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Home Forum Hardware & Machines PC Computers USB Current 5 volts

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TOPIC: USB Current 5 volts

USB Current 5 volts 11 Июн 2012 16:31 #20828

  • cwebs
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Anyone know how much current you can safely pull of the USB 5 volts? I would like to use that to run my SSR relays and remove a 5 volt power supply that I am now using. Thanks Carl
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Re:USB Current 5 volts 11 Июн 2012 17:15 #20829

  • PCW
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I think any USB host needs to supply the minimum (100 mA) and most
(except perhaps hubs) should supply the maximum (450 mA) OK
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Re:USB Current 5 volts 11 Июн 2012 17:32 #20830

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Thanks PCW. That's more then I need for a couple SSRs and power on LED. Carl
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