Other Parts Discussed in Thread: AM5728
Tool/software:
I use a TPS6590379ZWSR with AM5728.
The SMPS1 and SMPS2 are connected parallely as the datasheet.
I found the output voltage of SMPS12 fluctuates after system starts up.
Refer to the following figure. (Yellow : SMPS1_SW Green : SMPS2_SW Pink : SMPS12 voltage)
Only the SW2 sometimes stop after the system starts up.
I don't know that's why the SMPS12 (VDD_MPU) fluctuates but the VDD_MPU isn't stable.
But I can use the system with no problem.
Is this phenomenon correct?