Patents Assigned to SEMICONDUCTOR COMPOENENTS INDUSTRIES, LLC
  • Patent number: 9647605
    Abstract: A driving circuit for a single-phase-brushless motor and a method that includes a driving-signal-generating circuit configured to generate a driving signal for supplying, to a driving coil of the single-phase brushless motor, an output circuit coupled to the driving signal generating circuit; and an induced voltage zero-cross detecting circuit having a plurality of inputs and an output, a first input coupled to the driving signal generating circuit and configured to detect a zero cross of an induced voltage in response to operation in the de-energized period.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: May 9, 2017
    Assignee: SEMICONDUCTOR COMPOENENTS INDUSTRIES, LLC
    Inventor: Tsutomu Murata