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TPS25814EVM: Limited to 1.5A ?

Keith Keller
Expert 6650 points
Part Number: TPS25814EVM

Hello,

We are testing the TPS25814EVM with a USB E-load to detect the Max power we can get out of the board and we are only seeing a Max Current of 1.5A. We followed the user manual and messed around with S1 to see any changes of output power, but no luck. We are also using a power supply that is supplying the 19-20V input. 

According to the manual we would think the orientation of S1 should go as this…
S1a = Off
S1b = Off
S1c = Off

Are there any other settings you would recommend for us to change so we may get this 3A output?

Thank you, Keith