Basic Structure of Brushed Motor Drivers

Hybrid ICs for Driving Brush-Type DC Motors

ON Semiconductor

This presentation includes four main topics: First, the basic structure of a brushed-motor driver. Second, a description of the current flow in the driver while operating in its four states. Third, a comparison of the products to the major competitive devices. Finally, some details about the STK681 family of products, including applications and typical waveforms.
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Related Parts

ImageManufacturer Part NumberDescriptionPart StatusMotor Type - StepperAvailable Quantity
STK681-332-E datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-332-EIC MOTOR DRIVER PAR 19SIPActive-1260 - Immediate
STK681-332-E product page link
STK681-320 datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-320IC MOTOR DRIVER PAR 19SIPActive-15 - Immediate
STK681-320 product page link
STK681-320 datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-320IC MOTOR DRIVER PAR 19SIPActive-40 - Immediate
STK681-320 product page link
STK681-352-E datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-352-EIC MOTOR DRIVER PAR 19SIPActive-0STK681-352-E product page link
STK681-300 datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-300IC MOTOR DRIVER PAR 19SIPObsolete-0STK681-300 product page link
STK681-310 datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-310IC MOTOR DRIVER PAR 19SIPObsolete-0STK681-310 product page link
STK681-310 datasheet linkIC MOTOR DRIVER PAR 19SIPSTK681-310IC MOTOR DRIVER PAR 19SIPDiscontinued-0STK681-310 product page link

Eval Boards

ImageManufacturer Part NumberDescriptionPart StatusEmbeddedAvailable Quantity
STK681-300GEVB datasheet linkBOARD EVAL FOR STK681-300STK681-300GEVBBOARD EVAL FOR STK681-300Active-3 - Immediate
STK681-300GEVB product page link
STK681-310GEVB datasheet linkBOARD EVAL FOR STK681-310STK681-310GEVBBOARD EVAL FOR STK681-310Active-2 - Immediate
STK681-310GEVB product page link
STK681-352GEVB datasheet linkBOARD EVAL FOR STK681-352-ESTK681-352GEVBBOARD EVAL FOR STK681-352-EActive-2 - Immediate
STK681-352GEVB product page link
STK681-320GEVB datasheet linkBOARD EVAL FOR STK681-320STK681-320GEVBBOARD EVAL FOR STK681-320Obsolete-0STK681-320GEVB product page link
STK681-332GEVB datasheet linkBOARD EVAL FOR STK681-332-ESTK681-332GEVBBOARD EVAL FOR STK681-332-EObsolete-0STK681-332GEVB product page link
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PTM Published on: 2012-11-30