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CIRCUIT OPERATION
4-5. Fan Function
IN OUT
Remark
Remark
1) TA7291P is the Drive IC for the only DC MOTOR, and used for control of the FAN MOTOR.
- Vref is the reference Voltage for the adjustment of the ouput voltage by the voltage
distribution of Vs (Maximum ouput voltage), and the output voltage applied to the
Fan is determinded by the PWM control using the software.
- In case that Vs Max (maximum output voltage ) is 15.5V,
The setting value in the current production used in the software, being the output.
Voltage applied to each output when considering the output value of 14.2V as 100.
2) Explanation for the Operation
1) Circuit Diagram
2) One input and output is used for the control of the FAN MOTOR.
Input 1 (Motor IC 5)
1
0
High
Low Stop
Output 1 (Motor IC 2)
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