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BQ40Z50-R1: CURRENT SENSE VOLTAGE LIMIT

Part Number:BQ40Z50-R1

Hello,on the Absolute Maximum Ratings chapter in DATASHEET SLUSCB3 it is written that the maximal Voltage drop between SRN SRP pins is 0.3 Volt.
I'm using a large sense resistor between SRP & SRN pins in order to measure low currents down to 40 micro Amp. 
As a result the maximal Charge current is 1.2 A.
Is there any Option to increase the Charge current without causing any damage to the device?
What is the reason for that 0.3 voltage limit?

Thank you for your help !


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