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[SOLVED] LCD power supply source: TPS65150

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flote21

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Hello folks!

I am wondering about how to setup a custom VCOM on the TPS65150. According to the datasheet and some aplication examples, VCOM is outputing the voltage of the "IN" input correct?

Is there any GAIN or in the following exmple, VCOM=VS/2?

1673422958762.png


Thanks in advance

Greetings
 

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Hi,

Datasheet says:

IN --> Buffer (gain = 1) --> VCOM

You may disable the buffer by connecting IN to GND.
IN voltage limits: 2.25V ... V(SUP) - 2V

Klaus
 

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    flote21

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