Brushless DC Drivers
Automotive Sensorless Sinusoidal BLDC Controller with LIN Interface and Diagnostics
A4964
The A4964 provides a comprehensive solution for automotive BLDC motor control, featuring sensorless sinusoidal drive, programmable control modes, LIN interface, and integrated diagnostics for enhanced performance and reliability.
Product Details
Product Details
Top 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 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 feedback
Typical Applications
- Automotive fuel, oil, and urea pumps
- Automotive fans and blowers
Target Application
