This part is a kind of semiconductor called STP04CM05.

Function of this product has 4-bit constant current power-LED sink driver.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STP04CM05 4-bit constant current power-LED sink driver Features ■ ■ ■ 4 constant current output channels Adjustable output current through one external resistor Can be driven by a 3.3 V microcontroller IN/parallel data OUT Dip-14 SO-14 ■ Serial data ■ ■ ■ ■ ■ ■ ■ ■ Output current: 80-400 mA 20 V of output driving capability 30 MHz clock frequency UVLO (under voltage lockout) and POR (power ON reset) TSD, thermal shutdown, output off when junction temperature exceeds limit Operating free-air temperature range -40 to 125 ºC ESD protection 2.5 kV HBM, 200 V MM Available in high thermal TSSOP exposed pad. The STP04CM05 guarantees 20 V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 30 MHz, also [ ... ]

STP04CM05 PDF Datasheet Download