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Title:
ELECTRONIC CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/043116
Kind Code:
A1
Abstract:
 A redundant-type electronic control device, wherein the inductance of a power supply circuit is reduced, switching loss is reduced, noise level is reduced, and the voltage utilization rage of a battery power supply is improved. An electronic control device for controlling the operation of a motor, wherein the electronic control device is provided with power modules 11a, 11b for driving the motor. Power supply terminals 32pua, 32pva, 32pwa of the power module 11a are arranged so as to respectively face power supply terminals 32nub, 32nvb, 32nwb of the power module 11b having different polarities from the power supply terminals 32pua, 32pva, 32pwa, the power supply terminals 32pua, 32pva, 32pw being in the vicinity of the power supply terminals 32nub, 32nvb, 32nwb. Power supply terminals 32nua, 32nva, 32nwa drawn out from a longitudinal end part 311 of the power module 11a are arranged so as to respectively face power supply terminals 32pub, 32pvb, 32pwb drawn out from a longitudinal end part 311 of the power module 11b having different polarities from the power supply terminals 32nua, 32nva 32nwa, the power supply terminals 32nua, 32nva, 32nwa being in the vicinity of the power supply terminals 32pub, 32pvb, 32pwb.

Inventors:
SAKAI, Toshihiko (1671-1, Kasukawa-cho, Isesaki-sh, Gunma 23, 〒3720023, JP)
KANAZAWA, Takuro (7-1-1, Omika-cho, Hitachi-sh, Ibaraki 92, 〒3191292, JP)
KOBAYASHI, Ryoichi (1671-1, Kasukawa-cho, Isesaki-sh, Gunma 23, 〒3720023, JP)
Application Number:
JP2015/075707
Publication Date:
March 24, 2016
Filing Date:
September 10, 2015
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
H02K11/30; H02M7/48; H02M7/493
Foreign References:
JP2013192403A2013-09-26
JP2014067760A2014-04-17
JP2013151206A2013-08-08
JP2011229229A2011-11-10
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (Ekisaikai Bldg. 1-29, Akashi-cho, Chuo-k, Tokyo 44, 〒1040044, JP)
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