G547E1P81U-MSOP-8-HUB专用芯片

General Description

The G547 is an integrated power switch forself-powered and bus-powered Universal Serial Bus(USB) applications. G547E, G547F, G547G,G547Hand G547M are 90mΩ RDS(ON).Several Protection features include current limiting withfoldback, and thermal shutdown to pvent catastrophicswitch failure caused by increasing power dissipationwhen continuous heavy loadsorshort circuit occurs. Abuilt-in charge pump is used to drive the N-channelMOSFET that is free of parasitic body diode to eliminateany reversed current flow across the switch whenit is powered off.OC is open-drain output report over-current orover-temperature event and has typical 9ms deglitchtimeout period.

Features90mΩ High-Side MOSFET(G547E,G547F,G547G,G547H, G547M)Available with 5 Versions of Current Limits with FoldbackOperating Range:2.7V to 5.5V1mS Typical Rise TimeFast Overcurrent Response -3μs (TYPICAL)Under voltage Lockout100μA Quiescent Supply Current1μA Maximum Shutdown Supply CurrentLogic Level Enable Pin, Available withActive-HighorActive-Low VersionNo Reverse Current when Power OffDeglitched Open-Drain Over-Current Flag Output (OC )With Output Shutdown Pull-low ResisterSOT-23-6, SOP-8, MSOP-8 and TDFN3X3-8 PackagesUL Approved_#E232223Nemko IEC 60950-1 CB/CCA_scheme Certification Report #67291

ApplicationsHigh-Side Power Protection SwitchUSB Power ManagementUSB Host and Self-Powered BubsUSB Bus-Powered HubsHot Plug-In Power SuppliesBattery-Charger Circuits