text:
91"/>
<wire x1="142.24" y1="38.1" x2="142.24" y2="40.64" width="0.1524" layer="91"/>
<junction x="142.24" y="40.64"/>
</segment>
</net>
<net name="BLE_ANT" class="0">
<segment>
<pinref part="L1" gate="G$1" pin="1"/>
<pinref part="C1" gate="G$1" pin="1"/>
<wire x1="160.02" y1="40.64" x2="162.56" y2="40.64" width="0.1524" layer="91"/>
<wire x1="162.56" y1="40.64" x2="162.56" y2="38.1" width="0.1524" layer="91"/>
<junction x="162.56" y="40.64"/>
<wire x1="162.56" y1="40.64" x2="185.42" y2="40.64" width="0.1524" layer="91"/>
<wire x1="185.42" y1="40.64" x2="185.42" y2="43.18" width="0.1524" layer="91"/>
<pinref part="A4" gate="G$1" pin="ANTENNA"/>
</segment>
</net>
<net name="N$18" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="XC1"/>
<wire x1="106.68" y1="58.42" x2="129.54" y2="58.42" width="0.1524" layer="91"/>
<wire x1="129.54" y1="58.42" x2="129.54" y2="71.12" width="0.1524" layer="91"/>
<pinref part="X3" gate="G$1" pin="2"/>
<wire x1="129.54" y1="71.12" x2="137.16" y2="71.12" width="0.1524" layer="91"/>
<wire x1="137.16" y1="71.12" x2="137.16" y2="68.58" width="0.1524" layer="91"/>
<pinref part="C8" gate="G$1" pin="2"/>
<wire x1="137.16" y1="71.12" x2="139.7" y2="71.12" width="0.1524" layer="91"/>
<junction x="137.16" y="71.12"/>
</segment>
</net>
<net name="N$19" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="XC2"/>
<wire x1="106.68" y1="55.88" x2="137.16" y2="55.88" width="0.1524" layer="91"/>
<pinref part="X3" gate="G$1" pin="1"/>
<wire x1="137.16" y1="55.88" x2="137.16" y2="58.42" width="0.1524" layer="91"/>
<pinref part="C9" gate="G$1" pin="2"/>
<wire x1="139.7" y1="55.88" x2="137.16" y2="55.88" width="0.1524" layer="91"/>
<junction x="137.16" y="55.88"/>
</segment>
</net>
<net name="NRF_MISO" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.15"/>
<wire x1="60.96" y1="68.58" x2="55.88" y2="68.58" width="0.1524" layer="91"/>
<label x="55.88" y="68.58" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
<segment>
<pinref part="U11" gate="G$1" pin="SDO"/>
<wire x1="187.96" y1="93.98" x2="182.88" y2="93.98" width="0.1524" layer="91"/>
<label x="182.88" y="93.98" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_MOSI" class="0">
<segment>
<label x="55.88" y="73.66" size="1.27" layer="95" rot="R180" xref="yes"/>
<pinref part="U7" gate="G$1" pin="P0.13"/>
<wire x1="60.96" y1="73.66" x2="55.88" y2="73.66" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="U11" gate="G$1" pin="SDI"/>
<wire x1="187.96" y1="91.44" x2="182.88" y2="91.44" width="0.1524" layer="91"/>
<label x="182.88" y="91.44" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_SCK" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.17"/>
<wire x1="60.96" y1="63.5" x2="55.88" y2="63.5" width="0.1524" layer="91"/>
<label x="55.88" y="63.5" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
<segment>
<pinref part="U11" gate="G$1" pin="SCL"/>
<wire x1="187.96" y1="96.52" x2="182.88" y2="96.52" width="0.1524" layer="91"/>
<label x="182.88" y="96.52" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_DCC" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="DCC"/>
<wire x1="55.88" y1="129.54" x2="60.96" y2="129.54" width="0.1524" layer="91"/>
<pinref part="L3" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$37" class="0">
<segment>
<pinref part="L2" gate="G$1" pin="2"/>
<wire x1="40.64" y1="129.54" x2="38.1" y2="129.54" width="0.1524" layer="91"/>
<pinref part="L3" gate="G$1" pin="1"/>
</segment>
</net>
<net name="XL3" class="0">
<segment>
<wire x1="162.56" y1="63.5" x2="160.02" y2="63.5" width="0.1524" layer="91"/>
<wire x1="160.02" y1="63.5" x2="152.4" y2="63.5" width="0.1524" layer="91"/>
<wire x1="152.4" y1="63.5" x2="152.4" y2="50.8" width="0.1524" layer="91"/>
<wire x1="152.4" y1="50.8" x2="106.68" y2="50.8" width="0.1524" layer="91"/>
<pinref part="U7" gate="G$1" pin="P0.00/XL1"/>
<pinref part="C11" gate="G$1" pin="2"/>
<pinref part="X1" gate="G$1" pin="1"/>
<wire x1="160.02" y1="60.96" x2="160.02" y2="63.5" width="0.1524" layer="91"/>
<junction x="160.02" y="63.5"/>
<label x="111.76" y="50.8" size="1.778" layer="95"/>
</segment>
</net>
<net name="XL4" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.01/XL2"/>
<wire x1="162.56" y1="48.26" x2="160.02" y2="48.26" width="0.1524" layer="91"/>
<pinref part="C10" gate="G$1" pin="2"/>
<pinref part="X1" gate="G$1" pin="2"/>
<wire x1="160.02" y1="48.26" x2="106.68" y2="48.26" width="0.1524" layer="91"/>
<wire x1="160.02" y1="50.8" x2="160.02" y2="48.26" width="0.1524" layer="91"/>
<junction x="160.02" y="48.26"/>
<label x="111.76" y="48.26" size="1.778" layer="95"/>
</segment>
</net>
<net name="!NRF_CS_IMU" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.16"/>
<wire x1="60.96" y1="66.04" x2="55.88" y2="66.04" width="0.1524" layer="91"/>
<label x="55.88" y="66.04" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_IMU_INT1" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.22"/>
<wire x1="60.96" y1="53.34" x2="55.88" y2="53.34" width="0.1524" layer="91"/>
<label x="55.88" y="53.34" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_IMU_INT2" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.24"/>
<wire x1="60.96" y1="48.26" x2="55.88" y2="48.26" width="0.1524" layer="91"/>
<label x="55.88" y="48.26" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_DECAP5" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="DEC5"/>
<pinref part="C24" gate="G$1" pin="1"/>
<wire x1="60.96" y1="114.3" x2="35.56" y2="114.3" width="0.1524" layer="91"/>
</segment>
</net>
<net name="SD_EN" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.14"/>
<wire x1="60.96" y1="71.12" x2="55.88" y2="71.12" width="0.1524" layer="91"/>
<label x="55.88" y="71.12" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_GPIO_1" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.26"/>
<wire x1="106.68" y1="66.04" x2="111.76" y2="66.04" width="0.1524" layer="91"/>
<pinref part="TP14" gate="G$1" pin="TESTPOINT"/>
<wire x1="111.76" y1="66.04" x2="119.38" y2="66.04" width="0.1524" layer="91"/>
<label x="109.22" y="66.04" size="1.27" layer="95"/>
</segment>
</net>
<net name="NRF_GPIO_0" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.27"/>
<wire x1="106.68" y1="68.58" x2="111.76" y2="68.58" width="0.1524" layer="91"/>
<pinref part="TP13" gate="G$1" pin="TESTPOINT"/>
<wire x1="111.76" y1="68.58" x2="119.38" y2="68.58" width="0.1524" layer="91"/>
<label x="109.22" y="68.58" size="1.27" layer="95"/>
</segment>
</net>
<net name="!NRF_CS_SD" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.20"/>
<wire x1="60.96" y1="58.42" x2="55.88" y2="58.42" width="0.1524" layer="91"/>
<label x="55.88" y="58.42" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="!NRF_RST" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.18"/>
<wire x1="60.96" y1="43.18" x2="55.88" y2="43.18" width="0.1524" layer="91"/>
<label x="55.88" y="43.18" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
<segment>
<wire x1="231.14" y1="139.7" x2="228.6" y2="139.7" width="0.1524" layer="91"/>
<label x="231.14" y="139.7" size="1.27" layer="95" xref="yes"/>
<pinref part="J3" gate="G$1" pin="!RESET"/>
</segment>
</net>
<net name="BATIN" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P0.30*/AIN6"/>
<wire x1="106.68" y1="116.84" x2="111.76" y2="116.84" width="0.1524" layer="91"/>
<label x="111.76" y="116.84" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="N$35" class="0">
<segment>
<pinref part="U11" gate="G$1" pin="AF"/>
<pinref part="C18" gate="G$1" pin="1"/>
<wire x1="187.96" y1="101.6" x2="162.56" y2="101.6" width="0.1524" layer="91"/>
<wire x1="162.56" y1="101.6" x2="162.56" y2="99.06" width="0.1524" layer="91"/>
</segment>
</net>
<net name="N$41" class="0">
<segment>
<wire x1="149.86" y1="114.3" x2="170.18" y2="114.3" width="0.1524" layer="91"/>
<wire x1="170.18" y1="114.3" x2="170.18" y2="109.22" width="0.1524" layer="91"/>
<pinref part="U11" gate="G$1" pin="XI"/>
<wire x1="170.18" y1="109.22" x2="187.96" y2="109.22" width="0.1524" layer="91"/>
<pinref part="X5" gate="G$1" pin="1"/>
<wire x1="149.86" y1="114.3" x2="149.86" y2="106.68" width="0.1524" layer="91"/>
<wire x1="149.86" y1="106.68" x2="152.4" y2="106.68" width="0.1524" layer="91"/>
</segment>
</net>
<net name="N$42" class="0">
<segment>
<pinref part="X5" gate="G$1" pin="2"/>
<pinref part="U11" gate="G$1" pin="XO"/>
<wire x1="187.96" y1="106.68" x2="162.56" y2="106.68" width="0.1524" layer="91"/>
</segment>
</net>
<net name="!RTC_IRQ" class="0">
<segment>
<pinref part="U11" gate="G$1" pin="FOUT/!IRQ1"/>
<wire x1="220.98" y1="106.68" x2="226.06" y2="106.68" width="0.1524" layer="91"/>
<label x="226.06" y="106.68" size="1.27" layer="95" xref="yes"/>
</segment>
<segment>
<pinref part="U7" gate="G$1" pin="P0.02*/AIN0"/>
<wire x1="106.68" y1="132.08" x2="111.76" y2="132.08" width="0.1524" layer="91"/>
<label x="111.76" y="132.08" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="RTC_WDI" class="0">
<segment>
<pinref part="U11" gate="G$1" pin="WDI"/>
<wire x1="220.98" y1="114.3" x2="223.52" y2="114.3" width="0.1524" layer="91"/>
<wire x1="223.52" y1="114.3" x2="226.06" y2="114.3" width="0.1524" layer="91"/>
<label x="226.06" y="114.3" size="1.27" layer="95" xref="yes"/>
<wire x1="223.52" y1="114.3" x2="223.52" y2="109.22" width="0.1524" layer="91"/>
<junction x="223.52" y="114.3"/>
<pinref part="R20" gate="G$1" pin="1"/>
<wire x1="223.52" y1="109.22" x2="238.76" y2="109.22" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="U7" gate="G$1" pin="P0.31*/AIN7"/>
<wire x1="106.68" y1="114.3" x2="111.76" y2="114.3" width="0.1524" layer="91"/>
<label x="111.76" y="114.3" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="!NRF_CS_RTC" class="0">
<segment>
<pinref part="U11" gate="G$1" pin="!CS"/>
<wire x1="187.96" y1="88.9" x2="185.42" y2="88.9" width="0.1524" layer="91"/>
<label x="182.88" y="88.9" size="1.27" layer="95" rot="R180" xref="yes"/>
<wire x1="185.42" y1="88.9" x2="182.88" y2="88.9" width="0.1524" layer="91"/>
<wire x1="182.88" y1="124.46" x2="185.42" y2="124.46" width="0.1524" layer="91"/>
<wire x1="185.42" y1="124.46" x2="185.42" y2="88.9" width="0.1524" layer="91"/>
<junction x="185.42" y="88.9"/>
<pinref part="R34" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="U7" gate="G$1" pin="P0.29*/AIN5"/>
<wire x1="106.68" y1="119.38" x2="111.76" y2="119.38" width="0.1524" layer="91"/>
<label x="111.76" y="119.38" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="VBAT_RTC" class="0">
<segment>
<pinref part="U11" gate="G$1" pin="VBAT"/>
<wire x1="187.96" y1="114.3" x2="172.72" y2="114.3" width="0.1524" layer="91"/>
<wire x1="172.72" y1="114.3" x2="172.72" y2="124.46" width="0.1524" layer="91"/>
<label x="170.18" y="124.46" size="1.27" layer="95" rot="R180" xref="yes"/>
<wire x1="170.18" y1="124.46" x2="172.72" y2="124.46" width="0.1524" layer="91"/>
<wire x1="175.26" y1="124.46" x2="172.72" y2="124.46" width="0.1524" layer="91"/>
<junction x="172.72" y="124.46"/>
<pinref part="R34" gate="G$1" pin="1"/>
</segment>
</net>
<net name="QI_TS_CTRL" class="0">
<segment>
<wire x1="106.68" y1="63.5" x2="109.22" y2="63.5" width="0.1524" layer="91"/>
<label x="109.22" y="63.5" size="1.27" layer="95" xref="yes"/>
<pinref part="U7" gate="G$1" pin="P0.25"/>
</segment>
</net>
<net name="!CHG" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P1.02*"/>
<wire x1="111.76" y1="104.14" x2="106.68" y2="104.14" width="0.1524" layer="91"/>
<label x="111.76" y="104.14" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="!PG" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="P1.03*"/>
<wire x1="111.76" y1="101.6" x2="106.68" y2="101.6" width="0.1524" layer="91"/>
<label x="111.76" y="101.6" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="BUZZER_GATE" class="0">
<segment>
<pinref part="Q2" gate="G$1" pin="G2"/>
<wire x1="231.14" y1="43.18" x2="228.6" y2="43.18" width="0.1524" layer="91"/>
<wire x1="228.6" y1="43.18" x2="228.6" y2="38.1" width="0.1524" layer="91"/>
<pinref part="Q2" gate="G$1" pin="G1"/>
<wire x1="228.6" y1="38.1" x2="231.14" y2="38.1" width="0.1524" layer="91"/>
<wire x1="228.6" y1="38.1" x2="226.06" y2="38.1" width="0.1524" layer="91"/>
<junction x="228.6" y="38.1"/>
<label x="226.06" y="38.1" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
<segment>
<pinref part="U7" gate="G$1" pin="P1.15*"/>
<wire x1="106.68" y1="71.12" x2="109.22" y2="71.12" width="0.1524" layer="91"/>
<label x="109.22" y="71.12" size="1.27" layer="95" xref="yes"/>
</segment>
</net>
<net name="D-" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="D-"/>
<wire x1="60.96" y1="101.6" x2="58.42" y2="101.6" width="0.1524" layer="91"/>
<label x="58.42" y="101.6" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="D+" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="D+"/>
<wire x1="60.96" y1="99.06" x2="58.42" y2="99.06" width="0.1524" layer="91"/>
<label x="58.42" y="99.06" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="NRF_DECUSB" class="0">
<segment>
<pinref part="U7" gate="G$1" pin="DECUSB"/>
<wire x1="58.42" y1="106.68" x2="60.96" y2="106.68" width="0.1524" layer="91"/>
<label x="58.42" y="106.68" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
<segment>
<pinref part="C85" gate="G$1" pin="1"/>
<wire x1="30.48" y1="83.82" x2="30.48" y2="91.44" width="0.1524" layer="91"/>
<wire x1="30.48" y1="91.44" x2="27.94" y2="91.44" width="0.1524" layer="91"/>
<label x="27.94" y="91.44" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="VUSB" class="0">
<segment>
<wire x1="7.62" y1="86.36" x2="5.08" y2="86.36" width="0.1524" layer="91"/>
<label x="5.08" y="86.36" size="1.27" layer="95" rot="R90" xref="yes"/>
<pinref part="R1" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$2" class="0">
<segment>
<pinref part="Q2" gate="G$1" pin="S"/>
<pinref part="LS1" gate="G$1" pin="N"/>
<wire x1="243.84" y1="53.34" x2="243.84" y2="50.8" width="0.1524" layer="91"/>
<pinref part="D4" gate="G$1" pin="ANODE"/>
<wire x1="243.84" y1="50.8" x2="243.84" y2="48.26" width="0.1524" layer="91"/>
<wire x1="243.84" y1="50.8" x2="238.76" y2="50.8" width="0.1524" layer="91"/>
<wire x1="238.76" y1="50.8" x2="238.76" y2="55.88" width="0.1524" layer="91"/>
<junction x="243.84" y="50.8"/>
</segment>
</net>
<net name="VUSB_NRF" class="0">
<segment>
<pinref part="R1" gate="G$1" pin="2"/>
<pinref part="C86" gate="G$1" pin="1"/>
<wire x1="15.24" y1="86.36" x2="22.86" y2="86.36" width="0.1524" layer="91"/>
<wire x1="22.86" y1="86.36" x2="22.86" y2="83.82" width="0.1524" layer="91"/>
<label x="15.494" y="86.614" size="1.27" layer="95"/>
</segment>
<segment>
<pinref part="U7" gate="G$1" pin="VBUS"/>
<wire x1="58.42" y1="104.14" x2="60.96" y2="104.14" width="0.1524" layer="91"/>
<label x="58.42" y="104.14" size="1.27" layer="95" rot="R180" xref="yes"/>
</segment>
</net>
<net name="!SD_DETECT" class="0">
<segment>
<wire x1="55.88" y1="78.74" x2="60.96" y2="78.74" width="0.1524" layer="91"/>
<label x="55.88" y="78.74" size="1.27" layer="95" rot="R180" xref="yes"/>
<pinref part="U7" gate="G$1" pin="P0.11"/>
</segment>
</net>
</nets>
</sheet>
<sheet>
<description>Power + SD + Sensors</description>
<plain>
<text x="2.54" y="187.96" size="3.81" layer="98" align="top-left">Power Supply and Charging</text>
<text x="190.5" y="109.22" size="1.016" layer="98" rot="R180" align="bottom-center">Must be a stable LDO for the DW1000.</text>
<wire x1="254" y1="91.44" x2="220.98" y2="91.44" width="0.1524" layer="98" style="longdash"/>
<wire x1="147.32" y1="60.96" x2="147.32" y2="50.8" width="0.1524" layer="98" style="longdash"/>
<wire x1="147.32" y1="50.8" x2="147.32" y2="20.32" width="0.1524" layer="98" style="longdash"/>
<text x="3.556" y="44.704" size="3.81" layer="98">SD Card Adapter</text>
<wire x1="0" y1="50.8" x2="147.32" y2="50.8" width="0.1524" layer="98" style="longdash"/>
<text x="155.956" y="23.876" size="3.81" layer="98" rot="R90">Accelerometer</text>
<text x="236.22" y="86.36" size="3.81" layer="98" align="bottom-center">Antennas</text>
<wire x1="220.98" y1="129.54" x2="220.98" y2="91.44" width="0.1524" layer="98" style="longdash"/>
<text x="222.25" y="104.14" size="3.81" layer="98" align="top-left">RTC
Battery</text>
<text x="238.76" y="123.19" size="1.27" layer="98" align="top-right">VBAT ESR must
be 1.5kΩ for
optimal performance</text>
<text x="232.918" y="107.95" size="1.778" layer="98" rot="R180" align="bottom-center">90 Ohm</text>
<text x="141.224" y="83.058" size="1.27" layer="98">To nRF ADC

BATT   BATIN
4.2       3.158
3.0       2.256</text>
<text x="74.93" y="182.88" size="0.8128" layer="98" align="top-left">WR222230-26M8 Ls = 27 uH (datasheet)
No measurement rig for L's, est as 40 uH

1 / ((2 * pi * 100 kHz)^2 * (40 uH)) = 63.3nF

Err high to accomodate estimate, C1 = 3 * 22nF

1 / ( (1 MHz * 2 * pi)^2 * 27 uH - (1 / (66 nF)) ) = 0.95 nF</text>
<wire x1="254" y1="60.96" x2="220.98" y2="60.96" width="0.1524" layer="98" style="longdash"/>
<wire x1="220.98" y1="60.96" x2="147.32" y2="60.96" width="0.1524" layer="98" style="longdash"/>
<wire x1="220.98" y1="91.44" x2="220.98" y2="60.96" width="0.1524" layer="98" style="longdash"/>
<text x="78.74" y="90.424" size="0.3048" layer="98" align="top-left">ISET2 -> GND
Use ISET to limit input current</text>
<text x="78.74" y="76.2" size="1.016" layer="98" align="top-left">This is a hedge. Allow disabling
thermal protection via solder jumper.</text>
<text x="78.74" y="87.884" size="0.3048" layer="98" align="top-left">PRETERM is %age of charge current
system uses when battery is totally dead</text>
<text x="96.774" y="90.424" size="0.6096" layer="98" align="top-left">Allow software to know
device is charging (not worn)</text>
<text x="78.74" y="92.964" size="0.3048" layer="98" align="top-left">ISET = KISET / IOUT
2.25k = 540 AΩ / 240 mA; 2.2k -> 245 mA</text>
<text x="59.436" y="76.708" size="1.016" layer="98" align="top-left">This is a hedge.
Allow upping
PRETERM if
proven necessary.
Default is
10% TERM
20% PRE.</text>
<wire x1="73.66" y1="81.28" x2="114.3" y2="81.28" width="0.127" layer="98" style="shortdash"/>
<wire x1="73.66" y1="53.34" x2="114.3" y2="53.34" width="0.127" layer="98" style="shortdash"/>
<wire x1="73.66" y1="53.34" x2="73.66" y2="81.28" width="0.127" layer="98" style="shortdash"/>
<wire x1="114.3" y1="53.34" x2="114.3" y2="81.28" width="0.127" layer="98" style="shortdash"/>
<text x="162.56" y="125.984" size="0.3048" layer="98" align="top-left">EN1 -> GND, EN2 -> GND [00 case]
Wireless enabled unless AD > V_AD_Present</text>
<text x="160.02" y="120.904" size="0.8128" layer="98" align="top-left">Ref: https://www.ti.com/lit/ds/symlink/bq51013b.pdf

Following §8.2.2 and §8.2.3 design.</text>
<wire x1="124.46" y1="53.34" x2="124.46" y2="111.76" width="0.254" layer="98" style="shortdash"/>
<wire x1="168.656" y1="63.754" x2="168.656" y2="112.014" width="0.254" layer="98" style="shortdash"/>
<text x="190.5" y="111.76" size="1.778" layer="98" align="top-center">Main system regulation</text>
<text x="139.7" y="111.76" size="1.778" layer="98" align="top-center">Battery
Monitoring</text>
<text x="86.36" y="109.22" size="1.778" layer="98" align="top-center">Battery charging</text>
<wire x1="38.1" y1="53.34" x2="38.1" y2="111.76" width="0.254" layer="98" style="shortdash"/>
<text x="17.78" y="109.22" size="1.778" layer="98" align="top-center">Input Power Selection</text>
<text x="17.78" y="106.68" size="1.27" layer="98" align="top-center">Attach VUSB to V_QI
when Qi charging IC allows</text>
<text x="38.1" y="180.34" size="1.778" layer="98" align="top-center">Physical I/O for Power</text>
<text x="1.016" y="162.56" size="1.778" layer="98" rot="R90" align="top-center">USB Header</text>
<text x="1.016" y="139.7" size="1.778" layer="98" rot="R90" align="top-center">Battery
Header</text>
<text x="1.016" y="121.92" size="1.778" layer="98" rot="R90" align="top-center">Charging
LED</text>
<wire x1="218.44" y1="114.3" x2="2.54" y2="114.3" width="0.254" layer="98" style="shortdash"/>
<wire x1="73.66" y1="116.84" x2="73.66" y2="182.88" width="0.254" layer="98" style="shortdash"/>
<text x="127" y="187.96" size="1.778" layer="98" align="top-center">Qi (Wireless) Power Input</text>
<wire x1="107.696" y1="161.544" x2="113.284" y2="161.544" width="0.127" layer="98" style="shortdash"/>
<wire x1="113.284" y1="161.544" x2="116.84" y2="165.1" width="0.127" layer="98" style="shortdash"/>
<wire x1="116.84" y1="165.1" x2="116.84" y2="182.88" width="0.127" layer="98" style="shortdash"/>
<wire x1="107.696" y1="161.544" x2="104.14" y2="165.1" width="0.127" layer="98" style="shortdash"/>
<wire x1="104.14" y1="165.1" x2="104.14" y2="182.88" width="0.127" layer="98" style="shortdash"/>
<wire x1="116.84" y1="182.88" x2="104.14" y2="182.88" width="0.127" layer="98" style="shortdash"/>
<text x="110.49" y="182.372" size="1.016" layer="98" align="top-center">"C1" in ref design</text>
<wire x1="135.89" y1="173.99" x2="120.65" y2="173.99" width="0.127" layer="98" style="shortdash"/>
<wire x1="120.65" y1="173.99" x2="120.65" y2="158.75" width="0.127" layer="98" style="shortdash"/>
<wire x1="135.89" y1="158.75" x2="120.65" y2="158.75" width="0.127" layer="98" style="shortdash"/>
<wire x1="135.89" y1="173.99" x2="135.89" y2="158.75" width="0.127" layer="98" style="shortdash"/>
<text x="130.048" y="173.228" size="1.016" layer="98" align="top-center">"C2" in ref design</text>
<text x="197.358" y="137.668" size="0.8128" layer="98" align="top-right">Set to 196Ω
per EVM rec.
Do with two R's
to allow trim.</text>
<text x="203.2" y="159.004" size="0.8128" layer="98" align="top-left">20kΩ per EVM rec. Two R: trim.</text>
<text x="193.04" y="143.764" size="0.8128" layer="98" align="top-left">314 AΩ / (1.2 * 500mA) = 523Ω
Need to - 2*97.6 = 328Ω</text>
<wire x1="220.98" y1="129.54" x2="254" y2="129.54" width="0.1524" layer="98" style="longdash"/>
<text x="115.062" y="144.018" size="0.8128" layer="98" align="top-left">This is a hedge.
Allow disabling thermal
protection via solder jumper.</text>
<wire x1="76.2" y1="116.84" x2="137.16" y2="116.84" width="0.127" layer="98" style="shortdash"/>
<wire x1="76.2" y1="116.84" x2="76.2" y2="149.86" width="0.127" layer="98" style="shortdash"/>
<text x="77.47" y="148.844" size="0.8128" layer="98" align="top-left">Reference: Datasheet §7.3.13 TS Resistor Network
----
Properties from the BQ51013B datasheet:
Internal to chip (behind TS pad) is a 20kΩ pull-up to 2.2V
On/off threshold V's are fixed, compute external R's
V_HOT = 0.43V; external R of 28.5 kΩ
V_COLD = 1.29V; external R of 4.9 kΩ
----
Thermistor datasheet values (where does it hit those R's?):
28.5kΩ @ 0.4ºC <-- this is good
4.9kΩ @ 44ºC <-- this is too low
----
"Safe to touch" std says 60ºC
NTC is 2.97kΩ @ 60ºC
easy shift is add 2kΩ offset to NTC
now V_COLD trips when NTC is 26.5kΩ (1.8ºC)</text>
<wire x1="76.2" y1="149.86" x2="137.16" y2="149.86" width="0.127" layer="98" style="shortdash"/>
<wire x1="137.16" y1="116.84" x2="137.16" y2="149.86" width="0.127" layer="98" style="shortdash"/>
<text x="74.93" y="68.58" size="0.8128" layer="98" align="top-left">Datasheet wants a 10k NTC B=3370
Battery pack has a 10k NTC B=3435

At 0ºC:
1/273 = 1/298 + 1/3435 * ln(R/10000); R ~= 28.7 kΩ
1/273 = 1/298 + 1/3370 * ln(R/10000); R ~= 28.2 kΩ

At 60ºC
1/333 = 1/298 + 1/3435 * ln(R/10000); R ~= 2.98 kΩ
1/333 = 1/298 + 1/3370 * ln(R/10000); R ~= 3.05 kΩ

Close enough.</text>
<text x="5.842" y="89.662" size="1.27" layer="98" align="top-center">NC</text>
<text x="-2.54" y="152.4" size="1.778" layer="98" align="top-right">BATTERY

HCP643450NZC, 3.7V, 1200mah
Bare raw cell: 6.4*34.5*50.5mm max. in T*W*L
Assemble size: 6.4*34.5*52 mm max. in T*W*L
Over-charge voltage: 4.28V
Over- discharge voltage: 3.0V
Continuous charge rate: 0.2C
Peak charge rate:1C
Continuous discharge rate: 0.2C
Peak discharge rate:1C, for 2-3ms
NTC, 10K B=3435
Wire: UL1571-28AWG#, 100mm, from left
Connector: MOLEX87439-3P, positive
PCM added</text>
<wire x1="153.416" y1="63.754" x2="153.416" y2="112.014" width="0.254" layer="98" style="shortdash"/>
<text x="161.29" y="111.76" size="1.778" layer="98" align="top-center">Main
Power
Switch</text>
<text x="133.35" y="136.144" size="0.8128" layer="98" align="top-left">Fig32
C3

No val
given

Guess
small
filter</text>
<text x="110.744" y="128.27" size="0.8128" layer="98" rot="R90" align="top-left">Fig32 NTC</text>
<text x="87.122" y="122.174" size="0.8128" layer="98" align="top-left">Fig32 R1</text>
<wire x1="97.79" y1="128.27" x2="82.55" y2="128.27" width="0.127" layer="98" style="shortdash"/>
<wire x1="82.55" y1="128.27" x2="82.55" y2="120.65" width="0.127" layer="98" style="shortdash"/>
<wire x1="97.79" y1="128.27" x2="97.79" y2="120.65" width="0.127" layer="98" style="shortdash"/>
<wire x1="97.79" y1="120.65" x2="82.55" y2="120.65" width="0.127" layer="98" style="shortdash"/>
<text x="39.37" y="63.5" size="0.8128" layer="98" align="top-left">ISET controls constant charge current
Battery wants 0.2C * 1200 mAh = 240 mA

§9.2.1.2.1.1 Eqn
R_ISET = [540AΩ/0.24A] = 2.25kΩ</text>
<text x="233.68" y="159.004" size="0.8128" layer="98">Current control is a bit redundant
here as VQI feeds directly to BQ24040,
which also limits current.
(Note that the BQ24040 is the more
important limiter, as it limits from
both USB and this source).

Battery charge configured to max of
240 mA charge * 1.2 preterm = 288 mA.

---

For simplicity, configure this to match
the current limit of USB: 500 mA.

This is comfortably more than the
downstream limit.</text>
<wire x1="233.172" y1="158.75" x2="181.61" y2="147.574" width="0.0508" layer="98" style="shortdash"/>
<text x="63.246" y="133.35" size="0.8128" layer="98" align="top-center">Just a three pin header
Made of three 1-pins
for layout reasons</text>
<text x="13.462" y="143.002" size="0.8128" layer="98">"Positive Polarity" from manufacturer
means that if looking "top-down", "through"
the connector (metal contacts of the connector
not visible), the wires from L to R are [-, NTC, +]</text>
</plain>
<instances>
<instance part="FRAME1" gate="G$1" x="0" y="0" smashed="yes"/>
<instance part="FRAME1" gate="G$2" x="147.32" y="0" smashed="yes">
<attribute name="LAST_DATE_TIME" x="160.02" y="1.27" size="2.54" layer="94" font="vector"/>
<attribute name="SHEET" x="233.68" y="1.27" size="2.54" layer="94" font="vector"/>
<attribute name="REV" x="241.33175" y="11.755121875" size="2.54" layer="94" font="vector" align="bottom-center"/>
<attribute name="TITLE" x="148.59" y="12.2428" size="3.175" layer="94" font="vector"/>
<attribute name="AUTHOR" x="164.465" y="6.35" size="2.54" layer="94" font="vector"/>
</instance>
<instance part="R10" gate="G$1" x="33.02" y="121.92" smashed="yes">
<attribute name="NAME" x="29.21" y="123.4186" size="1.778" layer="95"/>
<attribute name="VALUE" x="29.21" y="118.618" size="1.778" layer="96"/>
</instance>
<instance part="SUPPLY6" gate="1" x="190.5" y="66.04" smashed="yes">
<attribute name="VALUE" x="187.96" y="63.5" size="1.778" layer="96"/>
</instance>
<instance part="P+1" gate="P1" x="213.36" y="101.6" smashed="yes">
<attribute name="VALUE" x="210.82" y="96.52" size="1.778" layer="96" rot="R90"/>
</instance>
<instance part="R36" gate="G$1" x="129.54" y="76.2" smashed="yes" rot="R90">
<attribute name="NAME" x="128.0414" y="72.39" size="1.778" layer="95" rot="R90"/>
<attribute name="VALUE" x="132.842" y="72.39" size="1.778" layer="96" rot="R90"/>
<attribute name="DIGIKEY" x="129.54" y="76.2" size="1.778" layer="96" rot="R90" display="off"/>
<attribute name="MPN" x="129.54" y="76.2" size="1.778" layer="96" rot="R90" display="off"/>
</instance>
<instance part="R35" gate="G$1" x="129.54" y="88.9" smashed="yes" rot="R90">
<attribute name="NAME" x="128.0414" y="85.09" size="1.778" layer="95" rot="R90"/>
<attribute name="VALUE" x="132.842" y="85.09" size="1.778" layer="96" rot="R90"/>
<attribute name="DIGIKEY" x="129.54" y="88.9" size="1.778" layer="96" rot="R90" display="off"/>
<attribute name="MPN" x="129.54" y="88.9" size="1.778" layer="96" rot="R90" display="off"/>
</instance>
<instance part="C76" gate="G$1" x="172.72" y="78.74" smashed="yes">
<attribute name="NAME" x="171.45" y="77.47" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="173.99" y="77.47" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="C77" gate="G$1" x="213.36" y="78.74" smashed="yes">
<attribute name="NAME" x="212.09" y="77.47" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="214.63" y="77.47" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="C37" gate="G$1" x="137.16" y="73.66" smashed="yes" rot="R180">
<attribute name="NAME" x="144.272" y="76.073" size="1.778" layer="95" rot="R180"/>
<attribute name="VALUE" x="146.05" y="73.279" size="1.778" layer="96" rot="R180"/>
</instance>
<instance part="SUPPLY4" gate="1" x="129.54" y="66.04" smashed="yes">
<attribute name="VALUE" x="127" y="63.5" size="1.778" layer="96"/>
</instance>
<instance part="SUPPLY7" gate="1" x="137.16" y="66.04" smashed="yes">
<attribute name="VALUE" x="134.62" y="63.5" size="1.778" layer="96"/>
</instance>
<instance part="D1" gate="G$1" x="40.64" y="121.92" smashed="yes" rot="R90">
<attribute name="NAME" x="40.132" y="121.031" size="1.778" layer="95" font="vector" rot="R180"/>
<attribute name="VALUE" x="45.212" y="123.825" size="1.778" layer="96" font="vector" rot="R180" align="top-left"/>
<attribute name="DIGIKEY" x="40.64" y="121.92" size="1.778" layer="96" rot="R90" display="off"/>
<attribute name="MPN" x="40.64" y="121.92" size="1.778" layer="96" rot="R90" display="off"/>
</instance>
<instance part="SUPPLY8" gate="1" x="43.18" y="129.54" smashed="yes">
<attribute name="VALUE" x="40.64" y="127" size="1.778" layer="96"/>
</instance>
<instance part="U5" gate="G$1" x="190.5" y="86.36" smashed="yes">
<attribute name="NAME" x="180.34" y="91.948" size="1.778" layer="95" ratio="12"/>
<attribute name="VALUE" x="185.42" y="91.948" size="1.778" layer="96" ratio="12"/>
</instance>
<instance part="SUPPLY9" gate="1" x="213.36" y="66.04" smashed="yes">
<attribute name="VALUE" x="210.82" y="63.5" size="1.778" layer="96"/>
</instance>
<instance part="SUPPLY10" gate="1" x="205.74" y="66.04" smashed="yes">
<attribute name="VALUE" x="203.2" y="63.5" size="1.778" layer="96"/>
</instance>
<instance part="SUPPLY11" gate="1" x="172.72" y="66.04" smashed="yes">
<attribute name="VALUE" x="170.18" y="63.5" size="1.778" layer="96"/>
</instance>
<instance part="C26" gate="G$1" x="205.74" y="78.74" smashed="yes">
<attribute name="NAME" x="204.47" y="77.47" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="207.01" y="77.47" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="U3" gate="G$1" x="198.12" y="30.48" smashed="yes">
<attribute name="NAME" x="198.12" y="53.848" size="1.778" layer="95"/>
<attribute name="VALUE" x="198.12" y="30.48" size="1.778" layer="96"/>
</instance>
<instance part="C38" gate="G$1" x="172.72" y="45.72" smashed="yes" rot="R270">
<attribute name="DIGIKEY" x="172.72" y="45.72" size="1.778" layer="96" rot="R270" display="off"/>
<attribute name="MPN" x="172.72" y="45.72" size="1.778" layer="96" rot="R270" display="off"/>
<attribute name="NAME" x="171.45" y="46.99" size="1.778" layer="95" ratio="12" align="bottom-center"/>
<attribute name="VALUE" x="171.45" y="44.45" size="1.778" layer="96" ratio="12" rot="R180" align="bottom-center"/>
</instance>
<instance part="GND16" gate="1" x="215.9" y="25.4" smashed="yes">
<attribute name="VALUE" x="213.36" y="22.86" size="1.778" layer="96"/>
</instance>
<instance part="P+9" gate="P1" x="193.04" y="58.42" smashed="yes">
<attribute name="VALUE" x="191.516" y="58.674" size="1.778" layer="96" rot="R180"/>
</instance>
<instance part="GND17" gate="1" x="165.1" y="25.4" smashed="yes">
<attribute name="VALUE" x="162.56" y="22.86" size="1.778" layer="96"/>
</instance>
<instance part="C78" gate="G$1" x="50.8" y="40.64" smashed="yes">
<attribute name="DIGIKEY" x="50.8" y="40.64" size="1.27" layer="96" align="bottom-center" display="off"/>
<attribute name="NAME" x="49.53" y="39.37" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="52.07" y="39.37" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="GND18" gate="1" x="45.72" y="5.08" smashed="yes">
<attribute name="VALUE" x="43.18" y="2.54" size="1.778" layer="96"/>
</instance>
<instance part="J2" gate="G$1" x="124.46" y="27.94" smashed="yes" rot="MR0">
<attribute name="NAME" x="137.16" y="40.64" size="1.27" layer="95" rot="MR0"/>
<attribute name="VALUE" x="137.16" y="5.08" size="1.27" layer="96" rot="MR0"/>
</instance>
<instance part="P+10" gate="P1" x="15.24" y="38.1" smashed="yes">
<attribute name="VALUE" x="12.7" y="33.02" size="1.778" layer="96" rot="R90"/>
</instance>
<instance part="U8" gate="G$1" x="25.4" y="25.4" smashed="yes">
<attribute name="NAME" x="25.4" y="38.608" size="1.778" layer="95"/>
<attribute name="VALUE" x="25.4" y="25.654" size="1.778" layer="96"/>
</instance>
<instance part="R28" gate="G$1" x="33.02" y="20.32" smashed="yes">
<attribute name="NAME" x="29.21" y="21.8186" size="1.778" layer="95"/>
<attribute name="VALUE" x="29.21" y="17.018" size="1.778" layer="96"/>
</instance>
<instance part="R29" gate="G$1" x="66.04" y="40.64" smashed="yes" rot="R90">
<attribute name="NAME" x="64.5414" y="36.83" size="1.778" layer="95" rot="R90"/>
<attribute name="VALUE" x="69.342" y="36.83" size="1.778" layer="96" rot="R90"/>
</instance>
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<attribute name="VALUE" x="228.6" y="137.16" size="1.778" layer="96"/>
</instance>
<instance part="C91" gate="G$1" x="220.98" y="177.8" smashed="yes">
<attribute name="NAME" x="219.71" y="176.53" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="222.25" y="176.53" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
<attribute name="DIGIKEY" x="220.98" y="177.8" size="1.27" layer="96" align="top-left" display="off"/>
<attribute name="MPN" x="220.98" y="177.8" size="1.27" layer="96" align="top-left" display="off"/>
</instance>
<instance part="C64" gate="G$1" x="228.6" y="177.8" smashed="yes">
<attribute name="DIGIKEY" x="228.6" y="177.8" size="1.778" layer="96" display="off"/>
<attribute name="MPN" x="228.6" y="177.8" size="1.778" layer="96" display="off"/>
<attribute name="NAME" x="227.33" y="176.53" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="229.87" y="176.53" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="SUPPLY36" gate="1" x="228.6" y="165.1" smashed="yes">
<attribute name="VALUE" x="226.06" y="162.56" size="1.778" layer="96"/>
</instance>
<instance part="JP3" gate="G$1" x="114.3" y="137.16" smashed="yes" rot="R270">
<attribute name="NAME" x="114.3" y="135.382" size="1.27" layer="95" font="vector" ratio="12" align="top-center"/>
</instance>
<instance part="R24" gate="G$1" x="121.92" y="132.08" smashed="yes" rot="R90">
<attribute name="DIGIKEY" x="121.92" y="132.08" size="1.778" layer="96" rot="R90" display="off"/>
<attribute name="MPN" x="121.92" y="132.08" size="1.778" layer="96" rot="R90" display="off"/>
<attribute name="NAME" x="120.4214" y="128.27" size="1.778" layer="95" rot="R90"/>
<attribute name="VALUE" x="125.222" y="128.27" size="1.778" layer="96" rot="R90"/>
</instance>
<instance part="SUPPLY37" gate="1" x="121.92" y="121.92" smashed="yes">
<attribute name="VALUE" x="119.38" y="119.38" size="1.778" layer="96"/>
</instance>
<instance part="RT1" gate="B" x="106.68" y="132.08" smashed="yes" rot="R90">
<attribute name="NAME" x="105.1814" y="128.27" size="1.778" layer="95" rot="R90"/>
<attribute name="VALUE" x="109.982" y="124.46" size="1.778" layer="96" rot="R90"/>
<attribute name="DIGIKEY" x="106.68" y="132.08" size="1.778" layer="96" rot="R90" display="off"/>
<attribute name="MPN" x="106.68" y="132.08" size="1.778" layer="96" rot="R90" display="off"/>
</instance>
<instance part="SUPPLY38" gate="1" x="78.74" y="119.38" smashed="yes">
<attribute name="VALUE" x="76.2" y="116.84" size="1.778" layer="96"/>
</instance>
<instance part="C65" gate="G$1" x="129.54" y="132.08" smashed="yes">
<attribute name="DIGIKEY" x="129.54" y="132.08" size="1.778" layer="96" display="off"/>
<attribute name="MPN" x="129.54" y="132.08" size="1.778" layer="96" display="off"/>
<attribute name="NAME" x="128.27" y="130.81" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="130.81" y="130.81" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="SUPPLY39" gate="1" x="129.54" y="121.92" smashed="yes">
<attribute name="VALUE" x="127" y="119.38" size="1.778" layer="96"/>
</instance>
<instance part="R14" gate="G$1" x="96.52" y="124.46" smashed="yes">
<attribute name="NAME" x="92.71" y="125.9586" size="1.778" layer="95"/>
<attribute name="VALUE" x="92.71" y="121.158" size="1.778" layer="96"/>
</instance>
<instance part="R15" gate="G$1" x="86.36" y="124.46" smashed="yes">
<attribute name="NAME" x="82.55" y="125.9586" size="1.778" layer="95"/>
<attribute name="VALUE" x="82.55" y="121.158" size="1.778" layer="96"/>
</instance>
<instance part="C74" gate="G$1" x="43.18" y="93.98" smashed="yes">
<attribute name="DIGIKEY" x="43.18" y="93.98" size="1.778" layer="96" display="off"/>
<attribute name="MPN" x="43.18" y="93.98" size="1.778" layer="96" display="off"/>
<attribute name="NAME" x="41.91" y="92.71" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="44.45" y="92.71" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="C75" gate="G$1" x="119.38" y="93.98" smashed="yes">
<attribute name="DIGIKEY" x="119.38" y="93.98" size="1.778" layer="96" display="off"/>
<attribute name="MPN" x="119.38" y="93.98" size="1.778" layer="96" display="off"/>
<attribute name="NAME" x="118.11" y="92.71" size="1.778" layer="95" ratio="12" rot="R90" align="bottom-center"/>
<attribute name="VALUE" x="120.65" y="92.71" size="1.778" layer="96" ratio="12" rot="R270" align="bottom-center"/>
</instance>
<instance part="J6" gate="G$1" x="66.04" y="142.24" smashed="yes">
<attribute name="NAME" x="68.326" y="141.859" size="1.778" layer="95"/>
<attribute name="VALUE" x="59.69" y="137.16" size="1.778" layer="96"/>
</instance>
<instance part="J7" gate="G$1" x="66.04" y="139.7" smashed="yes">
<attribute name="NAME" x="68.326" y="139.573" size="1.778" layer="95"/>
<attribute name="VALUE" x="59.69" y="134.62" size="1.778" layer="96"/>
</instance>
<instance part="J8" gate="G$1" x="66.04" y="137.16" smashed="yes">
<attribute name="NAME" x="68.326" y="137.287" size="1.778" layer="95"/>
<attribute name="VALUE" x="59.69" y="132.08" size="1.778" layer="96"/>
</instance>
</instances>
<busses>
</busses>
<nets>
<net name="GND" class="0">
<segment>
<pinref part="SUPPLY6" gate="1" pin="GND"/>
<wire x1="190.5" y1="68.58" x2="190.5" y2="76.2" width="0.1524" layer="91"/>
<pinref part="U5" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="C37" gate="G$1" pin="1"/>
<pinref part="SUPPLY7" gate="1" pin="GND"/>
<wire x1="137.16" y1="71.12" x2="137.16" y2="68.58" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="SUPPLY8" gate="1" pin="GND"/>
<wire x1="43.18" y1="132.08" x2="43.18" y2="137.16" width="0.1524" layer="91"/>
<wire x1="63.5" y1="137.16" x2="43.18" y2="137.16" width="0.1524" layer="91"/>
<pinref part="J8" gate="G$1" pin="1"/>
<pinref part="J5" gate="G$1" pin="1"/>
<wire x1="17.78" y1="142.24" x2="43.18" y2="142.24" width="0.1524" layer="91"/>
<wire x1="43.18" y1="142.24" x2="43.18" y2="137.16" width="0.1524" layer="91"/>
<junction x="43.18" y="137.16"/>
</segment>
<segment>
<pinref part="C76" gate="G$1" pin="2"/>
<pinref part="SUPPLY11" gate="1" pin="GND"/>
<wire x1="172.72" y1="73.66" x2="172.72" y2="68.58" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="C77" gate="G$1" pin="2"/>
<pinref part="SUPPLY9" gate="1" pin="GND"/>
<wire x1="213.36" y1="68.58" x2="213.36" y2="73.66" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="C26" gate="G$1" pin="2"/>
<pinref part="SUPPLY10" gate="1" pin="GND"/>
<wire x1="205.74" y1="73.66" x2="205.74" y2="68.58" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="GND"/>
<pinref part="GND16" gate="1" pin="GND"/>
<wire x1="215.9" y1="27.94" x2="215.9" y2="30.48" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="C78" gate="G$1" pin="2"/>
<pinref part="GND18" gate="1" pin="GND"/>
<pinref part="J2" gate="G$1" pin="B"/>
<pinref part="J2" gate="G$1" pin="GND"/>
<pinref part="U8" gate="G$1" pin="GND"/>
<wire x1="106.68" y1="10.16" x2="50.8" y2="10.16" width="0.1524" layer="91"/>
<wire x1="106.68" y1="17.78" x2="106.68" y2="10.16" width="0.1524" layer="91"/>
<wire x1="109.22" y1="10.16" x2="106.68" y2="10.16" width="0.1524" layer="91"/>
<wire x1="109.22" y1="17.78" x2="106.68" y2="17.78" width="0.1524" layer="91"/>
<wire x1="45.72" y1="10.16" x2="45.72" y2="7.62" width="0.1524" layer="91"/>
<wire x1="45.72" y1="30.48" x2="45.72" y2="20.32" width="0.1524" layer="91"/>
<wire x1="45.72" y1="20.32" x2="45.72" y2="10.16" width="0.1524" layer="91"/>
<wire x1="50.8" y1="10.16" x2="45.72" y2="10.16" width="0.1524" layer="91"/>
<wire x1="50.8" y1="35.56" x2="50.8" y2="10.16" width="0.1524" layer="91"/>
<junction x="106.68" y="10.16"/>
<junction x="45.72" y="10.16"/>
<junction x="50.8" y="10.16"/>
<wire x1="35.56" y1="20.32" x2="45.72" y2="20.32" width="0.1524" layer="91"/>
<junction x="45.72" y="20.32"/>
<pinref part="R28" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="B1" gate="G$1" pin="-"/>
<pinref part="SUPPLY16" gate="1" pin="GND"/>
<wire x1="243.84" y1="101.6" x2="243.84" y2="99.06" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="R18" gate="G$1" pin="2"/>
<pinref part="SUPPLY3" gate="1" pin="GND"/>
<wire x1="7.62" y1="152.4" x2="7.62" y2="154.94" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="R19" gate="G$1" pin="2"/>
<pinref part="SUPPLY5" gate="1" pin="GND"/>
<wire x1="68.58" y1="152.4" x2="68.58"

repository: HopeBing/socitrack

repo_name: HopeBing/socitrack

extension: sch