Intersil ISL39200C

Overview
Intersil ISL39200C reference design

The Intersil logo, "SL39200C", and "REV B" is silkscreened on the board in the FCC photos.
 * A label affixed to the back of the board reads, "ISL39200C-EVAL REV. B3", "0030b4013007", "V03290039", and "S/B 1 2 3 4 5 6 7 8 9"

Likely 00:30:B4 (Intersil) OUI (on the FCC board label)