Title:
DUAL-INPUT POWER SUPPLY MODULE, CHIP, CIRCUIT BOARD ASSEMBLY, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/116427
Kind Code:
A1
Abstract:
The present application relates to the technical field of power supply, and discloses a dual-input power supply module, a chip, a circuit board assembly, and an electronic device. The dual-input power supply module comprises two power supply inputs which are separately connected to a main converter by means of a switch; a switch control unit is used for controlling, according to the input situations of the two power supply inputs respectively detected by first and second detection circuits, the switch to connect one of first and second power supply inputs to the main converter; the input ends of first and second auxiliary power supplies are respectively connected to the first and second power supply inputs; the input end of a third auxiliary power supply is connected to the bus output end of the main converter, and the output end of the third auxiliary power supply is connected to the power supply end of the main converter and the power supply ends of a plurality of circuit units; in a starting stage, the first and second auxiliary power supplies supply power to the plurality of circuit units; after entering a normal working stage, the third auxiliary power supply supplies power to the plurality of circuit units.
Inventors:
HE WEI (CN)
ZHU CONG (CN)
CHEN CHANGQING (CN)
ZHANG BIN (CN)
LI XIAOLONG (CN)
ZUO ZHILING (CN)
ZHU CONG (CN)
CHEN CHANGQING (CN)
ZHANG BIN (CN)
LI XIAOLONG (CN)
ZUO ZHILING (CN)
Application Number:
PCT/CN2022/137019
Publication Date:
June 29, 2023
Filing Date:
December 06, 2022
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H02J3/00; H02M1/44; H05K1/02
Foreign References:
| CN112018873A | 2020-12-01 | |||
| CN104578383A | 2015-04-29 | |||
| CN103683468A | 2014-03-26 | |||
| CN111371169A | 2020-07-03 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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