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BQ76940EVM: Calibrate Current Problem

Part Number: BQ76940EVM
Other Parts Discussed in Thread: BQSTUDIO

Hi 

I am using BQ76940EVM BMS system and I have problem doing the current calibration.

I am following the steps as described in the user guide section 2.2.2 Gauge Quick Start.

I am stuck at step 23, which is calibrate current step.

I have send FET_EN command but I couldnot see CHG and DSG FET status enabled in register view as said in step 18. 

So I think I am not able to set the calibrate current. I have connected 2A programmable load, but it doesnot draw any current. 

How do I enable those FETS?