FUSB302BMPX (onsemi) Shortage Analysis FUSB302BMPX is a cost-effective PD trigger IC widely used in power banks, desk fans, humidifiers and other small household appliance 20V power supply modules. Constant high demand of consumer fast-charging accessories makes the component out of stock for a long period, while analog wafer capacity is prioritized for automotive chips, bringing heavy procurement pressure to small & medium consumer electronics factories. Authorized Replacement Options Domestic alternative: Full series PD trigger & sink ICs of Maxic;Import alternative: Richtek PD interface controller with direct pin-to-pin replacement without PCB modification.