MEP EP#256: Color Clashing Chip Consolidation

<h4><a href="https://macrofab.com/blog/mep-ep256-color-clashing-chip-consolidation">MEP EP#256: Color Clashing Chip Consolidation</a><br></h4><h4>Parker</h4> <ul> <li aria-level="1">Whats up with the Cat feeder unreminder? <ul> <li aria-level="2">Still waiting on components to test with</li> <li aria-level="2">PinoTaur taking priority</li> <li aria-level="2">Email PDFs of wiring harnesses</li> </ul> </li> <li aria-level="1">Jeep Fan Project Revisit <ul> <li aria-level="2">Jeep Fan was a project idea to take sensor input from all over the Jeep and display on a VFD</li> <li aria-level="2">Universal Multi Gauge exist but kinda suck</li> <li aria-level="2">Rear view mirror has a screen in it <ul> <li aria-level="3">Composite video?</li> </ul> </li> </ul> </li> </ul> <h4>Stephen</h4> <ul> <li aria-level="1">Negative in negative out SMPS <ul> <li aria-level="2">Help from PhilG and Tom Anderson from the slack channel</li> <li aria-level="2">Need -5.5V that is derived from a -12V rail</li> <li aria-level="2">Cannot derive from a positive rail (would be easy)</li> <li aria-level="2">LTC3805</li> <li aria-level="2"><a href="https://www.analog.com/media/en/reference-design-documentation/design-notes/dn1022f.pdf" target="_blank" rel="noopener">Design note 1022</a> <ul> <li aria-level="3">Perhaps something is weird here. There were two app notes… now there are one…</li> <li aria-level="3">Current mirror solution for feedback voltage</li> </ul> </li> <li aria-level="2">LT8302 is like 4 or 5 bucks in qty</li> <li aria-level="2">LT1070</li> </ul> </li> <li aria-level="1">Cool Chip - SSI2130 <ul> <li aria-level="2">VCO core in a package</li> <li aria-level="2">Linear through zero</li> </ul> </li> </ul>