G554 - Global Mixed-mode Technology

G554 Dual Power Distribution Switch

The G554 is an integrated dual channel 118mΩ power switch for self-powered and bus-powered Universal Serial Bus (USB) applications. Several Protection features include current limiting with foldback, and thermal shutdown to prevent catastrophic switch failure caused by increasing power di.

Features

„ 118mΩ High-Side MOSFET „ 450mA Typical Current Limit with Foldback „ Operating Range:2.7V to 5.5V „ 400µS Typical Rise Time „ Under voltage Lockout „ 65µA Quiescent Supply Current „ 1µA Maximum Shutdown Supply Current „ Logic Level Enable Pin, Available with Active-High or Active-Low Version „ No Reverse Current when Power Off „ Deglitched Open-Drain Over-Current Flag Output ( OC ) „ SOP-8 Package Applications „ High-Side Power Protection Switch „ USB Power Management „ USB Host and Self-Powered Bubs „ USB Bus-Powered Hubs „ Hot Plug-In Power Supplies „ Battery-Charger Circuits General Desc.