<?xml version="1.0" encoding="UTF-8"?>
<export version="D">
  <design>
    <source>/home/nextime/kicad/projects/3drag_powerpwm/powerpwm.sch</source>
    <date>Wed 27 Jan 2016 05:59:12 PM CET</date>
    <tool>Eeschema 0.201601252102+6513~42~ubuntu16.04.1-product</tool>
    <sheet number="1" name="/" tstamps="/">
      <title_block>
        <title>3drag powerPWM</title>
        <company>by Nexlab di Franco Lanza</company>
        <rev>1</rev>
        <date>2016-01-27</date>
        <source>powerpwm.sch</source>
        <comment number="1" value=""/>
        <comment number="2" value="http://www.nexlab.net"/>
        <comment number="3" value="License GPLv3"/>
        <comment number="4" value="Expansion board for k8200/3drag 24V powered heatbed"/>
      </title_block>
    </sheet>
  </design>
  <components>
    <comp ref="LED1">
      <value>1.85V 20mA 0805</value>
      <footprint>LEDs:LED_0805</footprint>
      <libsource lib="device" part="Led_Small"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8A474</tstamp>
    </comp>
    <comp ref="Q1">
      <value>AUIRF3205ZS</value>
      <footprint>w_smd_trans:to263</footprint>
      <libsource lib="transistors" part="BSS138"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8E479</tstamp>
    </comp>
    <comp ref="U1">
      <value>4N25</value>
      <footprint>shardy:DIP-6-SMDGULL</footprint>
      <libsource lib="opto" part="4N25"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8E538</tstamp>
    </comp>
    <comp ref="R1">
      <value>330ohm 1W</value>
      <footprint>Resistors_SMD:R_2512_HandSoldering</footprint>
      <libsource lib="device" part="R_Small"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8E58D</tstamp>
    </comp>
    <comp ref="R2">
      <value>2.7Kohm</value>
      <footprint>Resistors_SMD:R_1206_HandSoldering</footprint>
      <libsource lib="device" part="R_Small"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8E5DE</tstamp>
    </comp>
    <comp ref="R3">
      <value>2.2Kohm</value>
      <footprint>Resistors_SMD:R_1206_HandSoldering</footprint>
      <libsource lib="device" part="R_Small"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8E63F</tstamp>
    </comp>
    <comp ref="R4">
      <value>1100ohm 500mW</value>
      <footprint>Resistors_SMD:R_1210_HandSoldering</footprint>
      <libsource lib="device" part="R_Small"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A8E697</tstamp>
    </comp>
    <comp ref="CON2">
      <value>24V IN</value>
      <footprint>w_conn_mkds:mkds_1,5-2</footprint>
      <libsource lib="con" part="CONN_2"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A90867</tstamp>
    </comp>
    <comp ref="CON1">
      <value>command IN</value>
      <footprint>w_conn_mkds:mkds_1,5-2</footprint>
      <libsource lib="con" part="CONN_2"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A909BD</tstamp>
    </comp>
    <comp ref="CON3">
      <value>OUT</value>
      <footprint>w_conn_mkds:mkds_1,5-2</footprint>
      <libsource lib="con" part="CONN_2"/>
      <sheetpath names="/" tstamps="/"/>
      <tstamp>56A90A14</tstamp>
    </comp>
  </components>
  <libparts>
    <libpart lib="opto" part="4N25">
      <aliases>
        <alias>4N26</alias>
      </aliases>
      <description>DIP6, DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 2500V</description>
      <fields>
        <field name="Reference">U</field>
        <field name="Value">4N25</field>
        <field name="Footprint">DIP-6</field>
      </fields>
      <pins>
        <pin num="1" name="~" type="passive"/>
        <pin num="2" name="~" type="passive"/>
        <pin num="4" name="~" type="passive"/>
        <pin num="5" name="~" type="passive"/>
        <pin num="6" name="~" type="passive"/>
      </pins>
    </libpart>
    <libpart lib="transistors" part="BSS138">
      <description>50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23</description>
      <docs>http://www.fairchildsemi.com/ds/BS/BSS138.pdf</docs>
      <footprints>
        <fp>SOT-23*</fp>
      </footprints>
      <fields>
        <field name="Reference">Q</field>
        <field name="Value">BSS138</field>
        <field name="Footprint">SOT-23</field>
      </fields>
      <pins>
        <pin num="1" name="G" type="passive"/>
        <pin num="2" name="S" type="passive"/>
        <pin num="3" name="D" type="passive"/>
      </pins>
    </libpart>
    <libpart lib="con" part="CONN_2">
      <fields>
        <field name="Reference">CON</field>
        <field name="Value">CONN_2</field>
      </fields>
      <pins>
        <pin num="1" name="1" type="passive"/>
        <pin num="2" name="2" type="passive"/>
      </pins>
    </libpart>
    <libpart lib="device" part="Led_Small">
      <description>Led</description>
      <footprints>
        <fp>CP*</fp>
        <fp>SM*</fp>
      </footprints>
      <fields>
        <field name="Reference">D</field>
        <field name="Value">Led_Small</field>
      </fields>
      <pins>
        <pin num="1" name="K" type="passive"/>
        <pin num="2" name="A" type="passive"/>
      </pins>
    </libpart>
    <libpart lib="device" part="R_Small">
      <description>Resistor</description>
      <footprints>
        <fp>Resistor_*</fp>
        <fp>R_*</fp>
      </footprints>
      <fields>
        <field name="Reference">R</field>
        <field name="Value">R_Small</field>
      </fields>
      <pins>
        <pin num="1" name="~" type="passive"/>
        <pin num="2" name="~" type="passive"/>
      </pins>
    </libpart>
  </libparts>
  <libraries>
    <library logical="transistors">
      <uri>/usr/share/kicad/library/transistors.lib</uri>
    </library>
    <library logical="device">
      <uri>/usr/share/kicad/library/device.lib</uri>
    </library>
    <library logical="opto">
      <uri>/usr/share/kicad/library/opto.lib</uri>
    </library>
    <library logical="con">
      <uri>/home/nextime/kicad/libs/qihw/components/con.lib</uri>
    </library>
  </libraries>
  <nets>
    <net code="1" name="Net-(CON1-Pad2)">
      <node ref="CON1" pin="2"/>
      <node ref="R1" pin="2"/>
    </net>
    <net code="2" name="GND">
      <node ref="Q1" pin="2"/>
      <node ref="R3" pin="2"/>
      <node ref="CON2" pin="1"/>
    </net>
    <net code="3" name="Net-(CON1-Pad1)">
      <node ref="U1" pin="2"/>
      <node ref="CON1" pin="1"/>
    </net>
    <net code="4" name="+24V">
      <node ref="CON3" pin="1"/>
      <node ref="CON2" pin="2"/>
      <node ref="R2" pin="1"/>
      <node ref="LED1" pin="2"/>
    </net>
    <net code="5" name="Net-(Q1-Pad1)">
      <node ref="R3" pin="1"/>
      <node ref="U1" pin="4"/>
      <node ref="Q1" pin="1"/>
    </net>
    <net code="6" name="Net-(R2-Pad2)">
      <node ref="U1" pin="5"/>
      <node ref="R2" pin="2"/>
    </net>
    <net code="7" name="Net-(U1-Pad6)">
      <node ref="U1" pin="6"/>
    </net>
    <net code="8" name="Net-(R1-Pad1)">
      <node ref="R1" pin="1"/>
      <node ref="U1" pin="1"/>
    </net>
    <net code="9" name="Net-(LED1-Pad1)">
      <node ref="LED1" pin="1"/>
      <node ref="R4" pin="1"/>
    </net>
    <net code="10" name="Net-(CON3-Pad2)">
      <node ref="CON3" pin="2"/>
      <node ref="R4" pin="2"/>
      <node ref="Q1" pin="3"/>
    </net>
  </nets>
</export>
