<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.1">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="15.5" y2="0" width="0" layer="20"/>
<wire x1="15.5" y1="0" x2="15.5" y2="25" width="0" layer="20" locked="yes"/>
<wire x1="15.5" y1="25" x2="0" y2="25" width="0" layer="20"/>
<wire x1="0" y1="25" x2="0" y2="0" width="0" layer="20" locked="yes"/>
<text>+</text>
<text>-</text>
<text>EN</text>
<text>1k</text>
<text>1k</text>
<text>220</text>
<text>220</text>
<text>220</text>
<text>800</text>
<text>800</text>
<text>800</text>
<text>1K</text>
<text>C1</text>
<text>IC1</text>
<text>J4</text>
<text>J5</text>
<text>Q1</text>
<text>Q2</text>
<text>Q3</text>
<text>Voltage Translator
Beta V3
Jefferson Ballard</text>
</plain>
<libraries>
<library name="SamacSys_Parts">
<description>&lt;b&gt;https://componentsearchengine.com&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by SamacSys&lt;/author&gt;</description>
<packages>
<package name="CAPAE430X550N">
<description>&lt;b&gt;case code 4.0x5.5&lt;/b&gt;&lt;br&gt;
</description>
</package>
<package name="SOT95P237X112-3N">
<description>&lt;b&gt;DBZ0003A SOT-23&lt;/b&gt;&lt;br&gt;
</description>
</package>
<package name="SOT96P237X111-3N">
<description>&lt;b&gt;SOT-23 (TO-236) CASE 318-08 ISSUE AR&lt;/b&gt;&lt;br&gt;
</description>
</package>
<package name="RESC3216X60N">
<description>&lt;b&gt;CRCW1206&lt;/b&gt;&lt;br&gt;
</description>
</package>
<package name="RESC3216X75N">
<description>&lt;b&gt;CR1206&lt;/b&gt;&lt;br&gt;
</description>
</package>
</packages>
</library>
<library name="Headers">
<description>&lt;h3&gt; PCBLayout.com - Frequently Used &lt;i&gt;Headers&lt;/i&gt;&lt;/h3&gt;

Visit us at &lt;a href="http://www.PCBLayout.com"&gt;PCBLayout.com&lt;/a&gt; for quick and hassle-free PCB Layout/Manufacturing ordering experience.
&lt;BR&gt;
&lt;BR&gt;
This library has been generated by our experienced pcb layout engineers using current IPC and/or industry standards. We &lt;b&gt;believe&lt;/b&gt; the content to be accurate, complete and current. But, this content is provided as a courtesy and &lt;u&gt;user assumes all risk and responsiblity of it's usage&lt;/u&gt;.
&lt;BR&gt;
&lt;BR&gt;
Feel free to contact us at &lt;a href="mailto:Support@PCBLayout.com"&gt;Support@PCBLayout.com&lt;/a&gt; if you have any questions/concerns regarding any of our content or services.</description>
<packages>
<package name="61300811121">
</package>
</packages>
</library>
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<attributes>
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<element name="C1" library="SamacSys_Parts" package="CAPAE430X550N" value="865230540001">
<attribute name="DESCRIPTION" value="Wurth Elektronik 4.7uF 35 V dc Aluminium Electrolytic Capacitor, WCAP-AS5H Series 5000h 5.5 (Dia.) x 3.85mm"/>
<attribute name="HEIGHT" value="5.5mm"/>
<attribute name="MANUFACTURER_NAME" value="Wurth Elektronik"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="865230540001"/>
<attribute name="MOUSER_PART_NUMBER" value="710-865230540001"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Wurth-Elektronik/865230540001?qs=0KOYDY2FL29HgQ21rHxNYQ%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="IC1" library="SamacSys_Parts" package="SOT95P237X112-3N" value="TLV76012DBZR">
<attribute name="DESCRIPTION" value="100-mA, 30-V wide-VIN, fixed-output linear voltage regulator"/>
<attribute name="HEIGHT" value="1.12mm"/>
<attribute name="MANUFACTURER_NAME" value="Texas Instruments"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="TLV76012DBZR"/>
<attribute name="MOUSER_PART_NUMBER" value="595-TLV76012DBZR"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Texas-Instruments/TLV76012DBZR?qs=HXFqYaX1Q2yBzh198gSyIQ%3D%3D"/>
<attribute name="NAME"/>
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<element name="J4" library="Headers" package="61300811121" value="61300811121">
<attribute name="CREATED_BY" value="PCBLayout.com"/>
<attribute name="DIGI_KEY_PART_NUMBER" value="732-5321-ND"/>
<attribute name="MANUFACTURER" value="Wurth Electronics Inc."/>
<attribute name="MPN" value="61300811121"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="J5" library="Headers" package="61300811121" value="61300811121">
<attribute name="CREATED_BY" value="PCBLayout.com"/>
<attribute name="DIGI_KEY_PART_NUMBER" value="732-5321-ND"/>
<attribute name="MANUFACTURER" value="Wurth Electronics Inc."/>
<attribute name="MPN" value="61300811121"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="Q1" library="SamacSys_Parts" package="SOT96P237X111-3N" value="MMBT2222LT1G">
<attribute name="DESCRIPTION" value="ON SEMICONDUCTOR - MMBT2222LT1G. - Bipolar (BJT) Single Transistor, General Purpose, NPN, 30 V, 250 MHz, 225 mW, 600 mA, 250 hFE"/>
<attribute name="HEIGHT" value="1.11mm"/>
<attribute name="MANUFACTURER_NAME" value="ON Semiconductor"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MMBT2222LT1G"/>
<attribute name="MOUSER_PART_NUMBER" value="863-MMBT2222LT1G"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/ON-Semiconductor/MMBT2222LT1G?qs=HVbQlW5zcXXDmyyswaLspw%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="Q2" library="SamacSys_Parts" package="SOT96P237X111-3N" value="MMBT2222LT1G">
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<attribute name="HEIGHT" value="1.11mm"/>
<attribute name="MANUFACTURER_NAME" value="ON Semiconductor"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MMBT2222LT1G"/>
<attribute name="MOUSER_PART_NUMBER" value="863-MMBT2222LT1G"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/ON-Semiconductor/MMBT2222LT1G?qs=HVbQlW5zcXXDmyyswaLspw%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="Q3" library="SamacSys_Parts" package="SOT96P237X111-3N" value="MMBT2222LT1G">
<attribute name="DESCRIPTION" value="ON SEMICONDUCTOR - MMBT2222LT1G. - Bipolar (BJT) Single Transistor, General Purpose, NPN, 30 V, 250 MHz, 225 mW, 600 mA, 250 hFE"/>
<attribute name="HEIGHT" value="1.11mm"/>
<attribute name="MANUFACTURER_NAME" value="ON Semiconductor"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MMBT2222LT1G"/>
<attribute name="MOUSER_PART_NUMBER" value="863-MMBT2222LT1G"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/ON-Semiconductor/MMBT2222LT1G?qs=HVbQlW5zcXXDmyyswaLspw%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="SamacSys_Parts" package="RESC3216X60N" value="CRCW12061K00FKEAC">
<attribute name="DESCRIPTION" value="Thick Film Resistors - SMD 1/4Watt 1Kohms 1% Commercial Use"/>
<attribute name="HEIGHT" value="0.6mm"/>
<attribute name="MANUFACTURER_NAME" value="Vishay"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CRCW12061K00FKEAC"/>
<attribute name="MOUSER_PART_NUMBER" value="71-CRCW12061K00FKEAC"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.com/Search/Refine.aspx?Keyword=71-CRCW12061K00FKEAC"/>
<attribute name="NAME"/>
<attribute name="RESISTANCE" value="1k Ohm"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="SamacSys_Parts" package="RESC3216X60N" value="CRCW12061K00FKEAC">
<attribute name="DESCRIPTION" value="Thick Film Resistors - SMD 1/4Watt 1Kohms 1% Commercial Use"/>
<attribute name="HEIGHT" value="0.6mm"/>
<attribute name="MANUFACTURER_NAME" value="Vishay"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CRCW12061K00FKEAC"/>
<attribute name="MOUSER_PART_NUMBER" value="71-CRCW12061K00FKEAC"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.com/Search/Refine.aspx?Keyword=71-CRCW12061K00FKEAC"/>
<attribute name="NAME"/>
<attribute name="RESISTANCE" value="1k Ohm"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="SamacSys_Parts" package="RESC3216X75N" value="CR1206-FX-8250ELF">
<attribute name="DESCRIPTION" value="800 Ohm"/>
<attribute name="HEIGHT" value="0.75mm"/>
<attribute name="MANUFACTURER_NAME" value="Bourns"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CR1206-FX-8250ELF"/>
<attribute name="MOUSER_PART_NUMBER" value="652-CR1206FX-8250ELF"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Bourns/CR1206-FX-8250ELF?qs=x5wsLs3ZZ81PL3GF2PmvDQ%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="SamacSys_Parts" package="RESC3216X75N" value="CR1206-FX-8250ELF">
<attribute name="DESCRIPTION" value="800 Ohm"/>
<attribute name="HEIGHT" value="0.75mm"/>
<attribute name="MANUFACTURER_NAME" value="Bourns"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CR1206-FX-8250ELF"/>
<attribute name="MOUSER_PART_NUMBER" value="652-CR1206FX-8250ELF"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Bourns/CR1206-FX-8250ELF?qs=x5wsLs3ZZ81PL3GF2PmvDQ%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="R5" library="SamacSys_Parts" package="RESC3216X60N" value="CRCW1206220RFKEAC">
<attribute name="DESCRIPTION" value="220 Ohm"/>
<attribute name="HEIGHT" value="0.6mm"/>
<attribute name="MANUFACTURER_NAME" value="Vishay"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CRCW1206220RFKEAC"/>
<attribute name="MOUSER_PART_NUMBER" value="71-CRCW1206220RFKEAC"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Vishay-Dale/CRCW1206220RFKEAC?qs=E3Y5ESvWgWOpwN%2FllrABlg%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
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<element name="R6" library="SamacSys_Parts" package="RESC3216X60N" value="CRCW1206220RFKEAC">
<attribute name="DESCRIPTION" value="220 Ohm"/>
<attribute name="HEIGHT" value="0.6mm"/>
<attribute name="MANUFACTURER_NAME" value="Vishay"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CRCW1206220RFKEAC"/>
<attribute name="MOUSER_PART_NUMBER" value="71-CRCW1206220RFKEAC"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Vishay-Dale/CRCW1206220RFKEAC?qs=E3Y5ESvWgWOpwN%2FllrABlg%3D%3D"/>
<attribute name="NAME"/>
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<element name="1K" library="SamacSys_Parts" package="RESC3216X60N" value="CRCW12061K00FKEAC">
<attribute name="DESCRIPTION" value="Thick Film Resistors - SMD 1/4Watt 1Kohms 1% Commercial Use"/>
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<attribute name="MANUFACTURER_NAME" value="Vishay"/>
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<attribute name="MOUSER_PART_NUMBER" value="71-CRCW12061K00FKEAC"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.com/Search/Refine.aspx?Keyword=71-CRCW12061K00FKEAC"/>
<attribute name="NAME"/>
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<element name="R8" library="SamacSys_Parts" package="RESC3216X75N" value="CR1206-FX-8250ELF">
<attribute name="DESCRIPTION" value="800 Ohm"/>
<attribute name="HEIGHT" value="0.75mm"/>
<attribute name="MANUFACTURER_NAME" value="Bourns"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CR1206-FX-8250ELF"/>
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<element name="R9" library="SamacSys_Parts" package="RESC3216X60N" value="CRCW1206220RFKEAC">
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<attribute name="HEIGHT" value="0.6mm"/>
<attribute name="MANUFACTURER_NAME" value="Vishay"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="CRCW1206220RFKEAC"/>
<attribute name="MOUSER_PART_NUMBER" value="71-CRCW1206220RFKEAC"/>
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<attribute name="NAME"/>
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<signals>
<signal name="N$1">
<contactref element="Q1" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="R5" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="Q1" pad="3"/>
</signal>
<signal name="GND">
<contactref element="Q3" pad="2"/>
<contactref element="Q2" pad="2"/>
<contactref element="Q1" pad="2"/>
<contactref element="J5" pad="7"/>
<contactref element="IC1" pad="3"/>
<contactref element="C1" pad="2"/>
<contactref element="J5" pad="1"/>
<contactref element="J5" pad="6"/>
</signal>
<signal name="12V">
<contactref element="R5" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="Q2" pad="1"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="Q2" pad="3"/>
<contactref element="R3" pad="1"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="Q3" pad="1"/>
<contactref element="1K" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="Q3" pad="3"/>
<contactref element="R8" pad="1"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="DIR">
<contactref element="J4" pad="8"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="EN">
<contactref element="R1" pad="1"/>
<contactref element="J4" pad="1"/>
</signal>
<signal name="EN_OUT">
<contactref element="R4" pad="2"/>
<contactref element="J5" pad="5"/>
</signal>
<signal name="VIN">
<contactref element="J5" pad="8"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="STEP">
<contactref element="1K" pad="1"/>
<contactref element="J4" pad="7"/>
</signal>
<signal name="DIR-OUT">
<contactref element="R3" pad="2"/>
<contactref element="J5" pad="3"/>
</signal>
<signal name="STEP-OUT">
<contactref element="R8" pad="2"/>
<contactref element="J5" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
