Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POWER SUPPLY APPARATUS AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/161352
Kind Code:
A1
Abstract:
The present application discloses a power supply apparatus and an electronic device, which belong to the technical field of electronics. The power supply apparatus comprises a switch control module, a first switch, at least one second switch, a plurality of capacitors and a plurality of power supply conversion modules of the same number. The plurality of capacitors form a series connection; a first capacitor is connected to an input voltage, two adjacent capacitors are grounded by means of one second switch, and the last capacitor is grounded by means of the first switch; each power supply conversion module forms a parallel connection with one capacitor; the switch control module controls, according to the input voltage and by means of the first switch and the at least one second switch, the number of power supply conversion modules in a working state, the number having a positive correlation with the input voltage.

Inventors:
LI DAHUAN (CN)
Application Number:
PCT/CN2022/073794
Publication Date:
August 04, 2022
Filing Date:
January 25, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H02M1/00
Domestic Patent References:
WO2017220019A12017-12-28
Foreign References:
CN112910220A2021-06-04
CN109428467A2019-03-05
US20100124087A12010-05-20
US20170294831A12017-10-12
JP2016073099A2016-05-09
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
Download PDF: