The BQ27Z561YPHT from Texas Instruments is a battery fuel gauge Integrated Circuit for lithium-ion/polymer batteries (1C) in a 12-DSBGA package (1.68x2.05).
The TGL34-30C from Diotec Semiconductor is a surface-mount DO-213AA (MINI-MELF) TVS diode with a 24.3 V working voltage, a 43.5 V clamp and 3.4 A peak pulse current.