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EVAL6207N Datasheet(PDF) 26 Page - STMicroelectronics |
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EVAL6207N Datasheet(HTML) 26 Page - STMicroelectronics |
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26 / 34 page ![]() EVAL6208N board configuration AN1794 26/34 10.1 Vref offset adjustment (R18) Using a voltmeter monitor the voltage at the VrefA or VrefB test point on the EVAL6208N board with respect to GND (CN1) when calibrating the offset. 10.2 Current scaling When potentiometers R20 and R21 are set full clockwise, a 100% current setting on the practiSPIN software screen corresponds to a Vref of approximately 0.88 Vdc or a peak motor current of about 2.64 A. The peak current can be set to a lower value by adjusting R15 and R18. The reference voltage inputs can be monitored at the VrefA or VrefB test point After tube recognition the microcontroller will set the right run frequency for the connected lamp. |
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