TB6548F_06 TOSHIBA [Toshiba Semiconductor], TB6548F_06 Datasheet - Page 8

• Manufacturer Part Number: TB6548F_06
• Description: Three-Phase Full-Wave PWM Sensorless Controller for Brushless DC Motors
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

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