Click to expand full text
A89306
50 V Ultra-Low Noise FOC Motor Controller
FEATURES AND BENEFITS
• Code-free sensorless field-oriented control (FOC), for driving motors at up to 400 Hz
• Constant speed, constant torque, constant power, or openloop operating mode
• I2C interface for motor control and status readback • Universal 32-point speed/power/torque/duty curve • Ultra-quiet operation • Proprietary non-reverse fast startup • Soft-On Soft-Off (SOSO) for quiet operation • Analog / PWM / Clock mode speed control • Configurable current limit • Windmill startup operation (fwd and rev) • Lock detection • Short-circuit protection (OCP) • Brake and direction inputs • Adjustable gate drive
APPLICATIONS
• Ceiling fans, pedestal fans • Bathroom exhaust fans • Air purifier, humidifier, dehumidifier fans • Home appliance f