Motor driving circuit, motor driving system, electric power steering system, electric brake system, and vehicle driving system

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United States of America Patent

PATENT NO 9917538
SERIAL NO

14422387

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In order to provide a motor driving circuit in which a portion corresponding to a failed phase can be separated while miniaturization and lower costs are achieved, a motor driving circuit for driving a motor includes: a second driver circuit for driving a driver circuit which supplies a drive current corresponding to one phase of a multiphase motor having three or more phases, to the multiphase motor; and an electrical circuit which includes a plurality of electrical components and switches a connecting relation between the electrical components according to an operation mode designated from outside the motor driving circuit, thereby providing a circuit function corresponding to the operation mode.

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Patent Owner(s)

Patent OwnerAddress
HITACHI AUTOMOTIVE SYSTEMS LTDHITACHINAKA-SHI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanekawa, Nobuyasu Tokyo, JP 117 1243
Kobayashi, Ryoichi Hitachinaka, JP 60 697
Koseki, Tomonobu Hitachinaka, JP 33 148
Yatsugi, Tomishige Hitachinaka, JP 31 368

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