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TMCS1101: Current Limit

Part Number: TMCS1101

Hello All,

Greetings !!!

I am looking for replacement for the current sensor ACS723LLCTR-40AU-T from Allegro Microsystems.

I come across TMCS1101A2UQDR from TI. Observed that the typical resistance of the TI part is 1.8mOhm which is almost 3 times more than the Allegro part.

We want to measure maximum of 25Amps DC. So the TI part dissipates  1.125W. The ambient temperature can be as high as 50 Deg. C

TI website says maximum current of the TI part is 20Amps. 

So is it TMCS1101A2UQDR not suitable replacement for our application ?

Thanks and Regards

G R K Nagaraju