Part identification

[pottenenir]

Hello Engineers…

Help me to find out following IC part number with part marking on component

1. VJ (6 pins) - WQFN PACAGE STYLE
2. RF (6 pins)- WQFN PACAGE STYLE
3. LC (6 pins)- WQFN PACAGE STYLE
4. CBAH (5 pins)- SOT23 PACAGE

[Nathan_2268]

@pottenenir

Would you have images of each?
Any description of what these items do?