Battery protection circuit

1 files changed, 105 insertions, 97 deletions

diff --git a/laser-tag badge/laser-tag.sch b/laser-tag badge/laser-tag.sch
index 612e50d..b3b2de9 100644
--- a/laser-tag badge/laser-tag.sch
+++ b/laser-tag badge/laser-tag.sch
@@ -7404,11 +7404,6 @@ Source: http://www3.alps.co.jp/WebObjects/catalog.woa/PDF/E/Switch/Tact/SKHM/SKH
 <smd name="2" x="0.2794" y="0" dx="0.8128" dy="0.4064" layer="1" rot="R90" cream="no"/>
 <wire x1="-0.254" y1="0" x2="0.254" y2="0" width="0.254" layer="1"/>
 </package>
-<package name="JUMPER_SOLDER_1X2_OPEN">
-<description>Solder jumper 6mil clearance</description>
-<smd name="1" x="-0.2794" y="0" dx="0.8128" dy="0.4064" layer="1" rot="R90" cream="no"/>
-<smd name="2" x="0.2794" y="0" dx="0.8128" dy="0.4064" layer="1" rot="R90" cream="no"/>
-</package>
 </packages>
 <symbols>
 <symbol name="JUMP_SOLDER_1X2_CLOSED">
@@ -7429,23 +7424,6 @@ Source: http://www3.alps.co.jp/WebObjects/catalog.woa/PDF/E/Switch/Tact/SKHM/SKH
 </polygon>
 <wire x1="-0.762" y1="0" x2="0.762" y2="0" width="0.254" layer="94"/>
 </symbol>
-<symbol name="JUMP_SOLDER_1X2_OPEN">
-<wire x1="-2.54" y1="0" x2="-1.524" y2="0" width="0.1524" layer="94"/>
-<wire x1="2.54" y1="0" x2="1.524" y2="0" width="0.1524" layer="94"/>
-<text x="-4.318" y="2.54" size="1.778" layer="95">&gt;NAME</text>
-<pin name="1" x="-5.08" y="0" visible="off" length="short" direction="pas"/>
-<pin name="2" x="5.08" y="0" visible="off" length="short" direction="pas" rot="R180"/>
-<polygon width="0.254" layer="94">
-<vertex x="-0.635" y="0.9137"/>
-<vertex x="-0.635" y="-0.9137" curve="-90"/>
-<vertex x="-1.5875" y="0" curve="-90"/>
-</polygon>
-<polygon width="0.254" layer="94">
-<vertex x="0.635" y="-0.9137"/>
-<vertex x="0.635" y="0.9137" curve="-90"/>
-<vertex x="1.5875" y="0" curve="-90"/>
-</polygon>
-</symbol>
 </symbols>
 <devicesets>
 <deviceset name="JUMPER_SOLDER_1X2_CLOSED" prefix="J">
@@ -7464,22 +7442,6 @@ Source: http://www3.alps.co.jp/WebObjects/catalog.woa/PDF/E/Switch/Tact/SKHM/SKH
 </device>
 </devices>
 </deviceset>
-<deviceset name="JUMPER_SOLDER_1X2_OPEN" prefix="J">
-<gates>
-<gate name="J" symbol="JUMP_SOLDER_1X2_OPEN" x="0" y="0"/>
-</gates>
-<devices>
-<device name="" package="JUMPER_SOLDER_1X2_OPEN">
-<connects>
-<connect gate="J" pin="1" pad="1"/>
-<connect gate="J" pin="2" pad="2"/>
-</connects>
-<technologies>
-<technology name=""/>
-</technologies>
-</device>
-</devices>
-</deviceset>
 </devicesets>
 </library>
 <library name="Displays">
@@ -8659,7 +8621,6 @@ www.irf.com&lt;p&gt;
 <part name="GND8" library="supply1" deviceset="GND" device=""/>
 <part name="J1" library="Jumpers" deviceset="JUMPER_SOLDER_1X2_CLOSED" device=""/>
 <part name="J3" library="Jumpers" deviceset="JUMPER_SOLDER_1X2_CLOSED" device=""/>
-<part name="J2" library="Jumpers" deviceset="JUMPER_SOLDER_1X2_OPEN" device=""/>
 <part name="PD1" library="Photonics" deviceset="PDB-C156" device=""/>
 <part name="PD2" library="Photonics" deviceset="PDB-C156" device=""/>
 <part name="P1" library="Displays" deviceset="E1260CS021" device=""/>
@@ -8699,6 +8660,12 @@ www.irf.com&lt;p&gt;
 <part name="U$3" library="adafruit" deviceset="FIDUCIAL" device=""/>
 <part name="U$4" library="adafruit" deviceset="FIDUCIAL" device=""/>
 <part name="Q1" library="transistor-small-signal" deviceset="BSS123" device="" value="2N7002"/>
+<part name="GND4" library="supply1" deviceset="GND" device=""/>
+<part name="Q2" library="transistor-small-signal" deviceset="BSS123" device=""/>
+<part name="Q3" library="transistor-small-signal" deviceset="BSS123" device=""/>
+<part name="R5" library="rcl" deviceset="R-EU_" device="R0603" value="10k"/>
+<part name="R6" library="rcl" deviceset="R-EU_" device="R0603" value="10k"/>
+<part name="P+4" library="supply1" deviceset="VCC" device=""/>
 </parts>
 <sheets>
 <sheet>
@@ -8713,9 +8680,9 @@ support interrupts</text>
 </plain>
 <instances>
 <instance part="U1" gate="A" x="10.16" y="99.06"/>
-<instance part="BAT1" gate="G$1" x="-114.3" y="88.9" rot="R90"/>
+<instance part="BAT1" gate="G$1" x="-76.2" y="-17.78" rot="R90"/>
 <instance part="P+3" gate="VCC" x="-101.6" y="104.14"/>
-<instance part="GND3" gate="1" x="-114.3" y="76.2"/>
+<instance part="GND3" gate="1" x="-86.36" y="-53.34"/>
 <instance part="C1" gate="G$1" x="-101.6" y="91.44"/>
 <instance part="C2" gate="G$1" x="-91.44" y="91.44"/>
 <instance part="C3" gate="G$1" x="-81.28" y="91.44"/>
@@ -8729,15 +8696,14 @@ support interrupts</text>
 <instance part="R1" gate="G$1" x="-38.1" y="78.74" rot="R90"/>
 <instance part="GND2" gate="1" x="-38.1" y="68.58"/>
 <instance part="R2" gate="G$1" x="-17.78" y="86.36" rot="R90"/>
-<instance part="C5" gate="G$1" x="-58.42" y="81.28"/>
-<instance part="GND5" gate="1" x="-58.42" y="71.12"/>
-<instance part="P+5" gate="VCC" x="-58.42" y="106.68"/>
+<instance part="C5" gate="G$1" x="-2.54" y="81.28"/>
+<instance part="GND5" gate="1" x="-2.54" y="71.12"/>
+<instance part="P+5" gate="VCC" x="-2.54" y="91.44"/>
 <instance part="S1" gate="G$1" x="147.32" y="27.94"/>
 <instance part="S2" gate="G$1" x="147.32" y="43.18"/>
 <instance part="GND8" gate="1" x="157.48" y="17.78"/>
 <instance part="J1" gate="J" x="2.54" y="96.52"/>
 <instance part="J3" gate="J" x="2.54" y="58.42"/>
-<instance part="J2" gate="J" x="-58.42" y="93.98" rot="R90"/>
 <instance part="PD1" gate="G$1" x="-38.1" y="93.98" rot="R180"/>
 <instance part="PD2" gate="G$1" x="-33.02" y="93.98" rot="R180"/>
 <instance part="P1" gate="G$1" x="30.48" y="-53.34"/>
@@ -8770,26 +8736,26 @@ support interrupts</text>
 <instance part="GND9" gate="1" x="-45.72" y="-2.54"/>
 <instance part="C21" gate="G$1" x="-20.32" y="43.18"/>
 <instance part="R4" gate="G$1" x="-10.16" y="66.04" rot="R90"/>
-<instance part="BAT2" gate="G$1" x="-124.46" y="88.9" rot="R90"/>
+<instance part="BAT2" gate="G$1" x="-86.36" y="-17.78" rot="R90"/>
 <instance part="USB" gate="G$1" x="-104.14" y="10.16" rot="R180"/>
 <instance part="U$1" gate="G$1" x="127" y="-2.54"/>
 <instance part="U$2" gate="G$1" x="134.62" y="-2.54"/>
 <instance part="U$3" gate="G$1" x="127" y="-10.16"/>
 <instance part="U$4" gate="G$1" x="134.62" y="-10.16"/>
 <instance part="Q1" gate="G$1" x="-17.78" y="73.66" rot="MR0"/>
+<instance part="GND4" gate="1" x="-101.6" y="76.2"/>
+<instance part="Q2" gate="G$1" x="-86.36" y="-30.48"/>
+<instance part="Q3" gate="G$1" x="-99.06" y="-40.64"/>
+<instance part="R5" gate="G$1" x="-106.68" y="-50.8" rot="R90"/>
+<instance part="R6" gate="G$1" x="-99.06" y="-17.78" rot="R90"/>
+<instance part="P+4" gate="VCC" x="-73.66" y="-5.08"/>
 </instances>
 <busses>
 </busses>
 <nets>
 <net name="GND" class="0">
 <segment>
-<pinref part="BAT1" gate="G$1" pin="-"/>
-<pinref part="GND3" gate="1" pin="GND"/>
-<wire x1="-114.3" y1="83.82" x2="-114.3" y2="81.28" width="0.1524" layer="91"/>
 <pinref part="C1" gate="G$1" pin="2"/>
-<wire x1="-114.3" y1="81.28" x2="-114.3" y2="78.74" width="0.1524" layer="91"/>
-<wire x1="-114.3" y1="81.28" x2="-101.6" y2="81.28" width="0.1524" layer="91"/>
-<junction x="-114.3" y="81.28"/>
 <pinref part="C2" gate="G$1" pin="2"/>
 <wire x1="-101.6" y1="81.28" x2="-101.6" y2="86.36" width="0.1524" layer="91"/>
 <wire x1="-101.6" y1="81.28" x2="-91.44" y2="81.28" width="0.1524" layer="91"/>
@@ -8803,9 +8769,8 @@ support interrupts</text>
 <wire x1="-81.28" y1="81.28" x2="-71.12" y2="81.28" width="0.1524" layer="91"/>
 <wire x1="-71.12" y1="81.28" x2="-71.12" y2="86.36" width="0.1524" layer="91"/>
 <junction x="-81.28" y="81.28"/>
-<pinref part="BAT2" gate="G$1" pin="-"/>
-<wire x1="-114.3" y1="81.28" x2="-124.46" y2="81.28" width="0.1524" layer="91"/>
-<wire x1="-124.46" y1="81.28" x2="-124.46" y2="83.82" width="0.1524" layer="91"/>
+<pinref part="GND4" gate="1" pin="GND"/>
+<wire x1="-101.6" y1="81.28" x2="-101.6" y2="78.74" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="U1" gate="A" pin="VSSA"/>
@@ -8859,7 +8824,7 @@ support interrupts</text>
 <segment>
 <pinref part="C5" gate="G$1" pin="2"/>
 <pinref part="GND5" gate="1" pin="GND"/>
-<wire x1="-58.42" y1="76.2" x2="-58.42" y2="73.66" width="0.1524" layer="91"/>
+<wire x1="-2.54" y1="76.2" x2="-2.54" y2="73.66" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="S1" gate="G$1" pin="2.2"/>
@@ -8949,6 +8914,21 @@ support interrupts</text>
 <pinref part="SP1" gate="S1" pin="+"/>
 <wire x1="-45.72" y1="0" x2="-45.72" y2="2.54" width="0.1524" layer="91"/>
 </segment>
+<segment>
+<pinref part="Q2" gate="G$1" pin="S"/>
+<pinref part="GND3" gate="1" pin="GND"/>
+<wire x1="-86.36" y1="-35.56" x2="-86.36" y2="-48.26" width="0.1524" layer="91"/>
+<pinref part="Q3" gate="G$1" pin="S"/>
+<wire x1="-86.36" y1="-48.26" x2="-86.36" y2="-50.8" width="0.1524" layer="91"/>
+<wire x1="-99.06" y1="-45.72" x2="-99.06" y2="-48.26" width="0.1524" layer="91"/>
+<wire x1="-99.06" y1="-48.26" x2="-86.36" y2="-48.26" width="0.1524" layer="91"/>
+<junction x="-86.36" y="-48.26"/>
+<pinref part="R5" gate="G$1" pin="1"/>
+<wire x1="-106.68" y1="-55.88" x2="-106.68" y2="-58.42" width="0.1524" layer="91"/>
+<wire x1="-106.68" y1="-58.42" x2="-99.06" y2="-58.42" width="0.1524" layer="91"/>
+<wire x1="-99.06" y1="-58.42" x2="-99.06" y2="-48.26" width="0.1524" layer="91"/>
+<junction x="-99.06" y="-48.26"/>
+</segment>
 </net>
 <net name="VCC" class="0">
 <segment>
@@ -9019,27 +8999,7 @@ support interrupts</text>
 <wire x1="-101.6" y1="101.6" x2="-101.6" y2="96.52" width="0.1524" layer="91"/>
 <junction x="-101.6" y="96.52"/>
 <pinref part="P+3" gate="VCC" pin="VCC"/>
-<pinref part="BAT1" gate="G$1" pin="+"/>
-<pinref part="BAT1" gate="G$1" pin="+1"/>
-<wire x1="-111.76" y1="93.98" x2="-111.76" y2="96.52" width="0.1524" layer="91"/>
-<wire x1="-111.76" y1="96.52" x2="-116.84" y2="96.52" width="0.1524" layer="91"/>
-<wire x1="-116.84" y1="96.52" x2="-116.84" y2="93.98" width="0.1524" layer="91"/>
-<wire x1="-111.76" y1="96.52" x2="-101.6" y2="96.52" width="0.1524" layer="91"/>
-<junction x="-111.76" y="96.52"/>
 <junction x="-101.6" y="96.52"/>
-<pinref part="BAT2" gate="G$1" pin="+1"/>
-<wire x1="-121.92" y1="93.98" x2="-121.92" y2="96.52" width="0.1524" layer="91"/>
-<wire x1="-121.92" y1="96.52" x2="-116.84" y2="96.52" width="0.1524" layer="91"/>
-<junction x="-116.84" y="96.52"/>
-<pinref part="BAT2" gate="G$1" pin="+"/>
-<wire x1="-127" y1="93.98" x2="-127" y2="96.52" width="0.1524" layer="91"/>
-<wire x1="-127" y1="96.52" x2="-121.92" y2="96.52" width="0.1524" layer="91"/>
-<junction x="-121.92" y="96.52"/>
-</segment>
-<segment>
-<pinref part="P+5" gate="VCC" pin="VCC"/>
-<wire x1="-58.42" y1="104.14" x2="-58.42" y2="99.06" width="0.1524" layer="91"/>
-<pinref part="J2" gate="J" pin="2"/>
 </segment>
 <segment>
 <pinref part="P1" gate="G$1" pin="VDD"/>
@@ -9060,6 +9020,44 @@ support interrupts</text>
 <wire x1="-20.32" y1="45.72" x2="-30.48" y2="45.72" width="0.1524" layer="91"/>
 <junction x="-30.48" y="45.72"/>
 </segment>
+<segment>
+<pinref part="BAT1" gate="G$1" pin="+"/>
+<wire x1="-78.74" y1="-10.16" x2="-78.74" y2="-12.7" width="0.1524" layer="91"/>
+<pinref part="BAT2" gate="G$1" pin="+1"/>
+<wire x1="-83.82" y1="-12.7" x2="-83.82" y2="-10.16" width="0.1524" layer="91"/>
+<pinref part="BAT2" gate="G$1" pin="+"/>
+<wire x1="-88.9" y1="-12.7" x2="-88.9" y2="-10.16" width="0.1524" layer="91"/>
+<wire x1="-88.9" y1="-10.16" x2="-83.82" y2="-10.16" width="0.1524" layer="91"/>
+<junction x="-83.82" y="-10.16"/>
+<wire x1="-83.82" y1="-10.16" x2="-78.74" y2="-10.16" width="0.1524" layer="91"/>
+<junction x="-78.74" y="-10.16"/>
+<pinref part="BAT1" gate="G$1" pin="+1"/>
+<wire x1="-73.66" y1="-12.7" x2="-73.66" y2="-10.16" width="0.1524" layer="91"/>
+<wire x1="-73.66" y1="-10.16" x2="-78.74" y2="-10.16" width="0.1524" layer="91"/>
+<pinref part="R6" gate="G$1" pin="2"/>
+<wire x1="-99.06" y1="-12.7" x2="-99.06" y2="-10.16" width="0.1524" layer="91"/>
+<wire x1="-99.06" y1="-10.16" x2="-88.9" y2="-10.16" width="0.1524" layer="91"/>
+<junction x="-88.9" y="-10.16"/>
+<pinref part="P+4" gate="VCC" pin="VCC"/>
+<wire x1="-73.66" y1="-7.62" x2="-73.66" y2="-10.16" width="0.1524" layer="91"/>
+<junction x="-73.66" y="-10.16"/>
+</segment>
+<segment>
+<pinref part="C5" gate="G$1" pin="1"/>
+<wire x1="-2.54" y1="83.82" x2="-2.54" y2="86.36" width="0.1524" layer="91"/>
+<pinref part="P+5" gate="VCC" pin="VCC"/>
+<pinref part="U1" gate="A" pin="VOUT33"/>
+<wire x1="-2.54" y1="86.36" x2="-2.54" y2="88.9" width="0.1524" layer="91"/>
+<wire x1="10.16" y1="83.82" x2="2.54" y2="83.82" width="0.1524" layer="91"/>
+<wire x1="2.54" y1="83.82" x2="2.54" y2="86.36" width="0.1524" layer="91"/>
+<wire x1="2.54" y1="86.36" x2="-2.54" y2="86.36" width="0.1524" layer="91"/>
+<junction x="-2.54" y="86.36"/>
+</segment>
+<segment>
+<pinref part="BREAKOUT1" gate="A" pin="7"/>
+<wire x1="-111.76" y1="53.34" x2="-116.84" y2="53.34" width="0.1524" layer="91"/>
+<label x="-116.84" y="53.34" size="1.778" layer="95" rot="R180"/>
+</segment>
 </net>
 <net name="PTA3" class="0">
 <segment>
@@ -9173,6 +9171,15 @@ support interrupts</text>
 <label x="-96.52" y="7.62" size="1.778" layer="95"/>
 <pinref part="USB" gate="G$1" pin="VBUS"/>
 </segment>
+<segment>
+<pinref part="R5" gate="G$1" pin="2"/>
+<pinref part="Q3" gate="G$1" pin="G"/>
+<wire x1="-106.68" y1="-45.72" x2="-106.68" y2="-43.18" width="0.1524" layer="91"/>
+<wire x1="-106.68" y1="-43.18" x2="-104.14" y2="-43.18" width="0.1524" layer="91"/>
+<wire x1="-106.68" y1="-43.18" x2="-106.68" y2="-38.1" width="0.1524" layer="91"/>
+<junction x="-106.68" y="-43.18"/>
+<label x="-106.68" y="-38.1" size="1.778" layer="95" rot="R180"/>
+</segment>
 </net>
 <net name="PTE20" class="0">
 <segment>
@@ -9772,27 +9779,6 @@ support interrupts</text>
 <label x="-76.2" y="60.96" size="1.778" layer="95" rot="R180"/>
 </segment>
 </net>
-<net name="VOUT33" class="0">
-<segment>
-<pinref part="C5" gate="G$1" pin="1"/>
-<wire x1="-58.42" y1="83.82" x2="-58.42" y2="86.36" width="0.1524" layer="91"/>
-<pinref part="J2" gate="J" pin="1"/>
-<wire x1="-58.42" y1="86.36" x2="-58.42" y2="88.9" width="0.1524" layer="91"/>
-<wire x1="-58.42" y1="86.36" x2="-55.88" y2="86.36" width="0.1524" layer="91"/>
-<junction x="-58.42" y="86.36"/>
-<label x="-55.88" y="86.36" size="1.778" layer="95"/>
-</segment>
-<segment>
-<pinref part="BREAKOUT1" gate="A" pin="7"/>
-<wire x1="-111.76" y1="53.34" x2="-116.84" y2="53.34" width="0.1524" layer="91"/>
-<label x="-116.84" y="53.34" size="1.778" layer="95" rot="R180"/>
-</segment>
-<segment>
-<pinref part="U1" gate="A" pin="VOUT33"/>
-<wire x1="10.16" y1="83.82" x2="7.62" y2="83.82" width="0.1524" layer="91"/>
-<junction x="7.62" y="83.82"/>
-</segment>
-</net>
 <net name="N$2" class="0">
 <segment>
 <pinref part="P1" gate="G$1" pin="VCOM_PANEL"/>
@@ -10065,6 +10051,28 @@ support interrupts</text>
 <pinref part="PD2" gate="G$1" pin="A"/>
 </segment>
 </net>
+<net name="N$31" class="0">
+<segment>
+<pinref part="BAT2" gate="G$1" pin="-"/>
+<wire x1="-86.36" y1="-25.4" x2="-86.36" y2="-22.86" width="0.1524" layer="91"/>
+<wire x1="-76.2" y1="-25.4" x2="-86.36" y2="-25.4" width="0.1524" layer="91"/>
+<pinref part="BAT1" gate="G$1" pin="-"/>
+<wire x1="-76.2" y1="-22.86" x2="-76.2" y2="-25.4" width="0.1524" layer="91"/>
+<pinref part="Q2" gate="G$1" pin="D"/>
+<junction x="-86.36" y="-25.4"/>
+</segment>
+</net>
+<net name="N$32" class="0">
+<segment>
+<pinref part="Q2" gate="G$1" pin="G"/>
+<wire x1="-91.44" y1="-33.02" x2="-99.06" y2="-33.02" width="0.1524" layer="91"/>
+<pinref part="Q3" gate="G$1" pin="D"/>
+<wire x1="-99.06" y1="-33.02" x2="-99.06" y2="-35.56" width="0.1524" layer="91"/>
+<pinref part="R6" gate="G$1" pin="1"/>
+<wire x1="-99.06" y1="-22.86" x2="-99.06" y2="-33.02" width="0.1524" layer="91"/>
+<junction x="-99.06" y="-33.02"/>
+</segment>
+</net>
 </nets>
 </sheet>
 </sheets>