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<!--This file was written by TinyCAD Version 2.80.02 Build #462 Production Release
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<TinyCADSheets>
	<TinyCAD>
		<NAME>Sheet 1</NAME>
		<DETAILS>
			<Size width='2250' height='1350'/>
			<GUIDES horiz='7' vert='5'/>
			<TITLE></TITLE>
			<AUTHOR></AUTHOR>
			<REVISION>1.0</REVISION>
			<DOCNUMBER></DOCNUMBER>
			<ORGANISATION></ORGANISATION>
			<SHEETS>1 of 1</SHEETS>
			<SHOWS>1</SHOWS>
			<DATE></DATE>
			<GRID spacing='100.00000' snap='1'/>
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		<FONT id='0'>
			<HEIGHT>-13</HEIGHT>
			<WIDTH>6</WIDTH>
			<WEIGHT>400</WEIGHT>
			<ITALIC>0</ITALIC>
			<UNDERLINE>0</UNDERLINE>
			<STRIKEOUT>0</STRIKEOUT>
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			<STRIKEOUT>0</STRIKEOUT>
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			<STRIKEOUT>0</STRIKEOUT>
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			<FACENAME>Arial</FACENAME>
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			<WEIGHT>400</WEIGHT>
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			<STRIKEOUT>0</STRIKEOUT>
			<CHARSET>0</CHARSET>
			<FACENAME>Arial</FACENAME>
		</FONT>
		<FONT id='5'>
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			<WEIGHT>400</WEIGHT>
			<ITALIC>0</ITALIC>
			<UNDERLINE>0</UNDERLINE>
			<STRIKEOUT>0</STRIKEOUT>
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			<WEIGHT>400</WEIGHT>
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			<WEIGHT>400</WEIGHT>
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			<STRIKEOUT>0</STRIKEOUT>
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			<FACENAME>Arial</FACENAME>
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			<THICKNESS>1</THICKNESS>
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			<THICKNESS>1</THICKNESS>
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			<STYLE>3</STYLE>
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			<THICKNESS>1</THICKNESS>
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			<STYLE>1</STYLE>
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			<NAME type='0'>RESISTOR</NAME>
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			<DESCRIPTION>Resistor</DESCRIPTION>
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			<NAME type='0'>CAP 2</NAME>
			<REF type='0'>C?</REF>
			<DESCRIPTION>very small CAP</DESCRIPTION>
			<PPP>1</PPP>
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				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
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			<FIELD>
				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
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			<FIELD>
				<NAME>Package</NAME>
				<DEFAULT>package name for PCB layout</DEFAULT>
				<FT>000001</FT>
				<VALUE></VALUE>
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			<NAME type='0'>CAP (Elko)</NAME>
			<REF type='0'>C?</REF>
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				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
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			<FIELD>
				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
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				<VALUE></VALUE>
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			<FIELD>
				<NAME>Package</NAME>
				<DEFAULT>package name for PCB layout</DEFAULT>
				<FT>000001</FT>
				<VALUE></VALUE>
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		</SYMBOLDEF>
		<SYMBOLDEF id='5'>
			<NAME type='0'>BSN20</NAME>
			<REF type='0'>T?</REF>
			<DESCRIPTION>generic N-Mosfet</DESCRIPTION>
			<PPP>1</PPP>
			<FIELD>
				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
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			<FIELD>
				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
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			<FIELD>
				<NAME>Package</NAME>
				<DEFAULT>package name for PCB layout</DEFAULT>
				<FT>000001</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
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			<TinyCAD>
				<PIN pos='101.40000,63.60000' which='0' elec='5' direction='0' part='0' number='3' show='1' length='10' number_pos='0' centre_name='1'>S</PIN>
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				<WIRE style='0' a='101.50897,55.61793' b='99.49103,55.61793'/>
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				<WIRE style='2' a='98.41793,61.61793' b='97.40000,61.58207'/>
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		</SYMBOLDEF>
		<SYMBOLDEF id='6'>
			<NAME type='0'>BSS84P</NAME>
			<REF type='0'>T?</REF>
			<DESCRIPTION>generic P-MOSFET</DESCRIPTION>
			<PPP>1</PPP>
			<FIELD>
				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
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			<FIELD>
				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
			</FIELD>
			<FIELD>
				<NAME>Package</NAME>
				<DEFAULT>package name for PCB layout</DEFAULT>
				<FT>000001</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
			</FIELD>
			<REF_POINT power='0' part='0' pos='123.40000,75.00000'/>
			<TinyCAD>
				<PIN pos='117.40000,65.00000' which='0' elec='5' direction='1' part='0' number='3' show='1' length='10' number_pos='0' centre_name='1'>S</PIN>
				<PIN pos='117.40000,75.00000' which='0' elec='5' direction='0' part='0' number='2' show='1' length='10' number_pos='0' centre_name='1'>D</PIN>
				<PIN pos='123.40000,67.00000' which='0' elec='0' direction='2' part='0' number='1' show='1' length='10' number_pos='0' centre_name='1'>G</PIN>
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				<TEXT pos='110.16000,70.96000' direction='3' font='5' color='000000'>P-MOS</TEXT>
			</TinyCAD>
		</SYMBOLDEF>
		<SYMBOLDEF id='7'>
			<NAME type='0'>CONTACT-IN</NAME>
			<REF type='0'>C?</REF>
			<DESCRIPTION>Contact in</DESCRIPTION>
			<PPP>1</PPP>
			<REF_POINT power='0' part='0' pos='25.00000,23.00000'/>
			<TinyCAD>
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				<POLYGON pos='20.00000,20.00000' style='5' fill='0'>
					<POINT pos='2.00000,0.00000' arc='0'/>
					<POINT pos='0.00000,2.00000' arc='0'/>
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				<PIN pos='25.00000,21.00000' which='0' elec='4' direction='2' part='0' number='1' show='0' length='10' number_pos='0' centre_name='0'></PIN>
			</TinyCAD>
		</SYMBOLDEF>
		<SYMBOLDEF id='8'>
			<NAME type='0'>SCHOTTKY</NAME>
			<REF type='0'>D?</REF>
			<DESCRIPTION>Schotty Diode</DESCRIPTION>
			<PPP>1</PPP>
			<REF_POINT power='0' part='0' pos='52.00000,46.00000'/>
			<TinyCAD>
				<PIN pos='48.00000,46.00000' which='0' elec='4' direction='0' part='0' number='1' show='0' length='30' number_pos='0' centre_name='0'></PIN>
				<PIN pos='48.00000,30.00000' which='0' elec='4' direction='1' part='0' number='2' show='0' length='30' number_pos='0' centre_name='0'></PIN>
				<POLYGON pos='44.00000,36.00000' style='5' fill='0'>
					<POINT pos='0.00000,0.00000' arc='0'/>
					<POINT pos='8.00000,0.00000' arc='0'/>
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					<POINT pos='1.00000,0.00000' arc='0'/>
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				<POLYGON pos='51.00000,35.00000' style='5' fill='0'>
					<POINT pos='1.00000,0.00000' arc='0'/>
					<POINT pos='0.00000,0.00000' arc='0'/>
				</POLYGON>
			</TinyCAD>
		</SYMBOLDEF>
		<SYMBOLDEF id='9'>
			<NAME type='0'>BAT54S</NAME>
			<REF type='0'>D?</REF>
			<DESCRIPTION>Doppeldiode Schottky BAT54-S</DESCRIPTION>
			<PPP>1</PPP>
			<FIELD>
				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
			</FIELD>
			<FIELD>
				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
				<DEFAULT>5</DEFAULT>
				<FT>000002</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
			</FIELD>
			<FIELD>
				<NAME>Package</NAME>
				<DEFAULT>package name for PCB layout</DEFAULT>
				<FT>000001</FT>
				<VALUE></VALUE>
				<POS>1.00000,1.00000</POS>
			</FIELD>
			<REF_POINT power='0' part='0' pos='82.00000,60.00000'/>
			<TinyCAD>
				<PIN pos='76.00000,40.00000' which='0' elec='4' direction='1' part='0' number='1' show='0' length='20' number_pos='0' centre_name='0'></PIN>
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			<NAME type='0'>40098  6-Tristate-Driver</NAME>
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		<LABEL pos='268.00000,128.00000' direction='2' font='3' color='208000' style='0'>+3V /+9V positive Hilfsspannung</LABEL>
		<LABEL pos='270.00000,108.00000' direction='2' font='3' color='208000' style='0'>+0,4 / -4V negative Hilfsspannung</LABEL>
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		<WIRE a='350.00000,184.00000' b='350.00000,178.00000'/>
		<WIRE a='336.00000,184.00000' b='362.00000,184.00000'/>
		<WIRE a='362.00000,184.00000' b='362.00000,172.00000'/>
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		<WIRE a='330.00000,232.00000' b='330.00000,238.00000'/>
		<WIRE a='330.00000,218.00000' b='330.00000,212.00000'/>
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		<LABEL pos='348.00000,252.00000' direction='3' font='3' color='208000' style='0'>+0,4 / -4V negative Hilfsspannung</LABEL>
		<LABEL pos='170.00000,162.00000' direction='2' font='3' color='208000' style='0'>+3V /+9V positive Hilfsspannung</LABEL>
		<JUNCTION pos='50.00000,202.00000'/>
		<WIRE a='349.72000,225.00000' b='350.00000,225.00000'/>
		<WIRE a='350.00000,225.00000' b='350.00000,184.00000'/>
		<WIRE a='349.72000,243.00000' b='350.00000,243.00000'/>
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		<TEXT pos='8.00000,48.00000' direction='3' font='0' color='000000'>Dieser Widerstand 5k6 ist nur erforderlich, wenn das Enable an den 5V Peripherie-Ausgang der Zentralplatine Version1  </TEXT>
		<TEXT pos='8.00000,52.00000' direction='3' font='0' color='000000'>angeschlossen wird, um den Ausgangselko in akzeptabler Zeit zu leeren. Direkt am Controller-Port nur ein Stromfresser.</TEXT>
		<TEXT pos='28.00000,74.00000' direction='3' font='0' color='000000'>bzw. 1MOhm</TEXT>
		<WIRE a='14.00000,88.00000' b='44.00000,88.00000'/>
		<WIRE a='18.00000,92.00000' b='18.00000,88.00000'/>
		<JUNCTION pos='18.00000,88.00000'/>
		<WIRE a='32.00000,106.00000' b='32.00000,88.00000'/>
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		<TEXT pos='2.00000,82.00000' direction='3' font='0' color='000000'>+3 - 5V in ca 3A max  (großer LION-Akku)</TEXT>
		<TEXT pos='2.00000,86.00000' direction='3' font='0' color='000000'>Ruhestrom 4mA shutdown 1uA</TEXT>
		<LABEL pos='28.00000,56.00000' direction='3' font='3' color='208000' style='0'>100uA  / 0uA</LABEL>
		<LABEL pos='74.00000,150.00000' direction='3' font='3' color='208000' style='0'>+0,4 / -4V negative Hilfsspannung</LABEL>
		<TEXT pos='84.00000,108.00000' direction='3' font='11' color='000000'>(Gateschaltung)</TEXT>
		<LABEL pos='64.00000,232.00000' direction='3' font='3' color='208000' style='0'>(Feedback trip point 1,25V)</LABEL>
		<TEXT pos='16.00000,192.00000' direction='3' font='11' color='000000'>Strombegrenzungs-Einstell-Widerstand</TEXT>
		<TEXT pos='16.00000,194.00000' direction='3' font='11' color='000000'>ca 17cm CUL 0,3aufwickeln tuts auch.</TEXT>
		<TEXT pos='18.00000,196.00000' direction='3' font='11' color='000000'>falls nichts besseres verfügbar.</TEXT>
		<LABEL pos='110.00000,178.00000' direction='3' font='3' color='208000' style='0'>ca 100-200 kHz</LABEL>
		<TEXT pos='124.00000,210.00000' direction='3' font='11' color='000000'>470p für ca 100kHz</TEXT>
		<TEXT pos='154.00000,228.00000' direction='3' font='11' color='000000'>C-MOS Logik Treiber als MOSFET-Gate-Treiber &quot;missbraucht&quot;</TEXT>
		<TEXT pos='206.00000,212.00000' direction='3' font='11' color='000000'>Sicherheitsschaltung:MOSFET- shut down bei längerem Impulsausfall</TEXT>
		<TEXT pos='104.00000,252.00000' direction='3' font='12' color='000000'>Hinweis: Die beiden SO-8 Power-MOSFETs müssen mit ihren Drains an größere Kupferflächen gelötet werden.</TEXT>
		<TEXT pos='104.00000,258.00000' direction='3' font='12' color='000000'>um etwas Kühlung zu gewährleisten. Trotz Ansteuerung mit den höheren Hilfsspannungen wird dort noch Leistung</TEXT>
		<TEXT pos='104.00000,264.00000' direction='3' font='12' color='000000'>in Wärme umgesetzt. eventuell gleich etwas stärkere Typen wählen. Aber nicht übertreiben wegen der  Gate-Kapazität.</TEXT>
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			<FIELD type='0' description='Ref' value='U?' show='1' pos='1.00000,-47.60000'/>
			<FIELD type='0' description='Name' value='40098  6-Tristate-Driver' show='1' pos='1.00000,-50.00000'/>
			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
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		<SYMBOL id='3' pos='306.00000,172.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
			<FIELD type='0' description='Ref' value='C?' show='1' pos='-3.00000,-13.60000'/>
			<FIELD type='0' description='Name' value='1000u/6,3V L-ESR' show='1' pos='-5.00000,-8.00000'/>
			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
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		<TEXT pos='390.00000,176.00000' direction='3' font='13' color='000000'>5,5V OUT   1,2A</TEXT>
		<TEXT pos='390.00000,178.00000' direction='3' font='0' color='000000'>(9W Eingangsleistung vorausgesetzt)</TEXT>
		<TEXT pos='90.00000,66.00000' direction='3' font='0' color='000000'>Hardware Version 1 beabsichtigte ursprünglich, die Servos direkt aus dem LM2703 Wandler auf der Hauptplatine zu betreiben.</TEXT>
		<TEXT pos='90.00000,70.00000' direction='3' font='0' color='000000'>es hat sich jedoch herausgestellt, dass dieser Wandler zu schwach ist und höchstens 1 Servo versorgen kann, falls überhaupt..</TEXT>
		<TEXT pos='90.00000,74.00000' direction='3' font='0' color='000000'>deshalb wurde die Ausgangsspannung der Zentralplatine als enable - Steurersignal für  diesen zusätzlichen Wandler eingesetzt.</TEXT>
		<TEXT pos='90.00000,78.00000' direction='3' font='0' color='000000'>Der Power-Eingang dieser Platine kommt dann direkt an den Akku der Hauptplatin.</TEXT>
		<TEXT pos='90.00000,82.00000' direction='3' font='0' color='000000'>deshalb darf er im Standby keinen Strom verbrauchen (true disconnnect)</TEXT>
		<TEXT pos='90.00000,86.00000' direction='3' font='0' color='000000'>Versuche mit dem IC TPS 61030 haben zwar sagenhafte Wirkungsgrade ergeben, und geringeren Bauteilaufwand,</TEXT>
		<TEXT pos='90.00000,90.00000' direction='3' font='0' color='000000'>Das IC ist aber nicht kurzschlussfest und auch sonst sehr empfindlich und damit für diese Schaltung nicht geeignet.</TEXT>
		<TEXT pos='90.00000,60.00000' direction='3' font='15' color='000000'>Erläuterung:</TEXT>
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