The TDM22544DXUMA1 from Infineon Technologies is a DC to DC Converter with Input Voltage 4.25 to 16 V, Output Voltage 1 0.225 to 3 V, Output Current 1 160 A, Operating Temperature -40 to 125 Degree C. Tags: Surface Mount, Buck/Step down. More details for TDM22544DXUMA1 can be seen below.