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:
Jul. 01, 2025
Filed:
Jan. 03, 2024
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Toshio Ikeyama, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A vehicle power supply device applied to a vehicle including an electric motor including coils for a plurality of phases. The vehicle power supply device includes: a battery; a power conversion device including, for each of phases of the electric motor, a switching element and a current sensor; and a control device configured to control the power conversion device such that electric power supplied via a neutral point of the electric motor is stepped up and then supplied to the battery, execute a feedback control to control currents of the respective phases such that an input current from the external power supply and an output current to the battery are equal, set an upper limit of the currents of the respective phases based on a maximum value of the input current, and limit the currents of the respective phases so as not to exceed the set upper limit value.