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adn2850 problem

Question asked by ali_moslehi_rad on Nov 16, 2017
Latest reply on Nov 21, 2017 by koushik.kops

Hi I use ADN2850BCPZ250 digital resistor for LED Light controlling. this project consist of two board, driver board and ADN2850BCPZ250 board. ADN2850BCPZ250 board work correctly and I can turn resistor by android mobile application as well. 

my LED diver board control by potentiometer correctly, but when I connect my ADN2850BCPZ250's W and B pin to driver board, driver IC in LED driver board damaged and driver board doesn't work after this. 

I don't know what problem is? can help me in this problem. hear is my circuit design :

ADN2850 put in instead of Rad1 in circuit. 

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