参数资料
型号: TA8462FG
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, PDSO10
封装: 0.225 INCH, 1 MM PITCH, LEAD FREE, PLASTIC, SSOP-10
文件页数: 5/10页
文件大小: 305K
代理商: TA8462FG
TA8462F/FG
2006-3-2
4
Fig.1 Auto mAtic Self Rotation Recovery Circuit Operation
When the motor is rotating, it is charged and discharged repeatedly by trigger pulse but if the motor rotation is
physically restrained, CSC discharge by trigger pulse is stopped and the potential further increases. During this
period, current flows continuously to the motor. If VSC (OSC potential) reaches VSCU (3.5 V Typ.), discharge
starts slowly and at the same time, the output is turned OFF to cur off current flowing to the motor. When the
VSC potential reaches VSCL (1.5 V Typ.), the output is turned ON to allow current flow to the motor and torque
is generated.
As long as the motor rotation is kept restrained, this operation is repeated and the output is turned ON / OFF at
a ratio of nearly 1 : 5.
By this operation, the motor is heated and cooled and its temperature rise can be suppressed to a certain level.
If the motor is released from the above restraint, the motor is started to run again by the generated torque and
is continuously rotated by the generated trigger pulse.
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