The Toshiba 3-Phase sine-wave PWM driver is developed for brushless motors. It controls motor rotation speed by changing the PWM duty cycle, based on the speed control input. The Hall signal is supported to three sensor.
Built-in Auto lead angle architecture (InPAC：Intelligent Phase Control) Power supply: absolute maximum voltage: 40 V Output current: absolute maximum current: 3 A Selectable rotational speed command input signal: Pulse duty signal input/ analog voltage input Selectable PWM frequency Adjustable minimum duty in PWM control Adjustable speed ratio in PWM control Selectable lead angle control function: Auto lead angle function (proportion to frequency /phase control) and External lead angle control (32 steps correspond to 0° to 58°) Selectable rotation direction Brake function terminal Selectable lock detection function Restart function Rotation frequency signal (FG_OUT): 1 pulse/ electrical angle 360°, 3 pulses/ electrical angle 360° Lock detection signal (LD_OUT) Power supply voltage monitoring function Overcurrent detection circuit (ISD) Thermal shutdown circuit (TSD) Under voltage lockout circuit (UVLO) Current limit circuit: external sensing resistor Adjustable start conditions
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