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Added documentation for boost

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Stephen
2021-04-06 20:46:33 -04:00
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<div class="textblock"><h1><a class="anchor" id="autotoc_md15"></a>
Boost</h1>
<h2><a class="anchor" id="autotoc_md16"></a>
LTSpice Simulations</h2>
<ul>
<li>The LTSpice circuit includes input and output resistors for input and output power calculations</li>
<li>An RC circuit can be added at the input for time-delay for output capacitor charging</li>
<li>Output power = (16V)(2A(max))=32 Watts</li>
<li>Input power = (12V)(Max FET current). Max FET current should be 2-3x the desired output current</li>
<li>Rsense = Vsense(min)/IL(max). Vsense is given in LT1619 Datasheet: 40mV(min). For IL, we are using max FET current<ul>
<li>For Rsense, a smaller R value gives less output ripple voltage in simulation.</li>
<li>Rsense is basically setting the current through the FET</li>
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</li>
<li>Voltage divider equation can be found in datasheet for LT1619</li>
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<h2><a class="anchor" id="autotoc_md17"></a>
Altium</h2>
<ul>
<li>Inductor is 10uH MSS1210-103MEB. Dr. Bazuin suggested its use as Sunseeker has lots of them</li>
<li>Replaced the SI9804DY FET (used in LTSpice) with the FDS6680A as the SI is obsolete</li>
<li>Replaced the MBR735 Schottky (used in LTSpice) with the MBRD835LT4G because 735 is not surface mount</li>
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<h1><a class="anchor" id="autotoc_md18"></a>
Buck</h1>
<p><em>asd</em></p>
<p><b>asd</b> </p>
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