Real Time Clock (RTC) IC Portable System Controller 3-Wire Serial 20-TSSOP (0.173", 4.40mm Width)..
Buck-Boost Switching Regulator IC Negative Fixed -5V 1 Output 275mA 8-SOIC (0.154", 3.90mm Width)..
Buck Switching Regulator IC Positive Adjustable 0.7V 1 Output 25A 40-WFQFN Exposed Pad..