WT6621 Datasheet PDF

Weltrend WT6621

The WT6621 is a dual integrated power switch optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. With independent enable and error flag functions, the WT6621 can ease control the supplied power conditions of USB down stream; each switch channel can supplies up to 500mA to downstream devices; the switch low on-resistance meets USB voltage drop requirements; fault current is limited to typically 750mA, and a flag output is available to indicate fault conditions to the local USB controller. All Rights Reserved 27 March, 2000 WT6621 Dual USB Power Control Switch FUNCTIONAL DESCRIPTION The WT6621 is a dual power switches with active low (or active high) enable inputs.