ELECTRONIC CONTROL UNIT FOR ELECTRIC POWER STEERING

摘要

One embodiment of the present invention provides an electronic control unit for electric power steering, including: a first board which is mounted with first surface-mount components; and only one second board which is mounted with second surface-mount components having larger allowable current capacities than the first surface-mount components, which have approximately the same components mounting area as the first board, and which is layered with the first board.