The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2020
Filed:
Oct. 02, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Kenji Terao, Motosu-gun, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A power supply system includes a DC-DC converter, a relay, and a control unit configured to i) start up the DC-DC converter based on a state transition of an ignition signal from OFF to ON, ii) cause the DC-DC converter to output a first low voltage when a high-voltage battery is connected to the DC-DC converter by the relay, iii) cause the DC-DC converter to output a voltage specified by an output voltage command in a case where the output voltage command is provided from a high-order ECU after output of the first low voltage is started, and iv) cause the DC-DC converter to output a fixed voltage higher than the first low voltage in a case where the output voltage command is not provided from the high-order ECU by a time at which a first time elapses after the output of the first low voltage is started.