I MADE A OLED DRIVER WITH TPS65640,BUT VGL HAS NO NEGATIVE VOLTAGE OUTPUT,PLEASE HELP ME SOLVE THE PROBLEM,THINKS!
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Hello, Xiao,
Can you please provide a complete schematics of the TPS65640 in your design? I only see a partial schematics and it is not enough to understand the cause of the issue you are seeing. Can you please convert your complete schematics into a .pdf and attach?
Kind Regards,
Liaqat
Hello Xiao,
I am glad that your problem is resolved.
Kind Regards,
Liaqat