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Title:
SLOW-START CIRCUIT AND SLOW-START CONTROL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/128709
Kind Code:
A1
Abstract:
Provided are a slow-start circuit and slow-start control method thereof; the slow-start circuit comprises a control module (1), a power supply module (2), a pre-charging branch line (3), and a main charging branch line (4); the control module (1) is used for outputting a pre-charging control signal and a main charging control signal; the pre-charging branch line (3) at least comprises an impedance element (5), the pre-charging branch line (3) being used for conducting to a load (6) a power signal outputted by the power module (2) in the pre-charging stage according to a received pre-charging control signal; the charging voltage value of the load (6) in the pre-charging stage is a set voltage value, the ratio of the set voltage value to the full voltage value of the power module (2) is greater than a set proportion, and the set proportion is less than 1; the main charging branch line (3) is used for conducting to the load (6) a power signal outputted by the power module (2) in the main charging stage according to a received main charging control signal; the load (6) is charged to the full voltage value of the power module (2) during the main charging phase. The described technical solution reduces the probability of a large inrush current generated by the main charging branch line (4).

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Inventors:
CHEN GONG (CN)
CHEN YUDONG (CN)
WANG ZHONGHE (CN)
ZOU HUIXING (CN)
Application Number:
PCT/CN2020/091098
Publication Date:
July 01, 2021
Filing Date:
May 19, 2020
Export Citation:
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Assignee:
PYLON TECH CO LTD (CN)
International Classes:
H02M1/36
Foreign References:
CN110912392A2020-03-24
CN205523742U2016-08-31
CN205523742U2016-08-31
CN207098682U2018-03-13
CN207021726U2018-02-16
CN203005132U2013-06-19
US5627738A1997-05-06
Attorney, Agent or Firm:
HFG INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
Download PDF:
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