group (115), a second capacitor group (116), and a control unit (107); the control unit outputs a control signal to the switch unit, and determines, according to a current sample value, an output current of the power adapter when the power adapter enters a first charging mode; when the output current of the power adapter is at a rising edge or a falling edge, the control unit shields the first capacitor group, and when the output current of the power adapter is at a level section, the control unit causes the first capacitor group to operate. The power adapter may effectively reduce rises in temperature and increase service life, and may reduce volume, which is beneficial to a miniaturized design.
Inventors:
TIAN CHEN (CN)
ZHANG JIALIANG (CN)
ZHANG JIALIANG (CN)
Application Number:
PCT/CN2017/079634
Publication Date:
October 11, 2018
Filing Date:
April 06, 2017
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H02J7/04
Foreign References:
| CN205882812U | 2017-01-11 | |||
| CN101854114A | 2010-10-06 | |||
| US20150180356A1 | 2015-06-25 |
Other References:
See also references of EP 3451488A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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