Tool/software: WEBENCH® Design Tools
use the GUI set IOUT_CAL_GAIN,IOUT_CAL_OFFSET and IOUT_OC_FAULT unsucessfully. The GUI dispaly"TPS40401 @ 127d: IOUT_OC_FAULT_LIMIT [0x46]: wrote 15.0 A [0xF81E] to the device and it was ACKed, but a write verification read back returned 15.5 A [0xF81F]". And set IOUT_OC_WARN is OK. I have enable write protection for all command. I don't know why?