LP8555: How to connect LP8555 to drive 120mA per chain LED?

Jason Dai

Expert 3720 points

Part Number: LP8555

Dear E2E,

How to connect LP8555 to drive 120mA per chain LED?

there are 4 chain in customer's application.

BR,

Jason

over 4 years ago

0 Sean Zhou over 4 years ago

TI__Mastermind 22745 points

Hi Jason,

You can combine LEDA1-3 together to driver one LED string and LED4-6 to one LED string, LED7-9 to one LED string, LED10-12 to one LED string,and each LEDAx channel to 40mA, then you can driver four-string with 120mA each channel.

Regards

Sean

Power management

Power management forum

LP8555: How to connect LP8555 to drive 120mA per chain LED?