
MEP EP#302: A 1 Dollar Chips Matter
Bor
Description
<h4><a href="https://macrofab.com/blog/mep-ep302-a-1-dollar-chips-matter/">MEP EP#302: A 1 Dollar Chips Matter</a><br></h4><h4>Announcements</h4> <p>Thanks for everyone that donated and stopped by the live stream! We where able to raise over $5000 for the Texas Children Hospital Network!</p> <h4>Molex 217175-0001</h4> <ul> <li>Tasty Type-C connector</li> <li>No data pins?</li> <li>Only power and the CC pins for doing the Power Delivery handshake</li> <li><a href="https://www.molex.com/pdm_docs/sd/2171750001_sd.pdf" target="_blank" rel="noopener">Datasheet</a></li> </ul> <h4>Non FCC switcher?</h4> <ul> <li><a href="https://www.mouser.com/ProductDetail/Renesas-Intersil/ICL7660CBAZA-T?qs=9fLuogzTs8IgQwA5x5QxYQ%3D%3D" target="_blank" rel="noopener">ICL7660CBAZA-T</a> Super Voltage Converters</li> <li>Power Rail Flipper/Inverter</li> <li>Charge pump voltage “flipper” uses only two capacitors</li> <li>At an input voltage of 5V and an unloaded oscillator pin the switching frequency is 10khz</li> <li>Reducing to less than 9khz only takes one capacitor</li> <li>Price <ul> <li>Singles: $1.82</li> <li>Bulk: $1</li> </ul> </li> </ul> <h4>SMT Bench Equipment for Soldering</h4> <ul> <li>X-tronic 440 died now I need to replace!</li> <li>Soldering Iron <ul> <li>Thermaltronics TMT-2000S-SM</li> <li>Tips <ul> <li>S75LR018A</li> <li>S75DS045</li> </ul> </li> </ul> </li> <li>Hot Air <ul> <li>Quick 957DW+</li> </ul> </li> <li>Microscope <ul> <li>AmScope SM series</li> <li>Get a 0.5x Barlow lens</li> </ul> </li> <li>Tweezer set <ul> <li>Non magnetic stainless steel is what you want</li> <li>ESD?</li> <li>Aven is a good brand</li> </ul> </li> <li>Snips/flush cutters <ul> <li>Hakko CHP-170 are king</li> </ul> </li> </ul>