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If the PCB layout matters, then that could be part of the building block? Like "if you need this bit, it will take X by Y footprint. here's various circuits tha
by AYBABTME 3y ago
If the PCB layout matters, then that could be part of the building block? Like "if you need this bit, it will take X by Y footprint. here's various circuits that do $JOB within $PARAMS".
- aaronmdjones 3y agoTI's WEBENCH interface is like this. You tell it what type of converter you need (DC/DC or AC/DC), the desired characteristics (input voltage range, output voltage, output current, EMI filtering, isolated output, ambient temperature, etc), tell it what you want to optimise for (efficiency, cost, footprint area), and it will give you everything it can that fulfills those criteria (including schematics and bill of materials), allowing you to then sort the results by e.g. consumed board area, component count, features (enable inputs, automotive qualifications, ...). What it can't do is tell you how to lay out the board to get the result you want. The switching IC datasheets typically have layout examples, and these are sometimes complete nonsense. https://www.youtube.com/watch?v=ZYUYOXmo9UU https://www.youtube.com/watch?v=ZYUYOXmo9UU
- 15155 3y agoWhat? WEBENCH absolutely recommends a layout and provides photos (these photos are regenerated when alternate passives, etc. are selected as well), as do most of the datasheets for most TI DC-DC converter parts. As mentioned - most manufacturers have recommended layouts and written layout recommendations: keep your loop small, route things this way, put a via here. If they don't, learn from the recommendations from TI's excellent documentation. This isn't that hard.