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LM5175: Actual usable Output Power?

Jungsik Kwak
Prodigy 20 points
Part Number: LM5175
Other Parts Discussed in Thread: LM5176, LM5177

Hi.

I want to use LM5175 in boost mode.

The H/W configuration environment is as follow.

- Input Power: 12-16.5V (Battery Power), (12V*6A)*(4 Battery Pack Parallel) = 288W

- Output Power: 24V@280W

- Q1:  Is a 280W power design possible with a single LM5175 configuration?

- Q2: please tell me the maximum output.

- Q3: Can I configure LM5175 in parallel and use it as on load?

I will wait for your reply. Thanks for your help.

- Jungsik kwak

  • 0
    TI__Guru 58641 points

    Hi Jungsik,

    the LM5175 should be able to support this.

    The output power is mainly defined by the external components, for this power level this needs to be carefully selected and also the thermal dissipation needs to be designed properly as this is for sure on the area where gets critical.

    You can also check the LM5176 - this is the improved version of the LM5175.

    If you need parallel operation the LM5177 would be the better device as this one has internal logic to support this already while the LM5175 and LM5176

    Best regards,

     Stefan