https://okspare.com/products/rt8239c-rt8239cgqw-jd-marking-jdic
RT8239C RT8239CGQW JD= Marking JD=IC
The RT8239C RT8239CGQW JD= Marking JD=IC is a dual step down, SMPS controller which generates logic supply voltages for battery powered systems
jdmarkingic