Parallel outputs

a b

Part Number: LP5861T

I'm looking for programmable current driver with a 1mA -> 500mA range. I wonder if there is a problem with running the LP5861T with parallel ouputs. Is there any reason I can't do this?

over 1 year ago

0 a b over 1 year ago

Prodigy 190 points

If I understand the datasheeet correctly, each output is good for 1mA-125mA. So 4-parallel ouputs whould give me the 1mA-500mA range that I am looking for. I don't know the driver behind the outputs, so I can't tell if tying them together will be a problem.

0 Patrick Yao over 1 year ago in reply to a b

TI__Mastermind 34780 points

Hi,

Our expert is out of office and will give you feedback when comes back.

0 Jared Zhou over 1 year ago in reply to a b

TI__Mastermind 20515 points

Hi a b,

Could you please tell me how many LEDs you want to control, how to connect and how to control them?

BR, Jared

0 a b over 1 year ago in reply to Jared Zhou

Prodigy 190 points

Hello Jared,

There will be 4 LEDs. Each using 4 channels of the 5861 as the above image shows. (16 channels total.) Only one LED will be in use any time. (500mA maximum)

Thank you

0 Jared Zhou over 1 year ago in reply to a b

TI__Mastermind 20515 points

Hi a b,

Yes, I think LP5861T can meet this requirement.

BR, Jared

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Parallel outputs