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| Carambola Dev-Board maximum current @ 5V https://www.8devices.com/community/viewtopic.php?f=1&t=774 |
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| Author: | phlap [ 24 Jun 2014, 18:41 ] |
| Post subject: | Carambola Dev-Board maximum current @ 5V |
Hi there, I am planning to use the prototyping area on the Carambola Dev-Board, where I already spotted some rails for GND, 5V and 3.3V. I assume these pads are the same lines that are wired upon the appr. pins in J5 header area. What current am I safely able to draw from the two 3.3V and 5V lines? I am going to hook up an external GPS receiver which already hosts 3.3V level UART Rx/Tx on an micro USB connector, which also can be used to power the device (and charge the battery, if inserted). It is a Holux GPSlim236 unit, the label says a maximum of 800 mA @ 5V would be needed (I assume for charging). I do not know any real values by now, as I do not have any measurement equipment here by now. But if you say it would not be save to power the GPS device from the prototype area's rails, I will go for an extra supply. Thanks in advance! Philipp |
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| Author: | gedass [ 24 Jun 2014, 19:20 ] |
| Post subject: | Re: Carambola Dev-Board maximum current @ 5V |
Hi, 5V DC/DC converter max current is 3A.Carambola module consume about 1A. |
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| Author: | phlap [ 24 Jun 2014, 21:53 ] |
| Post subject: | Re: Carambola Dev-Board maximum current @ 5V |
Thank you for this information! So this shall be good enough I think and will keep the job simple. |
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