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Thank you pedja,

I'll give it a try with what I have in my drawer up to now.

I still don't know what MOSFET I should choose....

Thanks pedja,

The schemas come from this exact document you refer to in your last post, adapted to DC supply.



Can you please explain?

Without any "switch" (MOSFET in this cas, how I...

BTW, I don't think the above schema will work.

Is this really correct?
9014



Shouldn't it be something more like this?
9015

Hi All,

I'm now (finally...) building my project and its about time to order the missing components to have something to play with (without any reference to naughty thoughts :D).

So, here's the...

Hi Alain,

I thought these BMS circuits were already interated in the batteries?

When I look to one of my LiPo battery, I can see some kind of a circuit at the top of it.

I might be wrong,...

Thanks Ioannis.

I'll give it a try with a few different MOSFETs and see what happens.

For any reason, until I haven't tested it with my "hands" (and the voltmeter :biggrin:), it doesn't get...

If I may ask further,

The "most important" value to take care off is the "Gate Threshold Voltage"; right?

It has to be as low as possible...but how low and why?

8859

I thought RDSon value...

Thanks Sayser,

Unfortunately, 3.2V will be too low - anyway, thanks for the Li-FePo4 advice ;)

8857
BTW, going back to AN1149 and the choice of the P-Channel MOSFET, as I don't know if a...

Thanks Richard,

That was really quick!!! ;)

Yup, I think this is exactly what I'm looking for.

I should have thought about these chips since I sometimes use MCP73831 ones.

Thanks a lot...

Hello All,

I'm making GSM alarm controller using a SIM800L GSM chip from SIMCOM.

Since the project is about "monitoring" and "alarming", it is important ton ensure a redundant power feeding (=...