BUF16821-Q1: Use VCOM channel as Gamma channel

Roy Chou1

Genius 14855 points

Part Number: BUF16821-Q1

Hi Team,

May we use VCOM channel as gamma channel?

If yes, do we have any concern point?

Regards,

Roy

over 1 year ago

0 Patrick Yao over 1 year ago

TI__Mastermind 31240 points

Hi Roy,

I am out of office and will give you feedback tomorrow, thanks for your patience.

Patrick

0 Roy Chou1 over 1 year ago in reply to Patrick Yao

TI__Genius 14855 points

Patrick,

In addition, can you help check the schematic for us?

Regards,

Roy

0 Patrick Yao over 1 year ago in reply to Roy Chou1

TI__Mastermind 31240 points

Hi Roy,

From my side it is ok to pre-program the VCOM as gamma channel. But the voltage accuracy of VCOM is worse than gamma output. Please refer to EC table.

Patrick

Power management

Power management forum

BUF16821-Q1: Use VCOM channel as Gamma channel