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CSD95480RWJ: Circuit condition of CSD95480RWJ and CSD95482RWJ

Y.Ottey
Mastermind 6145 points
Part Number: CSD95480RWJ
Other Parts Discussed in Thread: CSD95482RWJ,

Dear all,

I woud like to ask about CSD95480RWJ and CSD95482RWJ.

I'm requesting a detailed data sheet, but our customer wants an answer as soon as possible. Could you please tell us the following questions?

・ I want to know how to determine constants for peripheral components when using CSD95480RWJ and CSD95482RWJ.
For example, the resistance value and inductor value attached to LSET.
(The red circle in the figure below.)

・ Check that CSD95480RWJ is a product that can output up to 70A.
If you check the following figure, you can use it even if the output current is 10A or less. Is it possible that PWM control cannot be performed under these conditions?

Best Regards,

Y.Ottey

  • 0
    TI__Mastermind 18200 points

    Y.Ottey,

    Thanks for posting. 

    Regarding your first question, I'd prefer to take this offline. I'll send you a friend request and we can discuss. 

    Regarding your second question, there is not issue support low currents all the way down to 0A. For high currents up to 70A, the max Iout truly depends on the thermal situation of the board, your board, and the environment. 

    It all comes down to how much power you feel comfortable dissipating into the device. While it would be near impossible to be able to dissipate 15W continuously thorough a 5x6 QFN, it can handle 70A for a short duration. But for continuous operation, you will likely want to limit yourself to under 3 to 4W of Pdissipation, again that value depending on your thermal environment.  

  • 0 in reply to Brett Barr1
    Mastermind 6145 points

    Dear Brett

    Thank you for your reply.

    I approve your friend request.

    Do you discuss my first question with you via E2E direct message or e-mail?

    Regards,

    Y.Ottey

  • 0 in reply to Y.Ottey
    TI__Mastermind 18200 points

    I'll provide my email over E2E private messenger and then we can communicate that way.