TB6537 Toshiba, TB6537 Datasheet - Page 9

• Manufacturer Part Number: TB6537
• Description: 3-Phase Full-Wave Sensorless Controller for Brushless DC Motors
• Manufacturer: Toshiba

9. Start/Stop Control
Timing chart
frequency 4 times higher than the resonator frequency or even higher is input continuously.
PWM signal
Detection
timing
Start
PWM signal
Detection
timing
Stop
Start/Stop is controlled using PWM signal input pin.
A stop is acknowledged when PWM signal duty is 0, and a start is acknowledged when ON-signal of a
Note: Take sufficient care for noise on PWM signal input pin.
512 periods at the resonator frequency
512 periods at the resonator frequency
First detection
9
First detection
Second detection
Start
Second detection
and stop
TB6537P/F
2003-02-20