Ps42419ha Schematic Work 2021 -

Some versions require an external capacitor on SS. Leaving it floating can cause inrush current at startup. Add a 10nF to 100nF capacitor from SS to GND.

Search for the manufacturer’s application note (e.g., “PS42419HA EVM User Guide”). If unavailable, reference the datasheet’s “Typical Application Circuit.” ps42419ha schematic work