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THB6128 can not drive motor to reverse

THB6128 can not drive motor to reverse

‎09-07-2017 10:53 PM

Hello~ everyone

 

These days I have a problem that THB6128 can not drive motor to reverse.

 

After the change of the chip CW/CWW's current, the motor was unable to change the driving direction or the motor can not turn. Please look at the diagram.

 

160021v7eog9oyef9c6fzt.png

 

CW/CWW: Motor Forward and Reverse Control End
When CW/CWW in low current, the motor turns forward.
When CW/CWW in high current, the motor turns reversely.

 

Who knows what is the reason？

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