Please let me know if the following is useful:
I did up this diagram of a Max77620 power rails at boot up on a Nintendo Switch
If anyone finds errors on it please let me know
I hope it will be of help in fault finding
There may be similarities in the forum, but I have not encountered them here.
I am very new to this forum
The following are the MAX77620 Power Rails on the power-up sequence
Stage 1 Voltages indicated in the image with *
VDD_1V05
Stage 2 Voltages indicated in the image with **
VCC_2V9
VDD_1V3
VDD_1V05V
VCC_3V3 - (not seen in all models)
Both Stage 1 and 2 voltages are indicated in the image with ***
VDD_1V0
VDD_CPU_1V8
VCC_3V3
VDD_1V05
VDD_1V3
VDD_CPU_1V0
VDD_CPU_1V1
These are mentioned in the image also. Hence, keeping text and image in one diagram
To be able to zoom in and out, you may have to download the image to your desktop and open it with photo. In photo, you can then zoom in and out on the image
