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EEZ PSU block diagram rev5.4.sch
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EEZ PSU block diagram rev5.4.sch
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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
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<packages>
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<text x="12.7" y="1.27" size="2.54" layer="94" font="vector">>LAST_DATE_TIME</text>
<text x="72.39" y="1.27" size="2.54" layer="94" font="vector">Sheet:</text>
<text x="86.36" y="1.27" size="2.54" layer="94" font="vector">>SHEET</text>
<text x="88.9" y="11.43" size="2.54" layer="94" font="vector">REV:</text>
<text x="1.27" y="19.05" size="2.54" layer="94" font="vector">TITLE:</text>
<text x="1.27" y="11.43" size="2.54" layer="94" font="vector">Document Number:</text>
<text x="17.78" y="19.05" size="2.54" layer="94" font="vector">>DRAWING_NAME</text>
</symbol>
</symbols>
<devicesets>
<deviceset name="DINA4_L" prefix="FRAME" uservalue="yes">
<description><b>FRAME</b><p>
DIN A4, landscape with extra doc field</description>
<gates>
<gate name="G$1" symbol="DINA4_L" x="0" y="0"/>
<gate name="G$2" symbol="DOCFIELD" x="162.56" y="0" addlevel="can"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply2">
<description><b>Supply Symbols</b><p>
GND, VCC, 0V, +5V, -5V, etc.<p>
Please keep in mind, that these devices are necessary for the
automatic wiring of the supply signals.<p>
The pin name defined in the symbol is identical to the net which is to be wired automatically.<p>
In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.<p>
<author>Created by librarian@cadsoft.de</author></description>
<packages>
</packages>
<symbols>
<symbol name="GND">
<wire x1="-1.27" y1="0" x2="1.27" y2="0" width="0.254" layer="94"/>
<wire x1="1.27" y1="0" x2="0" y2="-1.27" width="0.254" layer="94"/>
<wire x1="0" y1="-1.27" x2="-1.27" y2="0" width="0.254" layer="94"/>
<text x="-1.905" y="-3.175" size="1.778" layer="96">>VALUE</text>
<pin name="GND" x="0" y="2.54" visible="off" length="short" direction="sup" rot="R270"/>
</symbol>
<symbol name="PE">
<wire x1="-1.27" y1="-0.762" x2="1.27" y2="-0.762" width="0.254" layer="94"/>
<wire x1="-0.635" y1="-1.524" x2="0.635" y2="-1.524" width="0.254" layer="94"/>
<wire x1="-1.905" y1="0" x2="1.905" y2="0" width="0.254" layer="94"/>
<text x="-4.445" y="-4.699" size="1.778" layer="96">>VALUE</text>
<pin name="PE" x="0" y="2.54" visible="off" length="short" direction="sup" rot="R270"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="GND" prefix="SUPPLY">
<description><b>SUPPLY SYMBOL</b></description>
<gates>
<gate name="GND" symbol="GND" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="PE" prefix="SUPPLY">
<description><b>SUPPLY SYMBOL</b></description>
<gates>
<gate name="PE" symbol="PE" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply1">
<description><b>Supply Symbols</b><p>
GND, VCC, 0V, +5V, -5V, etc.<p>
Please keep in mind, that these devices are necessary for the
automatic wiring of the supply signals.<p>
The pin name defined in the symbol is identical to the net which is to be wired automatically.<p>
In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.<p>
<author>Created by librarian@cadsoft.de</author></description>
<packages>
</packages>
<symbols>
<symbol name="PE">
<wire x1="-1.905" y1="0" x2="1.905" y2="0" width="0.254" layer="94"/>
<wire x1="-1.0922" y1="-0.508" x2="1.0922" y2="-0.508" width="0.254" layer="94"/>
<wire x1="-0.6223" y1="-1.016" x2="0.6223" y2="-1.016" width="0.254" layer="94"/>
<wire x1="-0.3048" y1="-1.524" x2="0.3302" y2="-1.524" width="0.254" layer="94"/>
<text x="-2.54" y="-2.54" size="1.778" layer="96" rot="R90">>VALUE</text>
<pin name="PE" x="0" y="2.54" visible="off" length="short" direction="sup" rot="R270"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="PE" prefix="PE">
<description><b>SUPPLY SYMBOL</b></description>
<gates>
<gate name="M" symbol="PE" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<classes>
<class number="0" name="default" width="0" drill="0">
</class>
</classes>
<parts>
<part name="FRAME1" library="frames" deviceset="DINA4_L" device=""/>
<part name="SUPPLY1" library="supply2" deviceset="GND" device=""/>
<part name="SUPPLY2" library="supply2" deviceset="PE" device=""/>
<part name="PE2" library="supply1" deviceset="PE" device=""/>
</parts>
<sheets>
<sheet>
<plain>
<wire x1="58.42" y1="165.1" x2="196.85" y2="165.1" width="0.4064" layer="100"/>
<wire x1="196.85" y1="165.1" x2="196.85" y2="80.645" width="0.4064" layer="100"/>
<wire x1="196.85" y1="80.645" x2="58.42" y2="80.645" width="0.4064" layer="100"/>
<wire x1="119.38" y1="73.66" x2="218.44" y2="73.66" width="0.4064" layer="101"/>
<wire x1="218.44" y1="73.66" x2="218.44" y2="172.72" width="0.4064" layer="101"/>
<wire x1="218.44" y1="172.72" x2="248.92" y2="172.72" width="0.4064" layer="101"/>
<wire x1="248.92" y1="172.72" x2="248.92" y2="5.08" width="0.4064" layer="101"/>
<wire x1="248.92" y1="5.08" x2="119.38" y2="5.08" width="0.4064" layer="101"/>
<wire x1="119.38" y1="5.08" x2="119.38" y2="73.66" width="0.4064" layer="101"/>
<wire x1="9.525" y1="160.02" x2="38.1" y2="160.02" width="0.4064" layer="104"/>
<wire x1="38.1" y1="160.02" x2="38.1" y2="78.74" width="0.4064" layer="104"/>
<wire x1="38.1" y1="78.74" x2="9.525" y2="78.74" width="0.4064" layer="104"/>
<wire x1="9.525" y1="78.74" x2="9.525" y2="160.02" width="0.4064" layer="104"/>
<wire x1="63.5" y1="149.86" x2="63.5" y2="132.08" width="0.4064" layer="100"/>
<wire x1="63.5" y1="132.08" x2="88.9" y2="132.08" width="0.4064" layer="100"/>
<wire x1="88.9" y1="132.08" x2="88.9" y2="149.86" width="0.4064" layer="100"/>
<wire x1="88.9" y1="149.86" x2="63.5" y2="149.86" width="0.4064" layer="100"/>
<wire x1="114.3" y1="157.48" x2="139.7" y2="157.48" width="0.4064" layer="100"/>
<wire x1="139.7" y1="157.48" x2="139.7" y2="144.78" width="0.4064" layer="100"/>
<wire x1="139.7" y1="144.78" x2="114.3" y2="144.78" width="0.4064" layer="100"/>
<wire x1="114.3" y1="144.78" x2="114.3" y2="157.48" width="0.4064" layer="100"/>
<text x="115.57" y="147.6375" size="1.778" layer="100">Power MOSFET
"Down-programmer"
Output enable</text>
<text x="162.56" y="137.16" size="1.6764" layer="100" align="center">CV control loop
(TL072)</text>
<text x="151.13" y="91.44" size="1.778" layer="100" align="center">16-bit DAC
(DAC8552)</text>
<text x="130.81" y="91.44" size="1.778" layer="100" align="center">15-bit ADC
(ADS1120)</text>
<text x="170.18" y="91.44" size="1.778" layer="100" align="center">Vref 2.5V
(REF5025)</text>
<text x="162.56" y="153.67" size="1.6764" layer="100" align="center">CV/CC detection
(LP339)</text>
<text x="110.1725" y="91.44" size="1.778" layer="100" align="center">I/O expander
(MCP23S17)</text>
<text x="151.765" y="32.385" size="1.778" layer="101">Arduino Due socket</text>
<text x="188.595" y="26.035" size="1.778" layer="101">EEPROM</text>
<text x="185.42" y="40.64" size="1.778" layer="101">RTC (PCA21125)</text>
<text x="138.43" y="66.675" size="1.778" layer="101">I/O isolators (Si86xx)</text>
<text x="229.87" y="40.005" size="1.778" layer="101" align="center">3.2" TFT color display,
240x320 with touch screen</text>
<text x="223.52" y="81.28" size="1.778" layer="103">16-ch LED driver</text>
<text x="226.06" y="132.08" size="1.778" layer="103" rot="R90">Sense+/- signal relay</text>
<text x="228.6" y="132.08" size="1.778" layer="103" rot="R90">Out+/- power relay</text>
<wire x1="152.4" y1="144.78" x2="172.72" y2="144.78" width="0.4064" layer="100"/>
<wire x1="172.72" y1="144.78" x2="172.72" y2="129.54" width="0.4064" layer="100"/>
<wire x1="172.72" y1="129.54" x2="152.4" y2="129.54" width="0.4064" layer="100"/>
<wire x1="152.4" y1="129.54" x2="152.4" y2="144.78" width="0.4064" layer="100"/>
<wire x1="152.4" y1="127" x2="172.72" y2="127" width="0.4064" layer="100"/>
<wire x1="172.72" y1="127" x2="172.72" y2="111.76" width="0.4064" layer="100"/>
<wire x1="172.72" y1="111.76" x2="152.4" y2="111.76" width="0.4064" layer="100"/>
<wire x1="152.4" y1="111.76" x2="152.4" y2="127" width="0.4064" layer="100"/>
<polygon width="0.1524" layer="91">
<vertex x="112.7125" y="147.6375"/>
<vertex x="114.3" y="147.32"/>
<vertex x="112.7125" y="147.0025"/>
</polygon>
<wire x1="122.2375" y1="96.52" x2="122.2375" y2="86.36" width="0.4064" layer="100"/>
<wire x1="122.2375" y1="86.36" x2="140.0175" y2="86.36" width="0.4064" layer="100"/>
<wire x1="140.0175" y1="86.36" x2="140.0175" y2="96.52" width="0.4064" layer="100"/>
<wire x1="140.0175" y1="96.52" x2="122.2375" y2="96.52" width="0.4064" layer="100"/>
<wire x1="142.5575" y1="96.52" x2="160.3375" y2="96.52" width="0.4064" layer="100"/>
<wire x1="160.3375" y1="96.52" x2="160.3375" y2="86.36" width="0.4064" layer="100"/>
<wire x1="160.3375" y1="86.36" x2="142.5575" y2="86.36" width="0.4064" layer="100"/>
<wire x1="142.5575" y1="86.36" x2="142.5575" y2="96.52" width="0.4064" layer="100"/>
<wire x1="162.8775" y1="96.52" x2="177.4825" y2="96.52" width="0.4064" layer="100"/>
<wire x1="177.4825" y1="96.52" x2="177.4825" y2="86.36" width="0.4064" layer="100"/>
<wire x1="177.4825" y1="86.36" x2="162.8775" y2="86.36" width="0.4064" layer="100"/>
<wire x1="162.8775" y1="86.36" x2="162.8775" y2="96.52" width="0.4064" layer="100"/>
<wire x1="119.38" y1="96.52" x2="101.6" y2="96.52" width="0.4064" layer="100"/>
<wire x1="101.6" y1="96.52" x2="101.6" y2="86.36" width="0.4064" layer="100"/>
<wire x1="101.6" y1="86.36" x2="119.38" y2="86.36" width="0.4064" layer="100"/>
<wire x1="119.38" y1="86.36" x2="119.38" y2="96.52" width="0.4064" layer="100"/>
<polygon width="0.1524" layer="91">
<vertex x="129.2225" y="143.1925"/>
<vertex x="129.54" y="144.78"/>
<vertex x="129.8575" y="143.1925"/>
</polygon>
<polygon width="0.1524" layer="91">
<vertex x="174.3075" y="139.3825"/>
<vertex x="172.72" y="139.7"/>
<vertex x="174.3075" y="140.0175"/>
</polygon>
<polygon width="0.1524" layer="91">
<vertex x="216.8525" y="155.2575"/>
<vertex x="218.44" y="154.94"/>
<vertex x="216.8525" y="154.6225"/>
</polygon>
<rectangle x1="41.5925" y1="130.81" x2="43.18" y2="138.43" layer="91"/>
<polygon width="0.1524" layer="91">
<vertex x="216.8525" y="162.8775"/>
<vertex x="218.44" y="162.56"/>
<vertex x="216.8525" y="162.2425"/>
</polygon>
<circle x="3.175" y="154.94" radius="0.3175" width="0.1524" layer="91"/>
<circle x="3.175" y="152.4" radius="0.3175" width="0.1524" layer="91"/>
<circle x="3.175" y="149.86" radius="0.3175" width="0.1524" layer="91"/>
<wire x1="88.9" y1="109.22" x2="175.26" y2="109.22" width="0.1524" layer="105"/>
<wire x1="175.26" y1="109.22" x2="175.26" y2="121.92" width="0.1524" layer="105"/>
<wire x1="175.26" y1="121.92" x2="175.26" y2="134.62" width="0.1524" layer="105"/>
<wire x1="175.26" y1="134.62" x2="172.72" y2="134.62" width="0.1524" layer="105"/>
<circle x="175.26" y="121.92" radius="0.3048" width="0.4572" layer="105"/>
<wire x1="175.26" y1="121.92" x2="172.72" y2="121.92" width="0.1524" layer="105"/>
<wire x1="88.9" y1="106.68" x2="127" y2="106.68" width="0.1524" layer="106"/>
<wire x1="127" y1="106.68" x2="177.8" y2="106.68" width="0.1524" layer="106"/>
<wire x1="177.8" y1="106.68" x2="177.8" y2="123.19" width="0.1524" layer="106"/>
<wire x1="177.8" y1="123.19" x2="172.72" y2="123.19" width="0.1524" layer="106"/>
<wire x1="177.8" y1="123.19" x2="177.8" y2="135.89" width="0.1524" layer="106"/>
<wire x1="177.8" y1="135.89" x2="172.72" y2="135.89" width="0.1524" layer="106"/>
<circle x="177.8" y="123.19" radius="0.3048" width="0.4572" layer="106"/>
<text x="118.11" y="106.9975" size="1.4224" layer="106">-5V</text>
<text x="118.11" y="109.5375" size="1.4224" layer="105">+5V</text>
<text x="117.7925" y="104.4575" size="1.4224" layer="107">+5V</text>
<text x="40.64" y="175.5775" size="1.778" layer="91">PE</text>
<wire x1="165.1" y1="104.14" x2="144.78" y2="104.14" width="0.1524" layer="107"/>
<wire x1="144.78" y1="104.14" x2="124.46" y2="104.14" width="0.1524" layer="107"/>
<wire x1="124.46" y1="104.14" x2="88.9" y2="104.14" width="0.1524" layer="107"/>
<wire x1="165.1" y1="96.52" x2="165.1" y2="104.14" width="0.1524" layer="107"/>
<wire x1="144.78" y1="96.52" x2="144.78" y2="104.14" width="0.1524" layer="107"/>
<wire x1="124.46" y1="96.52" x2="124.46" y2="104.14" width="0.1524" layer="107"/>
<circle x="124.46" y="104.14" radius="0.3048" width="0.4572" layer="107"/>
<circle x="144.78" y="104.14" radius="0.3048" width="0.4572" layer="107"/>
<text x="48.26" y="150.1775" size="1.4224" layer="91" align="center">Power transformer
or 2 x AC/DC module</text>
<text x="146.3675" y="82.55" size="1.778" layer="92">SPI bus</text>
<polygon width="0.1524" layer="91">
<vertex x="50.8" y="134.9375"/>
<vertex x="52.3875" y="134.62"/>
<vertex x="50.8" y="134.3025"/>
</polygon>
<text x="47.625" y="128.905" size="1.27" layer="91">To Ch#2</text>
<polygon width="0.1524" layer="91">
<vertex x="174.3075" y="141.9225"/>
<vertex x="172.72" y="142.24"/>
<vertex x="174.3075" y="142.5575"/>
</polygon>
<text x="205.74" y="162.8775" size="1.778" layer="108">Out+</text>
<text x="205.74" y="155.2575" size="1.778" layer="91">Out-</text>
<text x="205.74" y="160.3375" size="1.4224" layer="109">Sense+</text>
<text x="205.74" y="157.7975" size="1.4224" layer="109">Sense-</text>
<wire x1="152.4" y1="160.02" x2="152.4" y2="147.32" width="0.4064" layer="100"/>
<wire x1="152.4" y1="147.32" x2="172.72" y2="147.32" width="0.4064" layer="100"/>
<wire x1="172.72" y1="147.32" x2="172.72" y2="160.02" width="0.4064" layer="100"/>
<wire x1="172.72" y1="160.02" x2="152.4" y2="160.02" width="0.4064" layer="100"/>
<text x="162.56" y="119.38" size="1.6764" layer="100" align="center">CC control loop
(LTC2050HV,
½ TL072)</text>
<wire x1="124.46" y1="71.12" x2="175.26" y2="71.12" width="0.4064" layer="101"/>
<wire x1="175.26" y1="71.12" x2="175.26" y2="63.5" width="0.4064" layer="101"/>
<wire x1="175.26" y1="63.5" x2="124.46" y2="63.5" width="0.4064" layer="101"/>
<wire x1="124.46" y1="63.5" x2="124.46" y2="71.12" width="0.4064" layer="101"/>
<text x="98.425" y="65.0875" size="1.778" layer="92">To Ch#2</text>
<wire x1="149.86" y1="53.34" x2="175.26" y2="53.34" width="0.4064" layer="101"/>
<wire x1="175.26" y1="53.34" x2="175.26" y2="12.7" width="0.4064" layer="101"/>
<wire x1="175.26" y1="12.7" x2="149.86" y2="12.7" width="0.4064" layer="101"/>
<wire x1="149.86" y1="12.7" x2="149.86" y2="53.34" width="0.4064" layer="101"/>
<wire x1="182.88" y1="45.72" x2="187.96" y2="45.72" width="0.4064" layer="101"/>
<wire x1="187.96" y1="45.72" x2="195.58" y2="45.72" width="0.4064" layer="101"/>
<wire x1="195.58" y1="45.72" x2="205.74" y2="45.72" width="0.4064" layer="101"/>
<wire x1="205.74" y1="45.72" x2="205.74" y2="38.1" width="0.4064" layer="101"/>
<wire x1="205.74" y1="38.1" x2="182.88" y2="38.1" width="0.4064" layer="101"/>
<wire x1="182.88" y1="38.1" x2="182.88" y2="45.72" width="0.4064" layer="101"/>
<wire x1="182.88" y1="30.48" x2="205.74" y2="30.48" width="0.4064" layer="101"/>
<wire x1="205.74" y1="30.48" x2="205.74" y2="22.86" width="0.4064" layer="101"/>
<wire x1="205.74" y1="22.86" x2="182.88" y2="22.86" width="0.4064" layer="101"/>
<wire x1="182.88" y1="22.86" x2="182.88" y2="30.48" width="0.4064" layer="101"/>
<text x="133.35" y="27.305" size="1.778" layer="101" align="center">Ethernet ctrl.
(W5500)</text>
<wire x1="124.46" y1="31.115" x2="142.24" y2="31.115" width="0.4064" layer="101"/>
<wire x1="142.24" y1="31.115" x2="142.24" y2="22.86" width="0.4064" layer="101"/>
<wire x1="142.24" y1="22.86" x2="124.46" y2="22.86" width="0.4064" layer="101"/>
<wire x1="124.46" y1="22.86" x2="124.46" y2="31.115" width="0.4064" layer="101"/>
<text x="162.56" y="7.3025" size="1.778" layer="92">SPI bus</text>
<polygon width="0.1524" layer="91">
<vertex x="148.2725" y="43.4975"/>
<vertex x="149.86" y="43.18"/>
<vertex x="148.2725" y="42.8625"/>
</polygon>
<polygon width="0.1524" layer="91">
<vertex x="30.7975" y="101.9175"/>
<vertex x="29.21" y="102.235"/>
<vertex x="30.7975" y="102.5525"/>
</polygon>
<text x="118.745" y="45.085" size="1.4224" layer="109" rot="R180">USB</text>
<wire x1="187.0075" y1="13.6525" x2="185.42" y2="13.6525" width="0.1524" layer="94"/>
<wire x1="185.42" y1="13.6525" x2="185.42" y2="17.145" width="0.1524" layer="94"/>
<wire x1="185.42" y1="17.145" x2="187.0075" y2="17.145" width="0.1524" layer="94"/>
<wire x1="187.0075" y1="17.145" x2="187.0075" y2="13.6525" width="0.1524" layer="94"/>
<wire x1="187.0075" y1="13.6525" x2="189.23" y2="11.43" width="0.1524" layer="94"/>
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SMPS pre-regulator
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