STMicroelectronics E-TDA7379

Description

The TDA7375AV is a technology class AB car radio amplifier able to work either in dual bridge or quad single ended configuration.
The exclusive fully complementary structure of the output stage and the internally fixed gain guarantee the highest possible power performances with extremely reduced component count.
The on-board clip detector simplifies gain
compression operation. The fault diagnostics makes it possible to detect mistakes during car radio set assembly and wiring in the car.

Features

■ High output power capability
– 2 x 43 W max./4 Ω
– 2 x 37 W/4 Ω EIAJ
– 2 x 26 W/4 Ω @14.4 V, 1 kHz, 10 %
– 4 x 7 W/4 Ω @14.4 V, 1 kHz, 10 %
– 4 x 12 W/2 Ω @14.4 V, 1 kHz, 10 %
■ Minimum external components count:
– No bootstrap capacitors
– No Boucherot cells
– Internally fixed gain (26 dB BTL)
– Standby function (CMOS compatible)
■ No audible pop during standby operations
■ Diagnostics facility for:
– Clipping
– Out to GND short
– Out to VS short
– Soft short at turn-on
– Thermal shutdown proximity
■ Protections:
– Output AC/DC short circuit: to GND, to VS and across the load
– Soft short at turn-on
– Overrating chip temperature with soft thermal limiter
– Load dump voltage surge
– Very inductive loads
– Fortuitous open GND
– Reversed battery
– ESD