<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.0.0">
<drawing>
<board>
<plain>
<wire x1="0.635" y1="20.955" x2="0.635" y2="0" width="0.1016" layer="20"/>
<wire x1="0.635" y1="0" x2="41.275" y2="0" width="0.1016" layer="20"/>
<wire x1="41.275" y1="0" x2="41.275" y2="20.955" width="0.1016" layer="20"/>
<wire x1="41.275" y1="20.955" x2="0.635" y2="20.955" width="0.1016" layer="20"/>
<text>LTC4425 v.1
rstory1</text>
<text>ON</text>
<text>OFF</text>
<text>Rprog = 1000 * </text>
<text>1V</text>
<text>Ichrg</text>
<text>----</text>
<text>Rprog</text>
</plain>
<libraries>
<library name="LTC4425 Supercap Charger">
<description>Highly Efficient 3A Synchronous Buck Regulator</description>
<packages>
<package name="MSOP">
<description>DFN 12 LEAD DUAL FLAT NO-LEAD PLASTIC PACKAGE</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="PESDxS2UT">
<packages>
<package name="SOT-23">
</package>
</packages>
</library>
<library name="con-lstb">
<description>&lt;b&gt;Pin Headers&lt;/b&gt;&lt;p&gt;
Naming:&lt;p&gt;
MA = male&lt;p&gt;
# contacts - # rows&lt;p&gt;
W = angled&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="MA04-1">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="Ryan">
<packages>
<package name="CAP_EECHW_18X35">
</package>
</packages>
</library>
<library name="holes">
<description>&lt;b&gt;Mounting Holes and Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="2,8">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 2.8 mm with drill center</description>
</package>
<package name="3,0">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 3.0 mm with drill center</description>
</package>
</packages>
</library>
<library name="MCU0805MD1001DP500">
<description>&lt;RES SMD 1K OHM 0.5% 1/5W 0805&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by SamacSys&lt;/author&gt;</description>
<packages>
<package name="RESC2012X62N">
<description>&lt;b&gt;MCU0805&lt;/b&gt;&lt;br&gt;
</description>
</package>
</packages>
</library>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Capacitors&lt;/h3&gt;
This library contains capacitors. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="0805">
<description>&lt;p&gt;&lt;b&gt;Generic 2012 (0805) package&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;0.2mm courtyard excess rounded to nearest 0.05mm.&lt;/p&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C2" library="SparkFun-Capacitors" package="0805" value="1.0uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-11625"/>
<attribute name="VALUE" value="1.0uF"/>
</element>
<element name="IC1" library="LTC4425 Supercap Charger" package="MSOP" value="LTC4425">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="MCU0805MD1001DP500" package="RESC2012X62N" value="10k">
<attribute name="3D_PACKAGE" value=""/>
<attribute name="ALLIED_NUMBER" value=""/>
<attribute name="DESCRIPTION" value="RES SMD 1K OHM 0.5% 1/5W 0805"/>
<attribute name="HEIGHT" value="0.62mm"/>
<attribute name="MANUFACTURER_NAME" value="VISHAY BEYSCHLAG"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MCU0805MD1001DP500"/>
<attribute name="NAME"/>
<attribute name="OTHER_PART_NUMBER" value=""/>
<attribute name="RS_PART_NUMBER" value=""/>
<attribute name="SUPPLIER_NAME" value="RS"/>
<attribute name="VALUE"/>
</element>
<element name="RPROG" library="MCU0805MD1001DP500" package="RESC2012X62N" value="2k">
<attribute name="3D_PACKAGE" value=""/>
<attribute name="ALLIED_NUMBER" value=""/>
<attribute name="DESCRIPTION" value="RES SMD 1K OHM 0.5% 1/5W 0805"/>
<attribute name="HEIGHT" value="0.62mm"/>
<attribute name="MANUFACTURER_NAME" value="VISHAY BEYSCHLAG"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MCU0805MD1001DP500"/>
<attribute name="NAME"/>
<attribute name="OTHER_PART_NUMBER" value=""/>
<attribute name="RS_PART_NUMBER" value=""/>
<attribute name="SUPPLIER_NAME" value="RS"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="MCU0805MD1001DP500" package="RESC2012X62N" value="1.5M">
<attribute name="3D_PACKAGE" value=""/>
<attribute name="ALLIED_NUMBER" value=""/>
<attribute name="DESCRIPTION" value="RES SMD 1K OHM 0.5% 1/5W 0805"/>
<attribute name="HEIGHT" value="0.62mm"/>
<attribute name="MANUFACTURER_NAME" value="VISHAY BEYSCHLAG"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MCU0805MD1001DP500"/>
<attribute name="NAME"/>
<attribute name="OTHER_PART_NUMBER" value=""/>
<attribute name="RS_PART_NUMBER" value=""/>
<attribute name="SUPPLIER_NAME" value="RS"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="MCU0805MD1001DP500" package="RESC2012X62N" value="1.2M">
<attribute name="3D_PACKAGE" value=""/>
<attribute name="ALLIED_NUMBER" value=""/>
<attribute name="DESCRIPTION" value="RES SMD 1K OHM 0.5% 1/5W 0805"/>
<attribute name="HEIGHT" value="0.62mm"/>
<attribute name="MANUFACTURER_NAME" value="VISHAY BEYSCHLAG"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MCU0805MD1001DP500"/>
<attribute name="NAME"/>
<attribute name="OTHER_PART_NUMBER" value=""/>
<attribute name="RS_PART_NUMBER" value=""/>
<attribute name="SUPPLIER_NAME" value="RS"/>
<attribute name="VALUE"/>
</element>
<element name="VIN" library="pinhead" package="1X02" value="VIN">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="VOUT" library="pinhead" package="1X02" value="VOUT">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="PESDxS2UT" package="SOT-23" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SV1" library="con-lstb" package="MA04-1" value="enable">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="Ryan" package="CAP_EECHW_18X35" value="25F-ILCAP">
<attribute name="MANUFACTURER_PART_NUMBER" value="EECHW0D226"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VENDOR" value="Panasonic"/>
</element>
<element name="C3" library="Ryan" package="CAP_EECHW_18X35" value="25F-ILCAP">
<attribute name="MANUFACTURER_PART_NUMBER" value="EECHW0D226"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VENDOR" value="Panasonic"/>
</element>
<element name="H1" library="holes" package="2,8" value="MOUNT-HOLE2.8"/>
<element name="H3" library="holes" package="2,8" value="MOUNT-HOLE2.8"/>
<element name="H4" library="holes" package="2,8" value="MOUNT-HOLE2.8"/>
</elements>
<signals>
<signal name="PFI_RET">
<contactref element="IC1" pad="PFI_RET"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="PFI">
<contactref element="IC1" pad="PFI"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="GND2"/>
<contactref element="IC1" pad="GND3"/>
<contactref element="IC1" pad="GND1"/>
<contactref element="RPROG" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="VOUT" pad="1"/>
<contactref element="VIN" pad="1"/>
<contactref element="IC2" pad="GND"/>
<contactref element="R6" pad="2"/>
<contactref element="SV1" pad="1"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="VIN">
<contactref element="IC1" pad="VIN1"/>
<contactref element="IC1" pad="VIN2"/>
<contactref element="IC1" pad="SEL"/>
<contactref element="IC1" pad="FB"/>
<contactref element="C2" pad="1"/>
<contactref element="R2" pad="2"/>
<contactref element="VIN" pad="2"/>
<contactref element="IC2" pad="CH2"/>
<contactref element="IC2" pad="CH1"/>
<contactref element="SV1" pad="3"/>
</signal>
<signal name="VOUT">
<contactref element="IC1" pad="VOUT2"/>
<contactref element="IC1" pad="VOUT1"/>
<contactref element="VOUT" pad="2"/>
<contactref element="C3" pad="1"/>
</signal>
<signal name="VMID">
<contactref element="IC1" pad="VMID"/>
<contactref element="C3" pad="2"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="PROG">
<contactref element="IC1" pad="PROG"/>
<contactref element="RPROG" pad="2"/>
</signal>
<signal name="EN">
<contactref element="IC1" pad="EN"/>
<contactref element="R6" pad="1"/>
<contactref element="SV1" pad="2"/>
</signal>
<signal name="PFO">
<contactref element="SV1" pad="4"/>
<contactref element="IC1" pad="!PFO!"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
