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LP8861-Q1: LP8861-Q1 four channels parallel connection application

user5195014
Intellectual 450 points
Part Number: LP8861-Q1

Dears

We could find LP8861Q1 two channels parallel connection appliction in the user guide.

Does four channels parallel connection could design in application?

  • 0
    TI__Prodigy 600 points
    This item has been assigned; Someone will reply in a short period of time. Thank you for your interest in this device.
  • 0
    TI__Mastermind 18550 points

    Hello,

    Unfortunately, I am not clear about your question but will take a guess as to what you are asking. I think your question is about whether two channels can be combined to yield a higher string current in the application (200mA)? If this is the question, yes two channels can be combined to to achieve higher string current and the connection can be made as shown in figure 29 on page 29.

    If your question is whether all four channels can be combined to drive one string, this can be done also and all four OUT1, OUT2, OUT3 and OUT4 currents sinks should be tied together in that case to achieve maximum of 400mA in a single string.

    Hope this answers what you were asking  but if it does not, please feel free to post again and clarify your question a bit more and I will get back to you quickly.

    Regards,

    Liaqat

  • 0 in reply to Liaqat Khan
    Intellectual 450 points
    Dears
    Thanks for your patient strong support.Yes my question is weather four channels could be combined together. Your answer has solved my query,this issue could closed. Thanks.