ATmega4809 http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-4809-Data-Sheet-DS40002173A.pdf MT8816 https://www.futurlec.com/Datasheet/Zarlink/MT8816AE.pdf TL7660 https://www.ti.com/lit/ds/symlink/tl7660.pdf LT1054 https://www.ti.com/lit/ds/symlink/lt1054.pdf MCP4728 http://ww1.microchip.com/downloads/en/devicedoc/22187e.pdf L272D https://www.st.com/resource/en/datasheet/l272.pdf MCP4661 https://ww1.microchip.com/downloads/en/DeviceDoc/22107B.pdf MCP2221A http://ww1.microchip.com/downloads/en/devicedoc/20005565b.pdf LSM115J (Ultra low forward drop Schottky diode) https://media.digikey.com/pdf/Data%20Sheets/Microsemi%20PDFs/LSM115J.pdf