How much current can we draw on io_x DUET 3
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How much current can we draw on the 5V pin of a IO_x of a DUET 3 EXP3HC ?
Can I use this pin to power a RC servo that may draw 0.65A ?plant your ideas, water suggestions and questions, collect progress and do great things.
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@steevebecker
Not official here, but might depend on what else you are powering. I thought there was a 3A total limit on the 5V including Raspberry Pi and Dotstar.Might check documentation in those areas or the forum posts about powering the Pi from the Duet.
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@steevebecker said in How much current can we draw on io_x DUET 3:
How much current can we draw on the 5V pin of a IO_x of a DUET 3 EXP3HC ?
Can I use this pin to power a RC servo that may draw 0.65A ?If you are already powering a RPi from the Duet, then another 0.65A may be a little too much. In standalone mode, not a problem.
Duet WiFi hardware designer and firmware engineer
Please do not ask me for Duet support via PM or email, use the forum
http://www.escher3d.com, https://miscsolutions.wordpress.com -
@dc42 said in How much current can we draw on io_x DUET 3:
@steevebecker said in How much current can we draw on io_x DUET 3:
How much current can we draw on the 5V pin of a IO_x of a DUET 3 EXP3HC ?
Can I use this pin to power a RC servo that may draw 0.65A ?If you are already powering a RPi from the Duet, then another 0.65A may be a little too much. In standalone mode, not a problem.
Is that the same on an Expansion board David as there won't be a Pi on that?
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The 5V regulator on an expansion board is rated at 1A total. The MCU takes about 0.1A.
Note, large servos dump power into the +5V rail when they decelerate. The internal 5V rail on the expansion board (and the Duet 3 main board) are protected against over-voltage, but could damage anything else that you connect to the 5V outputs.
