Title:
POWER SUPPLY CIRCUIT AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/205104
Kind Code:
A1
Abstract:
A power supply circuit and device, comprising: the circuit comprises multiple channels, and at least one channel in the multiple channels comprises a first switch tube (M1'), a second switch tube (M2'), a third switch tube (M1), a fourth switch tube (M2), a first capacitor (C1'), and a second capacitor (C1), wherein one end of the first capacitor is connected to one end of the second capacitor; the other end of the first capacitor is separately connected to a first pole of the first switch tube and a first pole of the second switch tube; a second pole of the first switch tube is connected to a second pole of the third switch tube; a second pole of the second switch tube is connected to a second pole of the fourth switch tube; a third pole of the first switch tube is connected to an output node; and a third pole of the second switch tube is grounded. The present solution balances a charging charge of the second capacitor by means of an ideal charge storage quantity of the first capacitor, so that the stability of a circuit system is improved, and thus the dynamic property of the circuit system is improved.
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Inventors:
WANG GUORUI (CN)
LI ZHENG (CN)
WANG CHEN (CN)
ZHU YU (CN)
ZHANG ZHENMING (CN)
LI ZHENG (CN)
WANG CHEN (CN)
ZHU YU (CN)
ZHANG ZHENMING (CN)
Application Number:
PCT/CN2018/084918
Publication Date:
October 31, 2019
Filing Date:
April 27, 2018
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H02M3/155; G05F1/46; H02M3/156; H02M3/335
Foreign References:
| CN101320149A | 2008-12-10 | |||
| CN104539147A | 2015-04-22 | |||
| CN101872208A | 2010-10-27 |
Other References:
See also references of EP 3780368A4
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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