Title:
給電制御回路および給電制御方法
Document Type and Number:
Japanese Patent JP6583321
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a power supply control circuit and a power supply control method for avoiding abnormal power supply due to an incorrect connection without newly adding a dedicated signal line between connectors, when connecting the devices.SOLUTION: A power supply control circuit 100 includes a power incoming side circuit provided in a power incoming device and a power supply side circuit provided in a power supply device. When power is not supplied to a power supply path, the power incoming side circuit sets a connection destination of a power incoming connector terminal corresponding to a designated power incoming GND to a detection connection for setting the terminal voltage of a power supply connector corresponding to the designated power incoming GND to a first voltage when the power supply connector and the power incoming connector are correctly connected, and when the power is supplied to the power supply path, the designated power incoming GND is set. When the terminal voltage of the power supply connector corresponding to the designated power incoming GND is equal to the first voltage, the power supply side circuit connects the plurality of power supplies and the power supply GND and the respective terminals of the power supply connector corresponding thereto, and when the terminal voltage of the power supply connector is different from the first voltage, the plurality of power supplies and the power supply GND are not connected to the respective terminals of the power supply connector.SELECTED DRAWING: Figure 2
Inventors:
Ryo Nakahara
Application Number:
JP2017052813A
Publication Date:
October 02, 2019
Filing Date:
March 17, 2017
Export Citation:
Assignee:
NEC
International Classes:
H02H11/00; G01R31/04; H02J1/00
Domestic Patent References:
| JP2000069681A | ||||
| JP9093804A | ||||
| JP59138779U |
Foreign References:
| US20160054371 |
Attorney, Agent or Firm:
Masahiko Desk
Naoki Shimosaka
Naoki Shimosaka