What the 155 µA supply current buys the BOM
The TPS2514DBVR draws 155 µA from the USB VBUS rail when active — low enough that a battery-powered host can leave the charging port enabled without draining the main battery overnight. For a 5000 mAh power bank, that quiescent draw extends standby months beyond a discrete-switch solution.
The SOT-23-6 package is a standard TI footprint with broad second-source availability from multiple distributors.
The small footprint suits compact USB port designs where board space is at a premium.