ta84005f TOSHIBA Semiconductor CORPORATION, ta84005f Datasheet - Page 8

• Manufacturer Part Number: ta84005f
• Description: Three-phase Full-wave Pwm Sensorless Controller For Brushless Dc Motors
• Manufacturer: TOSHIBA Semiconductor CORPORATION

8. Start/Stop Control
Timing chart
of a frequency four times higher than the resonator frequency or greater is input continuously.
PWM signal
Detection
timing
Start
PWM signal
Detection
timing
Stop
Start/Stop is controlled using the PWM signal input pin.
A stop is acknowledged when the PWM signal duty is 0, and a start is acknowledged when the ON-signal
Note: Take sufficient care regarding noise on the PWM signal input pin.
512 periods at the resonator frequency
512 periods at the resonator frequency
First detection
8
First detection
Second detection
Start
TB6548F/FG
Second detection
and stop
2006-03-02