3-Phase Brushless DC Motor Controller

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Si9979Vishay SiliconixDocument Number: 70012S-41209 Rev. E, Brushless DC Motor ControllerFEATURESHall-Effect Commutation60 or 120 Sensor SpacingIntegral High-Side Drive for all N-Channel MOSFETBridgesPWM InputQuadrature SelectionTachometer OutputReversibleBrakingOutput Enable ControlCross Conduction ProtectionCurrent LimitingUndervoltage LockoutInternal Pull-Up ResistorsDESCRIPTIONThe Si9979 is a monolithic Brushless dc Motor Controller withintegral high-side drive circuitry. The Si9979 is configured toallow either 60or 120 commutation sensor spacing. Theinternal low-voltage regulator allows operation over a wideinput voltage range, 20- to 40-V Si9979 provides commutation from Hall-effect integral high-side drive, which utilizes combinationbootstrap/charge pump supplies, allows implementation of anall n-channel MOSFET

3-Phase Brushless DC Motor Controller FEATURES Hall-Effect Commutation ... DESCRIPTION The Si9979 is a monolithic brushless dc motor controller with integral high-side drive circuitry. The Si9979 is configured to allow either 60 or 120 commutation sensor spacing. The ... all n-channel MOSFET 3-phase bridge. PWM, direction, quadrature select ...

  Phases, Controller, Motor, Brushless, Brushless dc, Phase brushless dc motor controller