IC 10-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40, 6 X 6 MM, MO-220VJJD-2, LFCSP-40, Power Management Circuit
IC SWITCHED CAPACITOR REGULATOR, 140 kHz SWITCHING FREQ-MAX, QCC20, 4 X 4 MM, MO-220VGGD-1, LFCSP-20, Switching Regulator or Controller

EMI/EMC Compliant, ±15kV Protected, RS-232 230 kBPS Transceiver with 4 Drivers & 4 Receivers