U4
MAX77620HEWJ
PMIC
Power management IC
About this component
Supplies the OLED model's main SoC and system rails, sequences power-up and keeps the RTC, under I2C control from the Tegra. The CPU/GPU core rails come from the MAX77812 sub-PMIC. Replace like for like with the H variant. Part variants: Paired with a MAX77812EWB sub-PMIC for the CPU/GPU rails.
What it does on this board
Main SoC power management.
Pinout & readings
No pinout or reference readings yet — these show what each pin does and what a healthy part should measure.