What this part is — and what it does on the board
The INA239AQDGSRQ1 is a digital power monitor IC, AEC-Q100 qualified for automotive applications. It measures bus voltage, current, and power, reporting over a digital interface. The -40°C to 125°C operating range suits under-hood use. The 10-VSSOP package is a surface-mount option for dense ECU layouts.
