<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.5.1">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="160" y2="0" width="0" layer="20"/>
<wire x1="160" y1="0" x2="160" y2="100" width="0" layer="20"/>
<wire x1="160" y1="100" x2="0" y2="100" width="0" layer="20"/>
<wire x1="0" y1="100" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="microbuilder">
<packages>
<package name="0805">
<description>0805 (2012 Metric)</description>
</package>
<package name="CHIPLED_0805_NOOUTLINE">
</package>
<package name="SOLDERJUMPER_REFLOW_NOPASTE">
</package>
<package name="SOT23-8">
<description>&lt;b&gt;Source: &lt;/b&gt;http://www.ti.com/lit/ml/mpds099c/mpds099c.pdf</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="C0805K">
<description>&lt;b&gt;Ceramic Chip Capacitor KEMET 0805 Reflow solder&lt;/b&gt;&lt;p&gt;
Metric Code Size 2012</description>
</package>
<package name="E7,5-16">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 7.62 mm, diameter 16 mm</description>
</package>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="DCJACK_2MM_PTH">
<description>DJ Jack 2.0mm PTH Right-Angle</description>
</package>
<package name="SOD-323F">
</package>
<package name="QFN20_4MM">
<description>20-Lead QFN 4x4mm Body, 0.5mm pitch
&lt;p&gt;Source: http://ww1.microchip.com/downloads/en/DeviceDoc/22090b.pdf&lt;/p&gt;</description>
</package>
<package name="FEATHERWING">
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="0805-THM">
</package>
<package name="M0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
MELF 0.10 W</description>
</package>
</packages>
</library>
<library name="ROHM">
<packages>
<package name="1206">
</package>
</packages>
</library>
<library name="MAXIM">
<packages>
<package name="TDFN-8">
<description>TDFN - 8pin, 2mmx3mm</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="microbuilder" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C0805K" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="adafruit" package="E7,5-16" value="4.7mF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="adafruit" package="C0805" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="adafruit" package="C0805" value="10nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CHRG/LBO" library="microbuilder" package="CHIPLED_0805_NOOUTLINE" value="ORANGE">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CN2" library="adafruit" package="DCJACK_2MM_PTH" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1-0,3V" library="adafruit" package="SOD-323F" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="DONE" library="microbuilder" package="CHIPLED_0805_NOOUTLINE" value="GREEN">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="adafruit" package="QFN20_4MM" value="MCP73871">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MS1" library="adafruit" package="FEATHERWING" value="FEATHERWING"/>
<element name="PWR" library="microbuilder" package="CHIPLED_0805_NOOUTLINE" value="RED">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="microbuilder" package="0805" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="adafruit" package="R0805" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="adafruit" package="0805-THM" value="2K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R12" library="adafruit" package="R0805" value="100K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R13" library="adafruit" package="M0805" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R14" library="ROHM" package="1206" value="0,04">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="microbuilder" package="0805" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="adafruit" package="M0805" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="adafruit" package="M0805" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="adafruit" package="R0805" value="270K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="adafruit" package="R0805" value="100K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="adafruit" package="R0805" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="adafruit" package="R0805" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RT2" library="adafruit" package="M0805" value="150K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SJ1" library="microbuilder" package="SOLDERJUMPER_REFLOW_NOPASTE" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SJ2" library="microbuilder" package="SOLDERJUMPER_REFLOW_NOPASTE" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="THERM" library="adafruit" package="0805-THM" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="MAXIM" package="TDFN-8" value="MAX1704X">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U2" library="microbuilder" package="SOT23-8" value="INA219BIDCNT">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="IC1" pad="P$19"/>
<contactref element="IC1" pad="P$18"/>
<contactref element="R6" pad="2"/>
<contactref element="IC1" pad="P$3"/>
<contactref element="IC1" pad="P$4"/>
<contactref element="IC1" pad="P$9"/>
<contactref element="IC1" pad="P$17"/>
<contactref element="R10" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="SJ2" pad="1"/>
<contactref element="SJ1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="U2" pad="4"/>
<contactref element="C3" pad="+"/>
<contactref element="C4" pad="1"/>
<contactref element="D1-0,3V" pad="C"/>
</signal>
<signal name="GND">
<contactref element="R7" pad="2"/>
<contactref element="R12" pad="1"/>
<contactref element="R11" pad="1"/>
<contactref element="IC1" pad="P$10"/>
<contactref element="IC1" pad="P$11"/>
<contactref element="IC1" pad="P$21"/>
<contactref element="RT2" pad="1"/>
<contactref element="THERM" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="U2" pad="3"/>
<contactref element="R2" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="CN2" pad="GND"/>
<contactref element="CN2" pad="GNDBREAK"/>
<contactref element="C3" pad="-"/>
<contactref element="C4" pad="2"/>
<contactref element="U1" pad="6"/>
<contactref element="U1" pad="5"/>
<contactref element="U1" pad="1"/>
<contactref element="U1" pad="4"/>
<contactref element="U1" pad="EP"/>
<contactref element="MS1" pad="4"/>
</signal>
<signal name="N$6">
<contactref element="R6" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="IC1" pad="P$2"/>
</signal>
<signal name="N$3">
<contactref element="PWR" pad="C"/>
<contactref element="IC1" pad="P$6"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="P$7"/>
<contactref element="DONE" pad="C"/>
</signal>
<signal name="N$11">
<contactref element="IC1" pad="P$8"/>
<contactref element="CHRG/LBO" pad="C"/>
</signal>
<signal name="N$12">
<contactref element="CHRG/LBO" pad="A"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="DONE" pad="A"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="PWR" pad="A"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="IC1" pad="P$12"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="IC1" pad="P$13"/>
<contactref element="R11" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="IC1" pad="P$5"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="R13" pad="2"/>
<contactref element="RT2" pad="2"/>
<contactref element="THERM" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="U2" pad="8"/>
<contactref element="R2" pad="2"/>
<contactref element="SJ2" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="U2" pad="7"/>
<contactref element="R1" pad="2"/>
<contactref element="SJ1" pad="2"/>
</signal>
<signal name="SDA">
<contactref element="U2" pad="6"/>
<contactref element="U1" pad="8"/>
</signal>
<signal name="SCL">
<contactref element="U2" pad="5"/>
<contactref element="MS1" pad="18"/>
<contactref element="R3" pad="2"/>
<contactref element="U1" pad="7"/>
</signal>
<signal name="N$7">
<contactref element="CN2" pad="PWR"/>
<contactref element="D1-0,3V" pad="A"/>
</signal>
<signal name="N$10">
<contactref element="MS1" pad="17"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="VBAT">
<contactref element="MS1" pad="28"/>
<contactref element="U1" pad="2"/>
<contactref element="U2" pad="1"/>
<contactref element="R14" pad="2"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="3V3">
<contactref element="MS1" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="C5" pad="1"/>
<contactref element="U1" pad="3"/>
</signal>
<signal name="N$9">
<contactref element="IC1" pad="P$14"/>
<contactref element="IC1" pad="P$15"/>
<contactref element="IC1" pad="P$16"/>
<contactref element="R14" pad="1"/>
<contactref element="U2" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
