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Breaded Electronics / Embedded » Reference Designs - Circuit Solution notes » USB Parasitic Power
TPS2550 and TPS2551 power distribution switches have integrated FETs that support a 100-mA to 1.1-A current limit range for a standard USB port or other applications requiring a current limited switch
.. TPS2149 USB power controller device.. TPS2114 TPS2015
TI presentation: http://www.ti.com/sc/docs/products/msp/intrface/usb/pwrmgt.pdf
Micrel MIC2505 etc http://www.micrel.com/_PDF/other/USBbroc.pdf
Another: Raychem MINISMD050-2 in MINISMD pkg
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