MP2617 Input Voltage

Hello,

I’m working on an application where the supply voltage is in the range of 13.8 V to 14 V. Could you please advise what inductor value would be suitable for this voltage range? Additionally, if you have a reference design available for such an application, I would greatly appreciate it if you could share it with me.

Thank you for your support.

Hello suwin, welcome to the MPS Forums!

To start, what variant of the MP2617 are you using? There are MP2617A/B/H variants.

Given your input range, I can only assume you are using the MP2617H as this has an input range of 4V - 14V Input whereas the A and B variants have a range of 4V - 10V Input.

As for a design to reference to, see the following typical application schematic and the respective BOM:


The inductor for this application is 2.2uH, here is a specific inductor to order here:
image
(MPL-SE6040-2R2 | Semi-Shielded Inductor 2.2µH | MPS)

Hope this provides some insight.

Best,
Krishan

Hi Krishan

Thank you for the above

When battey is not connected should i leave battery line floating?

Hi Krishan

In the side of IC pads connected to the bottom of the IC pads?

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