Other Parts Discussed in Thread: TDA2E
Our AVM controller uses TPS65919 and TDA2e(17*17),the sequence of the PowerOn is BAT -> UG5V -> UG3V3-> MCU Reset ->PMIC_HOLD(PMIC is enabled).
Our problem is the output of the TPS65919‘s LDO1 seems unnormal when we make TPS65919 enabled.
We have measured the input, output and control, all of them worked well.
How can I find the reason for it?
By the way,the measured waveform is as following: UG5V, UG3V3,PMIC_Hold,LDOVRTC,PMIC_VIO,VDD_SD,Reset_out.
The schematic is as following,