Title:
POWER RECEPTION DEVICE, POWER TRANSMISSION DEVICE, AND POWER SUPPLY SYSTEM
Document Type and Number:
Japanese Patent JP2020162415
Kind Code:
A
Abstract:
To provide a power supply system capable of charging in a short time from a state where battery voltage is extremely low while reducing the device scale.SOLUTION: In a power supply system 100, a power reception device 20 includes: a power reception coil RC; a battery charged based on non-contact reception of power from a power transmission coil TC of a power transmission device 10 via the power reception coil; and an NFC communication module 21 for transmitting an information packet including a situation parameter indicating the situation of the battery BT, and request parameters indicating a power amount and a power transmission time for requesting the power transmission device to transmit power to the power transmission device. The NFC communication module sets the situation parameter and the request parameters to values corresponding to a voltage value of the battery if the voltage value of the battery is equal to or more than a voltage threshold value, and sets the situation parameter and the request parameters to fixed values if the voltage value of the battery is less than the voltage threshold value.SELECTED DRAWING: Figure 1
Inventors:
UEHARA TERUAKI
Application Number:
JP2020105363A
Publication Date:
October 01, 2020
Filing Date:
June 18, 2020
Export Citation:
Assignee:
LAPIS SEMICONDUCTOR CO LTD
International Classes:
H02J50/80; H02J7/00; H02J50/10
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Foreign References:
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Attorney, Agent or Firm:
Motohiko Fujimura