Investigation: Two Similar Dual Display Digital Buck PSUs

How similar are these two dual-display digitally controlled DC/DC power supplies? Are they manufactured in the same factory? Were they designed by the same engineer?

All the data sheets: http://www.xlsemi.com/datasheet/XL4005%20datasheet.pdf http://www.onsemi.com/pub_link/Collateral/2SJ652-D.PDF http://rohmfs.rohm.com/en/products/databook/datasheet/discrete/diode/schottky_barrier/rb085t-90.pdf http://www.st.com/content/ccc/resource/technical/document/datasheet/21/5a/57/8b/f4/49/4a/12/DM00037613.pdf/files/DM00037613.pdf/jcr:content/translations/en.DM00037613.pdf http://www.st.com/content/ccc/resource/technical/document/datasheet/dd/87/fd/2a/fb/3f/48/5c/CD00251732.pdf/files/CD00251732.pdf/jcr:content/translations/en.CD00251732.pdf https://en.wikipedia.org/wiki/ARM_Cortex-M http://www.xlsemi.com/datasheet/XL7005A%20datasheet-English.pdf http://hfdx.at.ua/_fr/7/SDB628.pdf http://www.onsemi.com/pub_link/Collateral/LM358-D.PDF https://www.google.co.uk/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=mcp6002 http://www.ti.com/lit/ds/symlink/lm321.pdf http://www.droking.com/ ... https://www.youtube.com/watch?v=lihGofaP3mM