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LM5088: LM5088 : constant current control

Masazumi Ishii
Genius 3945 points
Part Number: LM5088
Other Parts Discussed in Thread: LM5116, , LM5117

hello.

I'm thinking of using LM 5088 or LM5116.

・Is there a method for constant current control with this device?

・Is there any other matching device?

For details, please see the attached file.
thank you.

LM5088.pdf

  • 0
    TI__Mastermind 40040 points
    Hello,
    Yes you can implement constant current control, but you will have to sense the output current and translate this back to the feedback voltage of the LM5088 to regulate the current. Alternatively you can implement the current monitor feature on the LM5117, which is a much easier approach. There are some details in the datasheet of implementing this scheme.

    Please let me know if you have any questions regarding the LM5117 as a CC regulator?

    Hope this helps?

    David.
  • 0 in reply to David Baba
    Genius 3945 points

    Hello.

    thank you for your answer.

    Can I have application notes and circuit examples for constant current control using the LM5088 and LM5117?

    thank you.

  • 0 in reply to Masazumi Ishii
    TI__Mastermind 40040 points
    I have a blog soon to be released in Power House discussing the use of the LM5117. If you email me at david.baba@ti.com I can let you have the pre release.

    Hope this helps?

    David.