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TB9060FN データシート(PDF) 5 Page - Toshiba Semiconductor |
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TB9060FN データシート(HTML) 5 Page - Toshiba Semiconductor |
5 / 20 page TB9060FN 2002-09-11 5 Functional Description 1. Sensorless Drive On receipt of PWM signal start instruction, turn-on signal for forced commutation (commutation irrespective of the motor’s rotor position) is driven onto pins 15 to 17 and pins 19 to 21, and the motor starts to rotate. The motor’s rotation causes induced voltage on winding wire pin for each phase. When signals indicating positive or negative for pin voltage (including induced voltage) for each phase are applied on respective position signal input pin, the turn-on signal for forced commutation is automatically switched to turn-on signal for position signal (induced voltage). Thereafter turn-on signal is formed according to the induced voltage contained in the pin voltage so as to drive the brushless DC motor. Sensorless drive timing charts (lead angles: 0°, 7.5°, 15° and 30°) are shown below. |
同様の部品番号 - TB9060FN |
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同様の説明 - TB9060FN |
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