LP5524: 4 channel parallel connected?

Bruce li

Part Number: LP5524

Dear TI Experts,

Is it possible to connect 4-channel LED output together to driver a 4-parallel LEDs , and apply PWM signal to vary LED current from 0~100mA linearly ? Thanks a lot.

Below is the sketh

over 7 years ago

0 Kenneth Du over 7 years ago

TI__Genius 14295 points

Hi, Bruce,

Yes.

You can use like this way.

But since you have four LEDs, why don't connect one LED to each channel?

If you think this solves your problem, please help to click "Resolve".

Thanks.
Regards,
Kenneth

0 Bruce li over 7 years ago in reply to Kenneth Du

Genius 5580 points

Dear Kenneth,
Thanks a lot for your support. These 4 LEDs are parallel connected inside a TFT LCD screen. My customer want to use LP5524 to control the brightness.

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LP5524: 4 channel parallel connected?