This part is a kind of semiconductor called TDA7384A.

Function of this product has 4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIER.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

® TDA7384A 4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIER HIGH OUTPUT POWER CAPABILITY: 4 x 40W/4Ω MAX. 4 x 35W/4Ω EIAJ 4 x 25W/4Ω @ 14.4V, 1KHz, 10% 4 x 22W/4Ω @ 13.2V, 1KHz, 10% LOW DISTORTION LOW OUTPUT NOISE ST-BY FUNCTION MUTE FUNCTION AUTOMUTE AT MIN. SUPPLY VOLTAGE DETECTION LOW EXTERNAL COMPONENT COUNT: – INTERNALLY FIXED GAIN (26dB) – NO EXTERNAL COMPENSATION – NO BOOTSTRAP CAPACITORS PROTECTIONS: OUTPUT SHORT CIRCUIT TO GND, TO VS, ACROSS THE LOAD VERY INDUCTIVE LOADS OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER LOAD DUMP VOLTAGE BLOCK AND APPLICATION DIAGRAM Vcc1 Vcc2 FLEXIWATT25 ORDERING NUMBER: TDA7384A FORTUITOUS OPEN GND REVERSED BATTERY ESD DESCRIPTION The TDA7384A is a new technology class AB Audio Power Amplifier in Flexiwatt 25 package designed for h [ ... ]

TDA7384A PDF Datasheet Download