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@ -67,7 +67,7 @@
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(aux_axis_origin 0 0)
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(visible_elements 7FFFFB3F)
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(pcbplotparams
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(layerselection 284983297)
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(layerselection 3178497)
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(usegerberextensions true)
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(excludeedgelayer true)
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(linewidth 0.150000)
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@ -91,7 +91,7 @@
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(mirror false)
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(drillshape 0)
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(scaleselection 1)
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(outputdirectory PowerSSO-24_breakout_gerbers))
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(outputdirectory ""))
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)
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(net 0 "")
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@ -30,13 +30,14 @@ LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:vnd5e025aktr
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LIBS:PowerSSO-24_breakout-cache
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EELAYER 27 0
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EELAYER END
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$Descr A 11000 8500
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encoding utf-8
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Sheet 1 1
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Title "pOWERsso-24 breakout"
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Date "1 mar 2015"
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Date "2 mar 2015"
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Rev "R0.1"
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Comp "rusEFI"
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Comment1 ""
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@ -466,6 +467,6 @@ NoConn ~ 9650 6650
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NoConn ~ 9650 6750
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NoConn ~ 9650 6850
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NoConn ~ 9650 6950
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Text Notes 5500 3650 0 60 ~ 0
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10A PCB drive capable design \n\n5V / 10k = .5 mohms, then 3X potentail MCU on-states, so Is = 1.5mA.\n(Is is max on-state current)\n\nR101 <= .6V / .0015 = 400 ohms\nR101 >= -16V / .2A = 80 ohms
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Text Notes 6250 2950 0 60 ~ 0
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10A PCB drive capable design \n\n5V / 10k = .5 mohms, then 3X potentail MCU on-states, so Is = 1.5mA.\n(Is is max on-state current)\n\nR101 <= .6V / .0015 = 400 ohms\nR101 >= -16V / .2A = 80 ohms\n\nIf output P107 or P108 is not connected to a load, it's suggested to install a 22k \nohm resistor, in the unused connector.
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$EndSCHEMATC
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@ -1,3 +1,3 @@
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1) pin#1 mark for PowerSSO-24 chip
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1) add pin1 marker to footprint
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2) Larger diameter holes for GND, VCC and out wire holes. Larger diameter holes for input wires also, just in case
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3) larger diameter heatsink vias to simplify soldering
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