Datasheet Details
| Part number | A4964 |
|---|---|
| Manufacturer | Allegro MicroSystems |
| File Size | 3.70 MB |
| Description | Sensorless Sinusoidal Drive BLDC Controller |
| Datasheet |
 A4964 Datasheet
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General Description
The A4964 is a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications.
Key Features
- Three-phase sensorless BLDC motor control FET driver.
- Three-phase sinusoidal drive with soft start.
- Sensorless start-up and commutation.
- Windmill detection and synchronization.
- Bootstrap gate drive for N-channel MOSFET bridge.
- 5.5 to 50 V supply range.
- SPI-compatible interface.
- Programmable control modes: speed, voltage, current.
- Peak current limiting.
- Control via SPI or PWM.
- Programmable gate dri.