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current limiting device / E-fuse

Question asked by Lucast85 on Jul 11, 2018

Dear all,

I'm going to design a current limiting device for "medium voltage" lithium batteries (20 V< Vbatt <100 V). The involved currents are in the order of hundreds of Ampere.

I'm talking about a device like this one: CLD™ - Current limiting device - Hot swap of Incell Lithium battery - YouTube 

I'm considering to use the new MOSFETS with wide SOA and low RDS but I have to design the control circuits.

Anyone has some tips about this type of circuits?

Thanks in advance.

Luca

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