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Product category: Power Supply ICs and Controllers
News Release from: Allegro MicroSystems Europe | Subject: A4931 DC motor pre-driver integrated circuit
Edited by the Electronicstalk Editorial Team on 02 November 2007
Predriver enables advanced motor control
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Enable, direction and brake inputs can be used to control the motor, speed, position and torque.
Allegro MicroSystems Europe has released the A4931 three-phase brushless DC motor predriver integrated circuit with outputs for the direct high-current gate drive of an all N-channel power MOSFET three-phase bridges, with a maximum supply voltage of 38V The device includes three Hall-element inputs, a sequencer for commutation control, fixed-off-time pulsewidth modulation (PWM) current control and locked rotor protection
This article was originally published on Electronicstalk on 30 Aug 2000 at 8.00am (UK)