This part is a kind of semiconductor called BA5888.

Function of this product has 5-Channel BTL Driver.

Manufacturers : SL

Image and pinout :

Some of the text within the PDF file :

5-CH BTL DRIVER FOR DVD PLAYER WITH DISC BIDIRECTIONAL DRIVER AND TWO VARIABLE REGULATORS DESCRIPTION The SA5888 is a five-channel BTL driver IC for driving the motors and actuators in products such as CD - ROM / DVD drivers. It is also build-in two independent precision voltage regulators with adjustable range from 1.5V to 4V and one channel bi-direction DC motor driver for tray. FEATURES * Wide dynamic range (4.0V (Typ.) when VCC = 8V, PVCC =5V, and RL = 8 ). * Level shift circuit on chip. * Thermal shutdown circuit on chip. * Mute mode built-in. * Two regulator controllers built-in. * Five drivers build-in: dual actuator drivers, sled motor driver, spindle driver and tray in-out driver. * CD * CD-ROM * DVD HSOP-28-375-0.8 APPLICATIONS ORDERING INFORMATION Part No. SA5888 SA5888TR SA [ ... ]

BA5888 PDF Datasheet Download