A89307
FEATURES
AND BENEFITS
- Code-free sensorless field-oriented control (FOC)
- Constant speed, constant torque, constant power, and open-loop operating modes
- I2C interface for speed control and status readback
- Programmable, flexible in-to-output transformer
- Ultra-quiet low speed operation
- Proprietary non-reverse fast startup
- Soft-on soft-off (SOSO) for quiet operation
- Analog / PWM / Clock mode speed control
- Closed-loop speed control
- Configurable current limit
- Windmill startup operation
- Lock detection
- Short-circuit protection (OCP)
- Brake and direction inputs
- Adjustable gate drive
- Automotive AEC-Q100 qualified
APPLICATIONS
- Battery cooling fan
- Radiator fan
- Fuel, oil pump
PACKAGE
Not to scale
28-contact QFN with exposed thermal pad and wettable flank 5 mm × 5 mm × 0.90 mm
(ET package)
DESCRIPTION
The A89307 is a 3-phase, sensorless, brushless DC (BLDC) motor driver (gate driver) that can operate from 5.5 to 50 V.
A field-oriented control (FOC) algorithm...