Title:
POWER SUPPLY CIRCUIT AND METHOD FOR CONTROLLING POWER SUPPLY CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2020/166636
Kind Code:
A1
Abstract:
Provided are: a power supply circuit capable of automatically changing a circuit configuration according to consumption current at a load to which power is supplied from a power supply line; and a method for controlling the power supply circuit. The power supply circuit includes: a plurality of Zener diodes (ZD) between which cascade connection is established and which are connected in parallel to a load (10) to which power is supplied from a power supply line; switches (SW) on which ON/OFF control is performed, which are connected in parallel to one of the plurality of Zener diodes or between the plurality of Zener diodes, and which form current paths when ON control is performed on the switches; a current monitoring means (2) for monitoring current that is flowing in one of the plurality of Zener diodes; a comparison means (4) for comparing a reference current (3) and the current monitored by the current monitoring means; and a control means (5) for performing ON/OFF control on the switches on the basis of the result of the comparison by the comparison means.
Inventors:
ARAI NARIHIRO (JP)
Application Number:
PCT/JP2020/005429
Publication Date:
August 20, 2020
Filing Date:
February 13, 2020
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G05F1/613
Domestic Patent References:
| WO2017159648A1 | 2017-09-21 |
Foreign References:
| US6713991B1 | 2004-03-30 | |||
| JP2017056854A | 2017-03-23 | |||
| JPS54154038A | 1979-12-04 | |||
| JPH1023754A | 1998-01-23 | |||
| JPH0583880A | 1993-04-02 | |||
| JP2011249790A | 2011-12-08 | |||
| JP2019025084A | 2019-02-21 |
Other References:
See also references of EP 3926436A4
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
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