<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<settings>
<setting alwaysvectorfont="no"/>
<setting verticaltext="up"/>
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<grid distance="0.1" unitdist="inch" unit="inch" style="lines" multiple="1" display="no" altdistance="0.01" altunitdist="inch" altunit="inch"/>
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<layer number="16" name="Bottom" color="1" fill="1" visible="yes" active="yes"/>
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<layer number="44" name="Drills" color="7" fill="1" visible="yes" active="yes"/>
<layer number="45" name="Holes" color="7" fill="1" visible="yes" active="yes"/>
<layer number="46" name="Milling" color="3" fill="1" visible="yes" active="yes"/>
<layer number="47" name="Measures" color="7" fill="1" visible="yes" active="yes"/>
<layer number="48" name="Document" color="7" fill="1" visible="yes" active="yes"/>
<layer number="49" name="Reference" color="7" fill="1" visible="yes" active="yes"/>
<layer number="50" name="dxf" color="7" fill="1" visible="no" active="no"/>
<layer number="51" name="tDocu" color="7" fill="1" visible="yes" active="yes"/>
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<layer number="53" name="tPadExt" color="7" fill="1" visible="no" active="no"/>
<layer number="54" name="bPadExt" color="7" fill="1" visible="no" active="no"/>
<layer number="88" name="SimResults" color="9" fill="1" visible="yes" active="yes"/>
<layer number="89" name="SimProbes" color="9" fill="1" visible="yes" active="yes"/>
<layer number="90" name="Modules" color="5" fill="1" visible="yes" active="yes"/>
<layer number="91" name="Nets" color="2" fill="1" visible="yes" active="yes"/>
<layer number="92" name="Busses" color="1" fill="1" visible="yes" active="yes"/>
<layer number="93" name="Pins" color="2" fill="1" visible="yes" active="yes"/>
<layer number="94" name="Symbols" color="4" fill="1" visible="yes" active="yes"/>
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<layer number="97" name="Info" color="7" fill="1" visible="yes" active="yes"/>
<layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/>
<layer number="250" name="Descript" color="7" fill="1" visible="yes" active="yes"/>
<layer number="251" name="SMDround" color="7" fill="1" visible="yes" active="yes"/>
</layers>
<library>
<description>&lt;BR&gt;Wurth Elektronik - Active Components - Digital Isolators - WPME-CDI2C&lt;br&gt;
&lt;Hr&gt;
&lt;BR&gt;
&lt;TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0&gt;
&lt;TR&gt;   
&lt;TD BGCOLOR="#cccccc" ALIGN=CENTER&gt;&lt;FONT FACE=ARIAL SIZE=3&gt;&lt;BR&gt;&lt;br&gt;
      &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&lt;BR&gt;
       &lt;BR&gt;
       &lt;BR&gt;
       &lt;BR&gt;&lt;BR&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
&lt;TD BGCOLOR="#cccccc" ALIGN=CENTER&gt;&lt;FONT FACE=ARIAL SIZE=3&gt;&lt;br&gt;
      -----&lt;BR&gt;
      -----&lt;BR&gt;
      -----&lt;BR&gt;
      -----&lt;BR&gt;
      -----&lt;BR&gt;&lt;BR&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
    &lt;TD BGCOLOR="#cccccc" ALIGN=CENTER&gt; &lt;FONT FACE=ARIAL SIZE=3&gt;&lt;br&gt;
      ---------------------------&lt;BR&gt;
&lt;B&gt;&lt;I&gt;&lt;span style='font-size:26pt;
  color:#FF6600;'&gt;WE &lt;/span&gt;&lt;/i&gt;&lt;/b&gt;
&lt;BR&gt;
      ---------------------------&lt;BR&gt;&lt;b&gt;Würth Elektronik&lt;/b&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
    &lt;TD BGCOLOR="#cccccc" ALIGN=CENTER&gt;&lt;FONT FACE=ARIAL SIZE=3&gt;&lt;br&gt;
      ---------O---&lt;BR&gt;
      ----O--------&lt;BR&gt;
      ---------O---&lt;BR&gt;
      ----O--------&lt;BR&gt;
      ---------O---&lt;BR&gt;&lt;BR&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
   
&lt;TD BGCOLOR="#cccccc" ALIGN=CENTER&gt;&lt;FONT FACE=ARIAL SIZE=3&gt;&lt;BR&gt;
      &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&lt;BR&gt;
       &lt;BR&gt;
       &lt;BR&gt;
       &lt;BR&gt;
       &lt;BR&gt;&lt;BR&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
  &lt;/TR&gt;

  &lt;TR&gt;
    &lt;TD COLSPAN=7&gt;&amp;nbsp;
    &lt;/TD&gt;
  &lt;/TR&gt;
  
&lt;/TABLE&gt;
&lt;B&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;More than you expect&lt;BR&gt;&lt;BR&gt;&lt;BR&gt;&lt;/B&gt;

&lt;HR&gt;&lt;BR&gt;
&lt;b&gt;Würth Elektronik eiSos GmbH &amp; Co. KG&lt;/b&gt;&lt;br&gt;
EMC &amp; Inductive Solutions&lt;br&gt;

Max-Eyth-Str.1&lt;br&gt;
D-74638 Waldenburg&lt;br&gt;
&lt;br&gt;
Tel: +49 (0)7942-945-0&lt;br&gt;
Fax:+49 (0)7942-945-5000&lt;br&gt;
&lt;br&gt;
&lt;a href="http://www.we-online.com/web/en/electronic_components/produkte_pb/bauteilebibliotheken/eagle_4.php"&gt;www.we-online.com/eagle&lt;/a&gt;&lt;br&gt;
&lt;a href="mailto:libraries@we-online.com"&gt;libraries@we-online.com&lt;/a&gt; &lt;BR&gt;&lt;BR&gt;
&lt;br&gt;&lt;HR&gt;&lt;BR&gt;
Disclaimer: While Würth Elektronik eiSos has made every reasonable effort to ensure the accuracy of the PCB layout models provided, &lt;br&gt;
Würth Elektronik eiSos does not guarantee the exemption of error on the PCB layout models, nor does Würth Elektronik eiSos guarantee that the PCB layout model is current. &lt;br&gt;
Würth Elektronik eiSos reserves the right to make any adjustments at any time without notice. &lt;br&gt;
Würth Elektronik eiSos expressly disclaims all implied warranties regarding this PCB layout model. &lt;br&gt;
 &lt;br&gt;
Please contact us for more information.&lt;br&gt;
&lt;HR&gt;
&lt;br&gt;Eagle Version 9, Library Revision 2026a, 2026-05-19&lt;br&gt;
&lt;HR&gt;
Copyright: Würth Elektronik</description>
<packages>
<package name="WPME-CDI2C_SOIC8NB" urn="urn:adsk.eagle:footprint:49539874/2">
<description>&lt;b&gt;WPME-CDI2C Capacitive Digital Isolator I²C
&lt;/b&gt;&lt;br&gt;&lt;br&gt;Size: SOIC-8NB, SMT, 8pins
&lt;br&gt;LXWXH=4.9x6x1.8mm</description>
<smd name="1" x="-1.905" y="-2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="2" x="-0.635" y="-2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="3" x="0.635" y="-2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="4" x="1.905" y="-2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="5" x="1.905" y="2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="6" x="0.635" y="2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="7" x="-0.635" y="2.75" dx="0.6" dy="1.4" layer="1"/>
<smd name="8" x="-1.905" y="2.75" dx="0.6" dy="1.4" layer="1"/>
<wire x1="2.55" y1="2.05" x2="2.55" y2="-2.05" width="0.2" layer="21"/>
<wire x1="-2.55" y1="-2.05" x2="-2.55" y2="2.05" width="0.2" layer="21"/>
<wire x1="-2.45" y1="1.95" x2="2.45" y2="1.95" width="0.1" layer="51"/>
<wire x1="2.45" y1="1.95" x2="2.45" y2="-1.95" width="0.1" layer="51"/>
<wire x1="2.45" y1="-1.95" x2="-2.45" y2="-1.95" width="0.1" layer="51"/>
<wire x1="-2.45" y1="-1.95" x2="-2.45" y2="1.95" width="0.1" layer="51"/>
<polygon width="0.1" layer="39">
<vertex x="-2.75" y="3.65"/>
<vertex x="-2.75" y="-3.65"/>
<vertex x="2.75" y="-3.65"/>
<vertex x="2.75" y="3.65"/>
</polygon>
<text x="0" y="4" size="1.27" layer="25" align="bottom-center">&gt;NAME</text>
<text x="0" y="-5.3" size="1.27" layer="27" align="bottom-center">&gt;VALUE</text>
<circle x="-1.905" y="-1.4" radius="0.3" width="0.1" layer="51"/>
<circle x="-2.9" y="-2.75" radius="0.2" width="0.4" layer="21"/>
</package>
</packages>
<packages3d>
<package3d name="WPME-CDI2C_SOIC8NB" urn="urn:adsk.eagle:package:49539876/3" type="model">
<description>&lt;b&gt;WPME-CDI2C Capacitive Digital Isolator I²C
&lt;/b&gt;&lt;br&gt;&lt;br&gt;Size: SOIC-8NB, SMT, 8pins
&lt;br&gt;LXWXH=4.9x6x1.8mm</description>
<packageinstances>
<packageinstance name="WPME-CDI2C_SOIC8NB"/>
</packageinstances>
</package3d>
</packages3d>
<symbols>
<symbol name="WPME-CDI2C_18032X11">
<wire x1="-7.62" y1="-5.08" x2="7.62" y2="-5.08" width="0.254" layer="94"/>
<wire x1="7.62" y1="-5.08" x2="7.62" y2="7.62" width="0.254" layer="94"/>
<wire x1="7.62" y1="7.62" x2="-7.62" y2="7.62" width="0.254" layer="94"/>
<wire x1="-7.62" y1="7.62" x2="-7.62" y2="-5.08" width="0.254" layer="94"/>
<pin name="2" x="-10.16" y="2.54" visible="pad" length="short"/>
<pin name="1" x="-10.16" y="5.08" visible="pad" length="short" direction="pwr"/>
<pin name="4" x="-10.16" y="-2.54" visible="pad" length="short" direction="pwr"/>
<pin name="3" x="-10.16" y="0" visible="pad" length="short"/>
<pin name="5" x="10.16" y="-2.54" visible="pad" length="short" direction="pwr" rot="R180"/>
<pin name="6" x="10.16" y="0" visible="pad" length="short" rot="R180"/>
<pin name="7" x="10.16" y="2.54" visible="pad" length="short" rot="R180"/>
<pin name="8" x="10.16" y="5.08" visible="pad" length="short" direction="pwr" rot="R180"/>
<text x="0" y="8.89" size="1.778" layer="95" align="bottom-center">&gt;NAME</text>
<text x="0" y="-7.62" size="1.778" layer="96" align="bottom-center">&gt;VALUE</text>
<text x="6.35" y="2.54" size="1.27" layer="94" rot="R180" align="center-left">SDA2</text>
<text x="-6.35" y="5.08" size="1.27" layer="94" align="center-left">VCC1</text>
<text x="-6.35" y="-2.54" size="1.27" layer="94" align="center-left">GND1</text>
<text x="6.35" y="5.08" size="1.27" layer="94" align="center-right">VCC2</text>
<text x="-6.35" y="0" size="1.27" layer="94" align="center-left">SCL1</text>
<text x="-6.35" y="2.54" size="1.27" layer="94" align="center-left">SDA1</text>
<text x="6.35" y="-2.54" size="1.27" layer="94" rot="R180" align="center-left">GND2</text>
<text x="6.35" y="0" size="1.27" layer="94" rot="R180" align="center-left">SCL2</text>
</symbol>
</symbols>
<devicesets>
<deviceset name="18032111" prefix="U">
<description>&lt;b&gt;WPME-CDI2C Capacitive Digital Isolator I²C&lt;br&gt;

&lt;br&gt;Characteristics 
&lt;br&gt;&lt;br&gt;&lt;/b&gt;2-channel bidirectional I²C isolators
&lt;br&gt;Isolation voltage up to 3750 VRMS
&lt;br&gt;Basic isolation
&lt;br&gt;Bidirectional data transfer up to 2 MHz
&lt;br&gt;Bidirectional SDA and bi- or unidirectional SCL communication
&lt;br&gt;High level of immunity to system noise (CMTI ±150 kV/μs)
&lt;br&gt;Industrial standard package and pin configuration
&lt;br&gt;UL 1577 recognized
&lt;br&gt;DIN EN IEC 60747-17 (VDE 0884-17) certification

&lt;b&gt;&lt;br&gt;&lt;br&gt;Applications 
&lt;/b&gt;&lt;br&gt;&lt;br&gt;Isolated I²C, SMBus and PMBus interfaces
&lt;br&gt;Battery management systems
&lt;br&gt;Motor control
&lt;br&gt;Power supplies
&lt;br&gt;Instrumentation
&lt;br&gt;Isolated ADCs and DACs
&lt;br&gt;Isolated sensor interfaces
&lt;br&gt;&lt;br&gt;
&lt;br&gt;&lt;a href="https://www.we-online.com/components/media/o893961v209%20Family-WPME-CDI2C.jpg" title="Enlarge picture"&gt;
&lt;img src="https://www.we-online.com/components/media/o893961v209%20Family-WPME-CDI2C.jpg" width="320"&gt;&lt;/a&gt;&lt;p&gt;
Details see: &lt;a href="www.we-online.com/catalog/WPME-CDI2C/?utm_source=eagle_model&amp;utm_medium=description_link&amp;utm_campaign=eisos_eagle"&gt;www.we-online.com/components/products/WPME-CDI2C&lt;/a&gt;&lt;p&gt;

Created by Ella 2026-05-19&lt;br&gt;
2026 (C) Würth Elektronik</description>
<gates>
<gate name="G$1" symbol="WPME-CDI2C_18032X11" x="0" y="0"/>
</gates>
<devices>
<device name="" package="WPME-CDI2C_SOIC8NB">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
<connect gate="G$1" pin="3" pad="3"/>
<connect gate="G$1" pin="4" pad="4"/>
<connect gate="G$1" pin="5" pad="5"/>
<connect gate="G$1" pin="6" pad="6"/>
<connect gate="G$1" pin="7" pad="7"/>
<connect gate="G$1" pin="8" pad="8"/>
</connects>
<package3dinstances>
<package3dinstance package3d_urn="urn:adsk.eagle:package:49539876/3"/>
</package3dinstances>
<technologies>
<technology name="">
<attribute name="CHANNEL-CONFIGURATION" value="1B/1U"/>
<attribute name="CMTI" value="150 kV/µs"/>
<attribute name="DATASHEET-URL" value="https://www.we-online.com/redexpert/spec/18032111?ae"/>
<attribute name="FMAX" value="2 MHz"/>
<attribute name="HEIGHT" value="1.8mm"/>
<attribute name="LENGTH" value="4.9mm"/>
<attribute name="MOUNT" value="SMT"/>
<attribute name="PART-NUMBER" value="18032111"/>
<attribute name="SIZE" value="SOIC-8NB"/>
<attribute name="TYPE-OF-INSULATION" value="Basic"/>
<attribute name="VALUE" value="18032111"/>
<attribute name="VCC-MAX" value="5.5 V"/>
<attribute name="VCC-MIN" value="3 V"/>
<attribute name="VISO" value="3750 V (RMS)"/>
<attribute name="WIDTH" value="6mm"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="18032011" prefix="U">
<description>&lt;b&gt;WPME-CDI2C Capacitive Digital Isolator I²C&lt;br&gt;

&lt;br&gt;Characteristics 
&lt;br&gt;&lt;br&gt;&lt;/b&gt;2-channel bidirectional I²C isolators
&lt;br&gt;Isolation voltage up to 3750 VRMS
&lt;br&gt;Basic isolation
&lt;br&gt;Bidirectional data transfer up to 2 MHz
&lt;br&gt;Bidirectional SDA and bi- or unidirectional SCL communication
&lt;br&gt;High level of immunity to system noise (CMTI ±150 kV/μs)
&lt;br&gt;Industrial standard package and pin configuration
&lt;br&gt;UL 1577 recognized
&lt;br&gt;DIN EN IEC 60747-17 (VDE 0884-17) certification

&lt;b&gt;&lt;br&gt;&lt;br&gt;Applications 
&lt;/b&gt;&lt;br&gt;&lt;br&gt;Isolated I²C, SMBus and PMBus interfaces
&lt;br&gt;Battery management systems
&lt;br&gt;Motor control
&lt;br&gt;Power supplies
&lt;br&gt;Instrumentation
&lt;br&gt;Isolated ADCs and DACs
&lt;br&gt;Isolated sensor interfaces
&lt;br&gt;&lt;br&gt;
&lt;br&gt;&lt;a href="https://www.we-online.com/components/media/o893961v209%20Family-WPME-CDI2C.jpg" title="Enlarge picture"&gt;
&lt;img src="https://www.we-online.com/components/media/o893961v209%20Family-WPME-CDI2C.jpg" width="320"&gt;&lt;/a&gt;&lt;p&gt;
Details see: &lt;a href="www.we-online.com/catalog/WPME-CDI2C/?utm_source=eagle_model&amp;utm_medium=description_link&amp;utm_campaign=eisos_eagle"&gt;www.we-online.com/components/products/WPME-CDI2C&lt;/a&gt;&lt;p&gt;

Created by Ella 2026-05-19&lt;br&gt;
2026 (C) Würth Elektronik</description>
<gates>
<gate name="G$1" symbol="WPME-CDI2C_18032X11" x="0" y="0"/>
</gates>
<devices>
<device name="" package="WPME-CDI2C_SOIC8NB">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
<connect gate="G$1" pin="3" pad="3"/>
<connect gate="G$1" pin="4" pad="4"/>
<connect gate="G$1" pin="5" pad="5"/>
<connect gate="G$1" pin="6" pad="6"/>
<connect gate="G$1" pin="7" pad="7"/>
<connect gate="G$1" pin="8" pad="8"/>
</connects>
<package3dinstances>
<package3dinstance package3d_urn="urn:adsk.eagle:package:49539876/3"/>
</package3dinstances>
<technologies>
<technology name="">
<attribute name="CHANNEL-CONFIGURATION" value="2B/0U"/>
<attribute name="CMTI" value="150 kV/µs"/>
<attribute name="DATASHEET-URL" value="https://www.we-online.com/redexpert/spec/18032011?ae"/>
<attribute name="FMAX" value="2 MHz"/>
<attribute name="HEIGHT" value="1.8mm"/>
<attribute name="LENGTH" value="4.9mm"/>
<attribute name="MOUNT" value="SMT"/>
<attribute name="PART-NUMBER" value="18032011"/>
<attribute name="SIZE" value="SOIC-8NB"/>
<attribute name="TYPE-OF-INSULATION" value="Basic"/>
<attribute name="VALUE" value="18032011"/>
<attribute name="VCC-MAX" value="5.5 V"/>
<attribute name="VCC-MIN" value="3 V"/>
<attribute name="VISO" value="3750 V (RMS)"/>
<attribute name="WIDTH" value="6mm"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</drawing>
<compatibility>
<note version="8.3" severity="warning">
Since Version 8.3, EAGLE supports URNs for individual library
assets (packages, symbols, and devices). The URNs of those assets
will not be understood (or retained) with this version.
</note>
<note version="8.3" severity="warning">
Since Version 8.3, EAGLE supports the association of 3D packages
with devices in libraries, schematics, and board files. Those 3D
packages will not be understood (or retained) with this version.
</note>
</compatibility>
</eagle>
