A4964
A4964 is Sensorless Sinusoidal Drive BLDC Controller manufactured by Allegro MicroSystems.
- Sensorless Sinusoidal Drive BLDC Controller
Features
AND BENEFITS
- Three-phase sensorless BLDC motor control FET driver
- Three-phase sinusoidal drive with soft start
- Sensorless start-up and mutation
- Windmill detection and synchronization
- Bootstrap gate drive for N-channel MOSFET bridge
- 5.5 to 50 V supply range
- SPI-patible interface
- Programmable control modes: speed, voltage, current
- Peak current limiting
- Control via SPI or PWM
- Programmable gate drive for slew rate control
- LIN / PWM physical interface with wake
- Logic supply regulator with current limit
- MCU watchdog and reset
- Ignition switch interface
- Diagnostics, status, current, and speed...
