http://forums.leaflabs.com/topic.php?id=278 A place to share, learn, and grow... en-US Fri, 22 Jan 2016 00:24:43 +0000 http://bbpress.org/?v=1.0.2 q http://forums.leaflabs.com/search.php http://forums.leaflabs.com/topic.php?id=278#post-2172 Wed, 03 Nov 2010 11:13:32 +0000 josheeg 2172@http://forums.leaflabs.com/ <p>This is the 1 amp 805 package I found that is over the 900 ma charging rate and maby would power everything else if the USB source powered it.</p> <p>The computer fuse is proably lower maby the powered usb hub has more power output that is made out of spec or they don't have a fuse because it was cheaper.</p> <p>MF-PSMF050X-2 </p> <p>2.2amp is the one I looked at for right next to the - neg lead on the battery. </p> http://forums.leaflabs.com/topic.php?id=278#post-2171 Wed, 03 Nov 2010 11:07:20 +0000 josheeg 2171@http://forums.leaflabs.com/ <p>resetable polyfuse- should one of these be on the maple and what one would work well with a Li-pol battery I found this one in mouser and am thinking of strapping it to my design. </p> <p>the fuse I decided on because the data sheet for the battery said<br /> "Over Current Protection: 1.8 - 3.0A" &amp; "Rated for 2.1A Hold Current @ 25°C"</p> <p>now for the usb port what value would be sugjested? 500ma like the arduino uno because it charges the battery etc. </p> <p>Here are the charging specs for this battery :<br /> "Recommended charge rate is 450mA to 4.2V in a temperature range of 0°C to 45°C. Hold at 4.2V until current declines to 90mA. Maximum charge rate is 900mA @ 20°C±5°C."</p> <p>resetable fuse<br /> MF-PSMF110X-2 </p> <p>battery<br /> UBP002<br /> 24 AWG Wire: Red (+), Black (-) </p>