It can also operate as an independent single chip remote motor controller. The A4964 provides the supply and watchdog for the microcontroller and the high-voltage interfaces between the microcontroller and the central ECU and ignition switch. It is designed to provide the motor control functions in a system where a small microcontroller provides the communication interface to a central ECU and intelligent fault and status handling.
Allegro’s A4964 is specifically designed for the automotive market with target applications to include engine cooling fans and oil and water pumps. Provides Flexible, Low Audible Noise and Vibration SolutionĪllegro MicroSystems, LLC introduces the release of a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external N-channel power MOSFETs. Allegro MicroSystems, LLC Introduces New Sensorless Sinusoidal Three-Phase Gate Controller
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