Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bernard Bojarski0
Joshua S. Landau0
Stephen J. Rober0
Date of Patent
August 23, 2005
0Patent Application Number
107791630
Date Filed
February 13, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A frequency-controlled load driver circuit includes a steady-state and a transient operational mode. A switching driver switches a load current to a solenoid at a set switching frequency during a steady-state operational mode. An analog-to-digital converter (ADC) oversamples a sense resistor voltage an integer number of times within each period of the switching frequency. A control circuit sets the switching frequency of the driver during the steady-state operational mode by providing predetermined switching times. The control circuit disables switching during the transient mode. Dither can be applied during the steady-state mode.
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