The BQ7540-7R from Bel Fuse is a DC to DC Converter with Input Voltage 14.4 to 36 V, Output Voltage 1 15 V, Output Current 1 7400 mA, Output Power 120 mW, Output Voltage 2 15 V. Tags: Chassis Mount, Buck-Boost. More details for BQ7540-7R can be seen below.