I'm interested in designing a boost converter using the TPS61021A chip from TI.
Data sheet: http://www.ti.com/lit/ds/symlink/tps61021a.pdf
Originally, I wanted to build a Manhattan type dead bug prototype circuit by following the example circuit on page 12. I bought components off Mouser by going by the guidelines given in page 13-14.
For the inductor, I bought the exact Coilcraft inductor specified in the datasheet so there is no problem. But when it comes to capacitors and resistors, I calculated the values I need, but there are different types/power rating/mount type, and I don't think I bought the most suitable ones. Here are the ones I bought, along with labels corresponding to the components in the circuit on page 12:
A few issues:
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R2: Notice how big R2 is. I believe this is because I bought one with too high of a power rating. This is definitely not suitable.
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R1: This looks like a typical resistor. Notice how it says "metal film" while R2 says "metal oxide." For my application, does it matter what type of resistor to use?
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Capacitors: I believe I got X7R ceramic caps for all. Do you see any problems with the capacitors? There are no problems with the values. I also believe I took into account of capacitance derating under dc bias voltage. Notice the high voltage value for the capacitors on the bag.
Anyway, those were purchased a month ago. Then I realized it's hard to make a dead bug style circuit since the IC chip in question is of the WSON package which is way too small for me to work with. I plan to make a PCB prototype. Are there places where I can send in the components and an Eagle file and they can prototype cheaply and quickly?
Thanks