TLC6C598-Q1: Input VCC+0.1V to other pins

Masaru Oinaga

Intellectual 2980 points

Part Number: TLC6C598-Q1

Hello, Team,

The customer would like to know whether it is possible to input VCC + 0.1V to other signal lane pins.

Thanks and Best Regards,
Masaru

over 3 years ago

0 Frank Qiu over 3 years ago

TI__Genius 15776 points

Could you describe your issue more clearly, i don't figure out what's the meaning of "other signal lane pins"

0 Masaru Oinaga over 3 years ago in reply to Frank Qiu

TI__Intellectual 2980 points

Hi,

In order to reduce standby current, the customer is blocking the power of LED driver using digital transistor.
Therefore, there is a "difference" between output signal of MCU because of the voltage drop of the transistor.
Thus, they need to check whether this "difference" in voltage level is ok.

"Other signal lane pins" are: CLR, G, RCK, SRCK, SERIN.
These pins are connected to MCU.

Thanks and Best Regards,
Masaru Oinaga

0 Frank Qiu over 3 years ago in reply to Masaru Oinaga

TI__Genius 15776 points

I think it's ok if the signal voltage level are different from Vcc voltage level.

Power management

Power management forum

TLC6C598-Q1: Input VCC+0.1V to other pins