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MAX31740 For 2-WIRE & 4-WIRE Reference Design

Hi SIr,

The MAX31740 ADI not release demo board ,can you provide 2-WIRE & 4-WIRE Fan design schematic and PCBA layout document to me refer. thanks

Best

Jack

Parents Reply
  • Rst = Tstart下的thermistor的电阻值。有一些例子在P9 table1  

    RD 可以参考Vmin/Vdd = R2/(R1+R2)= Dmin(%)/200

    CB和RB参考规格书P9 相对应的章节,常见的可以用5Mohm和1uF这个需要您仔细读一下规格书。 

    应该您不需要输入PWM, MAX31740 会自己生成。 

    tach是风扇转速,这个应该没法接回31740里面。您可以看看是不是可以接到您的MCU里面。 

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