This part is a kind of semiconductor called IR21094PBF.

Function of this product has HALF-BRIDGE DRIVER.

Manufacturers : International Rectifier

Image and pinout :

Some of the text within the PDF file :

Data Sheet No. PD60163-U IR2109(4) (S) & (PbF) Features • Floating channel designed for bootstrap operation Fully operational to +600V Tolerant to negative transient voltage dV/dt immune • Gate drive supply range from 10 to 20V • Undervoltage lockout for both channels • 3.3V, 5V and 15V input logic compatible • Cross-conduction prevention logic • Matched propagation delay for both channels • High side output in phase with IN input • Logic and power ground +/- 5V offset. • Internal 540ns dead-time, and programmable up to 5us with one external RDT resistor (IR21094) • Lower di/dt gate driver for better noise immunity • Shut down input turns off both channels. • Available in Lead-Free HALF-BRIDGE DRIVER Product Summary VOFFSET 600V max. IO+/- 120 mA / 250 mA V [ ... ]

IR21094PBF PDF Datasheet Download